From 498b3d9a4ebb546c12a37c84efbdc863b2ea2aa1 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Fri, 2 Jan 2026 18:33:14 +0530
Subject: [PATCH 01/23] mean package core implemented

---
 .../stats/base/dists/wald/mean/binding.gyp    | 170 ++++++++++++++++++
 .../stats/base/dists/wald/mean/include.gypi   |  53 ++++++
 .../stdlib/stats/base/dists/wald/mean.h       |  38 ++++
 .../stats/base/dists/wald/mean/lib/index.js   |  43 +++++
 .../stats/base/dists/wald/mean/lib/main.js    |  74 ++++++++
 .../stats/base/dists/wald/mean/lib/native.js  |  67 +++++++
 .../stats/base/dists/wald/mean/manifest.json  |  76 ++++++++
 .../stats/base/dists/wald/mean/package.json   |  72 ++++++++
 .../stats/base/dists/wald/mean/src/Makefile   |  70 ++++++++
 .../stats/base/dists/wald/mean/src/addon.c    |  23 +++
 .../stats/base/dists/wald/mean/src/main.c     |  43 +++++
 11 files changed, 729 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/binding.gyp
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/include.gypi
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/manifest.json
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/package.json
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/Makefile
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/binding.gyp
new file mode 100644
index 000000000000..f343843f5bd2
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/binding.gyp
@@ -0,0 +1,170 @@
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A `.gyp` file for building a Node.js native add-on.
+#
+# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md
+# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md
+{
+  # List of files to include in this file:
+  'includes': [
+    './include.gypi',
+  ],
+
+  # Define variables to be used throughout the configuration for all targets:
+  'variables': {
+    # Target name should match the add-on export name:
+    'addon_target_name%': 'addon',
+
+    # Set variables based on the host OS:
+    'conditions': [
+      [
+        'OS=="win"',
+        {
+          # Define the object file suffix:
+          'obj': 'obj',
+        },
+        {
+          # Define the object file suffix:
+          'obj': 'o',
+        }
+      ], # end condition (OS=="win")
+    ], # end conditions
+  }, # end variables
+
+  # Define compile targets:
+  'targets': [
+
+    # Target to generate an add-on:
+    {
+      # The target name should match the add-on export name:
+      'target_name': '<(addon_target_name)',
+
+      # Define dependencies:
+      'dependencies': [],
+
+      # Define directories which contain relevant include headers:
+      'include_dirs': [
+        # Local include directory:
+        '<@(include_dirs)',
+      ],
+
+      # List of source files:
+      'sources': [
+        '<@(src_files)',
+      ],
+
+      # Settings for the add-on:
+      'link_settings': {
+        # Define libraries:
+        'libraries': [
+          '<@(libraries)',
+        ],
+
+        # Define library directories:
+        'library_dirs': [
+          '<@(library_dirs)',
+        ],
+      },
+
+      # C flags:
+      'cflags': [
+        # Enable commonly used warning options:
+        '-Wall',
+
+        # Set optimization level:
+        '-O3',
+      ],
+
+      # C specific flags:
+      'cflags_c': [
+        # Specify the C standard to which a program is expected to conform:
+        '-std=c99',
+      ],
+
+      # C++ specific flags:
+      'cflags_cpp': [
+        # Specify the C++ standard to which a program is expected to conform:
+        '-std=c++11',
+      ],
+
+      # Linker flags:
+      'ldflags': [],
+
+      # Apply conditions based on the host OS:
+      'conditions': [
+        [
+          'OS=="mac"',
+          {
+            # Linker flags:
+            'ldflags': [
+              '-undefined dynamic_lookup',
+              '-Wl,-no-pie',
+              '-Wl,-search_paths_first',
+            ],
+          },
+        ], # end condition (OS=="mac")
+        [
+          'OS!="win"',
+          {
+            # C flags:
+            'cflags': [
+              # Generate position-independent code (PIC):
+              '-fPIC',
+            ],
+          },
+        ], # end condition (OS!="win")
+      ], # end conditions
+    }, # end target
+
+    # Target to copy the add-on to a standard location:
+    {
+      'target_name': 'copy_addon',
+
+      # Specify the target type:
+      'type': 'none',
+
+      # Define dependencies:
+      'dependencies': [
+        # Require that the add-on be built before moving to a standard location:
+        '<(addon_target_name)',
+      ],
+
+      # Define a list of actions:
+      'actions': [
+        {
+          'action_name': 'copy_addon',
+          'message': 'Copying addon...',
+
+          # Explicitly list the inputs in the command-line invocation below:
+          'inputs': [],
+
+          # Declare the expected outputs:
+          'outputs': [
+            '<(addon_output_dir)/<(addon_target_name).node',
+          ],
+
+          # Define the command-line invocation:
+          'action': [
+            'cp',
+            '<(PRODUCT_DIR)/<(addon_target_name).node',
+            '<(addon_output_dir)/<(addon_target_name).node',
+          ],
+        },
+      ], # end actions
+    }, # end target
+  ], # end targets
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include.gypi
new file mode 100644
index 000000000000..bee8d41a2caf
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include.gypi
@@ -0,0 +1,53 @@
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A GYP include file for building a Node.js native add-on.
+#
+# Main documentation:
+#
+# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md
+# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md
+{
+  # Define variables to be used throughout the configuration for all targets:
+  'variables': {
+    # Source directory:
+    'src_dir': './src',
+
+    # Include directories:
+    'include_dirs': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).include; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Add-on destination directory:
+    'addon_output_dir': './src',
+
+    # Source files:
+    'src_files': [
+      '<(src_dir)/addon.c',
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).src; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Library dependencies:
+    'libraries': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).libraries; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+
+    # Library directories:
+    'library_dirs': [
+      '<!@(node -e "var arr = require(\'@stdlib/utils/library-manifest\')(\'./manifest.json\',{},{\'basedir\':process.cwd(),\'paths\':\'posix\'}).libpath; for ( var i = 0; i < arr.length; i++ ) { console.log( arr[ i ] ); }")',
+    ],
+  }, # end variables
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h
new file mode 100644
index 000000000000..8519ccaa6b7e
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h
@@ -0,0 +1,38 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#ifndef STDLIB_STATS_BASE_DISTS_WALD_MEAN_H
+#define STDLIB_STATS_BASE_DISTS_WALD_MEAN_H
+
+/*
+* If C++, prevent name mangling so that the compiler emits a binary file having undecorated names, thus mirroring the behavior of a C compiler.
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+* Returns the expected value for a Wald distribution with mean `mu` and standard deviation `sigma`.
+*/
+double stdlib_base_dists_wald_mean( const double mu, const double sigma );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !STDLIB_STATS_BASE_DISTS_WALD_MEAN_H
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
new file mode 100644
index 000000000000..d4f9a1da64e6
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
@@ -0,0 +1,43 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+/**
+* Wald distribution expected value.
+*
+* @module @stdlib/stats/base/dists/wald/mean
+*
+* @example
+* var mean = require( '@stdlib/stats/base/dists/wald/mean' );
+*
+* var y = mean( 0.0, 1.0 );
+* // returns NaN
+*
+* y = mean( 4.0, 2.0 );
+* // returns 4.0
+*/
+
+// MODULES //
+
+var mean = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = mean;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
new file mode 100644
index 000000000000..ac6fb11b0531
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
@@ -0,0 +1,74 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+
+
+// MAIN //
+
+/**
+* Returns the expected value for a wald distribution with mean `mu` and standard deviation `sigma`.
+*
+* @param {PositiveNumber} mu - mean
+* @param {PositiveNumber} sigma - standard deviation
+* @returns {number} expected value
+*
+* @example
+* var y = mean( 0.0, 1.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 1.0, 0.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 5.0, 2.0 );
+* // returns 5.0
+*
+* @example
+* var y = mean( NaN, 1.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 0.0, NaN );
+* // returns NaN
+*
+* @example
+* var y = mean( 0.0, 0.0 );
+* // returns NaN
+*/
+function mean( mu, sigma ) {
+	if (
+		isnan( mu ) ||
+		isnan( sigma ) ||
+		sigma <= 0.0 ||
+        mu <= 0.0
+	) {
+		return NaN;
+	}
+	return mu;
+}
+
+
+// EXPORTS //
+
+module.exports = mean;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
new file mode 100644
index 000000000000..74ca00940d6c
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
@@ -0,0 +1,67 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var addon = require( './../src/addon.node' );
+
+
+// MAIN //
+
+/**
+* Evaluates the expected value for a Wald distribution with mean `mu` and standard deviation `sigma`.
+*
+* @private
+* @param {PositiveNumber} mu - mean
+* @param {PositiveNumber} sigma - standard deviation
+* @returns {number} expected value
+*
+* @example
+* var y = mean( 0.0, 1.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 1.0, 0.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 5.0, 2.0 );
+* // returns 5.0
+*
+* @example
+* var y = mean( NaN, 1.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 0.0, NaN );
+* // returns NaN
+*
+* @example
+* var y = mean( 0.0, 0.0 );
+* // returns NaN
+*/
+function mean( mu, sigma ) {
+    return addon( mu, sigma );
+}
+
+
+// EXPORTS //
+
+module.exports = mean;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/manifest.json b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/manifest.json
new file mode 100644
index 000000000000..db80b71a4aa4
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/manifest.json
@@ -0,0 +1,76 @@
+{
+  "options": {
+    "task": "build",
+    "wasm": false
+  },
+  "fields": [
+    {
+      "field": "src",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "include",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "libraries",
+      "resolve": false,
+      "relative": false
+    },
+    {
+      "field": "libpath",
+      "resolve": true,
+      "relative": false
+    }
+  ],
+  "confs": [
+    {
+      "task": "build",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/napi/binary",
+        "@stdlib/math/base/assert/is-nan"
+      ]
+    },
+    {
+      "task": "benchmark",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan"
+      ]
+    },
+    {
+      "task": "examples",
+      "wasm": false,
+      "src": [
+        "./src/main.c"
+      ],
+      "include": [
+        "./include"
+      ],
+      "libraries": [],
+      "libpath": [],
+      "dependencies": [
+        "@stdlib/math/base/assert/is-nan"
+      ]
+    }
+  ]
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/package.json b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/package.json
new file mode 100644
index 000000000000..e89db50489f6
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/package.json
@@ -0,0 +1,72 @@
+{
+  "name": "@stdlib/stats/base/dists/wald/mean",
+  "version": "0.0.0",
+  "description": "Wald distribution expected value.",
+  "license": "Apache-2.0",
+  "author": {
+    "name": "The Stdlib Authors",
+    "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+  },
+  "contributors": [
+    {
+      "name": "The Stdlib Authors",
+      "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+    }
+  ],
+  "main": "./lib",
+  "gypfile": true,
+  "directories": {
+    "benchmark": "./benchmark",
+    "doc": "./docs",
+    "example": "./examples",
+    "include": "./include",
+    "lib": "./lib",
+    "src": "./src",
+    "test": "./test"
+  },
+  "types": "./docs/types",
+  "scripts": {},
+  "homepage": "https://github.com/stdlib-js/stdlib",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/stdlib-js/stdlib.git"
+  },
+  "bugs": {
+    "url": "https://github.com/stdlib-js/stdlib/issues"
+  },
+  "dependencies": {},
+  "devDependencies": {},
+  "engines": {
+    "node": ">=0.10.0",
+    "npm": ">2.7.0"
+  },
+  "os": [
+    "aix",
+    "darwin",
+    "freebsd",
+    "linux",
+    "macos",
+    "openbsd",
+    "sunos",
+    "win32",
+    "windows"
+  ],
+  "keywords": [
+    "stdlib",
+    "stdmath",
+    "statistics",
+    "stats",
+    "distribution",
+    "dist",
+    "moments",
+    "wald",
+    "inverse gaussian",
+    "inverse-gaussian",
+    "continuous",
+    "mean",
+    "average",
+    "avg",
+    "expected",
+    "univariate"
+  ]
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/Makefile b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/Makefile
new file mode 100644
index 000000000000..2caf905cedbe
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/Makefile
@@ -0,0 +1,70 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+
+# RULES #
+
+#/
+# Removes generated files for building an add-on.
+#
+# @example
+# make clean-addon
+#/
+clean-addon:
+	$(QUIET) -rm -f *.o *.node
+
+.PHONY: clean-addon
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean: clean-addon
+
+.PHONY: clean
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c
new file mode 100644
index 000000000000..ecf68d4ba6e0
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c
@@ -0,0 +1,23 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/wald/mean.h"
+#include "stdlib/math/base/napi/binary.h"
+
+// cppcheck-suppress shadowFunction
+STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_dists_wald_mean )
\ No newline at end of file
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
new file mode 100644
index 000000000000..59a0c1f025ee
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
@@ -0,0 +1,43 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/wald/mean.h"
+#include "stdlib/math/base/assert/is_nan.h"
+
+/**
+* Returns the expected value for a Wald distribution with mean `mu` and standard deviation `sigma`.
+*
+* @param mu     mean
+* @param sigma  standard deviation
+* @return       expected value
+*
+* @example
+* double y = stdlib_base_dists_wald_mean( 0.0, 1.0 );
+* // returns NaN
+*/
+double stdlib_base_dists_wald_mean( const double mu, const double sigma ) {
+	if (
+		stdlib_base_is_nan( mu ) ||
+		stdlib_base_is_nan( sigma ) ||
+		sigma <= 0.0 ||
+        mu <= 0.0
+	) {
+		return 0.0/0.0; // NaN
+	}
+	return mu;
+}

From 21c98e85f3687a5e0f1ec51a0dc73aab91dc4df3 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Fri, 2 Jan 2026 18:51:01 +0530
Subject: [PATCH 02/23] fix: correct indentation to use tabs instead of spaces

---
 lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js | 2 +-
 .../@stdlib/stats/base/dists/wald/mean/lib/native.js            | 2 +-
 lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c | 2 +-
 lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c  | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
index ac6fb11b0531..cbbc6a55ac16 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
@@ -61,7 +61,7 @@ function mean( mu, sigma ) {
 		isnan( mu ) ||
 		isnan( sigma ) ||
 		sigma <= 0.0 ||
-        mu <= 0.0
+		mu <= 0.0
 	) {
 		return NaN;
 	}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
index 74ca00940d6c..0ab697000d15 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
@@ -58,7 +58,7 @@ var addon = require( './../src/addon.node' );
 * // returns NaN
 */
 function mean( mu, sigma ) {
-    return addon( mu, sigma );
+	return addon( mu, sigma );
 }
 
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c
index ecf68d4ba6e0..921bcaca4890 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/addon.c
@@ -20,4 +20,4 @@
 #include "stdlib/math/base/napi/binary.h"
 
 // cppcheck-suppress shadowFunction
-STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_dists_wald_mean )
\ No newline at end of file
+STDLIB_MATH_BASE_NAPI_MODULE_DD_D( stdlib_base_dists_wald_mean )
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
index 59a0c1f025ee..a61b3a4928d9 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
@@ -35,7 +35,7 @@ double stdlib_base_dists_wald_mean( const double mu, const double sigma ) {
 		stdlib_base_is_nan( mu ) ||
 		stdlib_base_is_nan( sigma ) ||
 		sigma <= 0.0 ||
-        mu <= 0.0
+		mu <= 0.0
 	) {
 		return 0.0/0.0; // NaN
 	}

From e0830f75775ada59fe3da8d6ad6d206c8d52d22b Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Sun, 4 Jan 2026 18:08:36 +0530
Subject: [PATCH 03/23] requested changed implemented

---
 .../stdlib/stats/base/dists/wald/mean.h        |  4 ++--
 .../stats/base/dists/wald/mean/lib/index.js    |  6 +++---
 .../stats/base/dists/wald/mean/lib/main.js     | 18 +++++++++---------
 .../stats/base/dists/wald/mean/lib/native.js   | 16 ++++++++--------
 .../stats/base/dists/wald/mean/src/main.c      | 10 +++++-----
 5 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h
index 8519ccaa6b7e..a8cbf1b4ce7e 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/include/stdlib/stats/base/dists/wald/mean.h
@@ -27,9 +27,9 @@ extern "C" {
 #endif
 
 /**
-* Returns the expected value for a Wald distribution with mean `mu` and standard deviation `sigma`.
+* Returns the expected value for a Wald distribution with mean `mu` and shape parameter `lambda`.
 */
-double stdlib_base_dists_wald_mean( const double mu, const double sigma );
+double stdlib_base_dists_wald_mean( const double mu, const double lambda );
 
 #ifdef __cplusplus
 }
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
index d4f9a1da64e6..f36777558c1d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
@@ -26,11 +26,11 @@
 * @example
 * var mean = require( '@stdlib/stats/base/dists/wald/mean' );
 *
-* var y = mean( 0.0, 1.0 );
-* // returns NaN
-*
 * y = mean( 4.0, 2.0 );
 * // returns 4.0
+*
+* var y = mean( 0.0, 1.0 );
+* // returns NaN
 */
 
 // MODULES //
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
index cbbc6a55ac16..8c634a4ecf38 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
@@ -26,13 +26,17 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 // MAIN //
 
 /**
-* Returns the expected value for a wald distribution with mean `mu` and standard deviation `sigma`.
+* Returns the expected value for a Wald distribution with mean `mu` and shape parameter `lambda`.
 *
 * @param {PositiveNumber} mu - mean
-* @param {PositiveNumber} sigma - standard deviation
+* @param {PositiveNumber} lambda - shape parameter
 * @returns {number} expected value
 *
 * @example
+* var y = mean( 5.0, 2.0 );
+* // returns 5.0
+*
+* @example
 * var y = mean( 0.0, 1.0 );
 * // returns NaN
 *
@@ -41,10 +45,6 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 * // returns NaN
 *
 * @example
-* var y = mean( 5.0, 2.0 );
-* // returns 5.0
-*
-* @example
 * var y = mean( NaN, 1.0 );
 * // returns NaN
 *
@@ -56,11 +56,11 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 * var y = mean( 0.0, 0.0 );
 * // returns NaN
 */
-function mean( mu, sigma ) {
+function mean( mu, lambda ) {
 	if (
 		isnan( mu ) ||
-		isnan( sigma ) ||
-		sigma <= 0.0 ||
+		isnan( lambda ) ||
+		lambda <= 0.0 ||
 		mu <= 0.0
 	) {
 		return NaN;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
index 0ab697000d15..8bc05a96efcd 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
@@ -26,14 +26,18 @@ var addon = require( './../src/addon.node' );
 // MAIN //
 
 /**
-* Evaluates the expected value for a Wald distribution with mean `mu` and standard deviation `sigma`.
+* Returns the expected value for a Wald distribution with mean `mu` and shape parameter `lambda`.
 *
 * @private
 * @param {PositiveNumber} mu - mean
-* @param {PositiveNumber} sigma - standard deviation
+* @param {PositiveNumber} lambda - shape parameter
 * @returns {number} expected value
 *
 * @example
+* var y = mean( 5.0, 2.0 );
+* // returns 5.0
+*
+* @example
 * var y = mean( 0.0, 1.0 );
 * // returns NaN
 *
@@ -42,10 +46,6 @@ var addon = require( './../src/addon.node' );
 * // returns NaN
 *
 * @example
-* var y = mean( 5.0, 2.0 );
-* // returns 5.0
-*
-* @example
 * var y = mean( NaN, 1.0 );
 * // returns NaN
 *
@@ -57,8 +57,8 @@ var addon = require( './../src/addon.node' );
 * var y = mean( 0.0, 0.0 );
 * // returns NaN
 */
-function mean( mu, sigma ) {
-	return addon( mu, sigma );
+function mean( mu, lambda ) {
+	return addon( mu, lambda );
 }
 
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
index a61b3a4928d9..77cac2cac3b1 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
@@ -20,21 +20,21 @@
 #include "stdlib/math/base/assert/is_nan.h"
 
 /**
-* Returns the expected value for a Wald distribution with mean `mu` and standard deviation `sigma`.
+* Returns the expected value for a Wald distribution with mean `mu` and shape parameter `lambda`.
 *
 * @param mu     mean
-* @param sigma  standard deviation
+* @param lambda  shape parameter
 * @return       expected value
 *
 * @example
 * double y = stdlib_base_dists_wald_mean( 0.0, 1.0 );
 * // returns NaN
 */
-double stdlib_base_dists_wald_mean( const double mu, const double sigma ) {
+double stdlib_base_dists_wald_mean( const double mu, const double lambda ) {
 	if (
 		stdlib_base_is_nan( mu ) ||
-		stdlib_base_is_nan( sigma ) ||
-		sigma <= 0.0 ||
+		stdlib_base_is_nan( lambda ) ||
+		lambda <= 0.0 ||
 		mu <= 0.0
 	) {
 		return 0.0/0.0; // NaN

From 621821052fd928eef43404f5fbf4abfb96cda831 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Sun, 4 Jan 2026 19:14:02 +0530
Subject: [PATCH 04/23] tests added

---
 .../wald/mean/test/fixtures/julia/REQUIRE     |   3 +
 .../wald/mean/test/fixtures/julia/data.json   |   1 +
 .../wald/mean/test/fixtures/julia/runner.jl   |  73 ++++++++++
 .../stats/base/dists/wald/mean/test/test.js   | 122 ++++++++++++++++
 .../base/dists/wald/mean/test/test.native.js  | 131 ++++++++++++++++++
 5 files changed, 330 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/REQUIRE
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/data.json
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/runner.jl
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/REQUIRE
new file mode 100644
index 000000000000..98be20b58ed3
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/REQUIRE
@@ -0,0 +1,3 @@
+Distributions 0.23.8
+julia 1.5
+JSON 0.21
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/data.json b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/data.json
new file mode 100644
index 000000000000..cfbe8ef7b6da
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/data.json
@@ -0,0 +1 @@
+{"expected":[9.332225166166651,4.889545882546147,8.398178040760154,8.28051688606067,10.037308954804253,2.502718542102402,7.361144462873464,4.6290650686210615,3.876004579200079,6.422275131670353,5.847241707222778,6.366914991757955,6.3136965687091315,1.2616538066411815,4.603872427242848,6.537353892173539,8.152422851677493,1.0464547963763833,2.710612560595008,5.944344069327309,0.6086555872000572,0.9402142643524798,1.8975149191791791,2.5592660212610725,8.411190477424839,1.4511014402516482,4.2799661543123335,2.512582270176002,5.478377943405063,6.625790372383061,8.036417885893009,1.1434235434431035,7.248202965261169,8.544775430784588,6.5271560990783035,1.3854073031905918,3.7908552390293435,1.815739884828775,4.825403589669921,5.960258859303156,3.925089029468621,2.959680175704071,1.7875516365929784,6.213426082693141,8.64994577208829,3.9929816134159095,7.035341816019935,5.139750121604752,6.747818783777024,5.693593444380466,7.05406684061938,4.450504155891876,5.252334634220371,9.944308223267468,9.689955196930264,6.153056956375431,4.9280542385342905,2.7205997321763338,2.249596354937495,6.750055582351145,3.635697451623767,6.020983582313165,2.0717837310856453,8.981456445786328,3.3955035997359415,3.195439266997708,3.840112632688915,9.099141700744402,4.696500733424958,7.94650546435074,5.2091615442465065,7.0753291610803855,2.740360721587835,9.234198915716275,3.6722035577834906,10.427889780083783,4.740324983370824,8.842418004545316,6.979281384206059,4.802591338824032,1.2394947382676298,5.485967425903818,6.57451079630462,6.8115020527796055,9.467064551440531,1.5936804087224317,6.171478312926959,2.0670836797282597,1.8768815259656886,2.357093610486099,8.092423494889843,7.126466335129598,2.039090122605643,1.83883305304474,2.2139656913364543,5.313101099755819,10.313940850710054,6.407997714085795,4.90624429117303,6.326134887572925],"lambda":[2.4381925339491883,2.628465773755839,2.012417715510364,4.908152011660872,5.437712855580483,3.5147627620188313,3.5654756243202126,1.8864035976287563,3.7214821935143028,3.561295494770946,3.99299654368766,4.182714373347759,2.4322312368001797,1.0850379207148493,4.923607937241683,5.331454019181694,2.885192532622818,1.483219707457349,2.9188646901231543,3.6952372936097966,4.044363988019289,2.2253627070979007,0.7157494318796016,2.5543836806138067,3.491759685024702,4.175978377393404,1.1971987046049544,1.4297733585547903,3.3168607368505656,1.7768518171807341,3.050144075381506,3.5717388711090257,2.9973851576862938,4.921262332163632,2.0709001666268954,4.021963050650139,1.8658212960501874,2.626395603412256,3.4583673042203102,2.187448743710048,3.7608721257528988,4.909961938230089,4.309411892351908,4.847204812153579,3.3013301053257162,3.735041861540103,3.9436456488137104,1.0593494505193513,3.5335201403084366,1.815217279102599,4.438149145243953,2.5166107154618116,1.7890831926346662,0.6945042774788941,0.8330606603588548,4.474369071322663,4.365752800064446,3.433469757679817,5.187358162841649,1.444228760121607,1.3943371916314646,3.472040323569132,3.3563074908211323,5.137951285727967,1.6930458678935019,5.340337861356611,0.5945486754970865,2.0903826812135193,4.866339711556141,5.444112989230162,2.95153432830598,5.210912576640788,3.643765833412289,3.450363742570289,1.9534999609813204,3.419278729046406,4.571560172147398,4.138778622086694,0.9524871199264641,2.0320347697315673,2.395740547765334,2.3449989306891252,4.903041379839658,3.949913109763868,3.633227998396955,2.1386778304411327,4.8926733895923045,4.595379354367254,3.563893013691468,1.9479695009488813,2.825428629673149,4.153716960254766,5.034786199791013,3.7156836571853247,1.6200482700114267,1.2675216445740574,4.4435733332893,3.8831446700592065,5.337445608606271,4.497655899808191],"mu":[9.332225166166651,4.889545882546147,8.398178040760154,8.28051688606067,10.037308954804253,2.502718542102402,7.361144462873464,4.6290650686210615,3.876004579200079,6.422275131670353,5.847241707222778,6.366914991757955,6.3136965687091315,1.2616538066411815,4.603872427242848,6.537353892173539,8.152422851677493,1.0464547963763833,2.710612560595008,5.944344069327309,0.6086555872000572,0.9402142643524798,1.8975149191791791,2.5592660212610725,8.411190477424839,1.4511014402516482,4.2799661543123335,2.512582270176002,5.478377943405063,6.625790372383061,8.036417885893009,1.1434235434431035,7.248202965261169,8.544775430784588,6.5271560990783035,1.3854073031905918,3.7908552390293435,1.815739884828775,4.825403589669921,5.960258859303156,3.925089029468621,2.959680175704071,1.7875516365929784,6.213426082693141,8.64994577208829,3.9929816134159095,7.035341816019935,5.139750121604752,6.747818783777024,5.693593444380466,7.05406684061938,4.450504155891876,5.252334634220371,9.944308223267468,9.689955196930264,6.153056956375431,4.9280542385342905,2.7205997321763338,2.249596354937495,6.750055582351145,3.635697451623767,6.020983582313165,2.0717837310856453,8.981456445786328,3.3955035997359415,3.195439266997708,3.840112632688915,9.099141700744402,4.696500733424958,7.94650546435074,5.2091615442465065,7.0753291610803855,2.740360721587835,9.234198915716275,3.6722035577834906,10.427889780083783,4.740324983370824,8.842418004545316,6.979281384206059,4.802591338824032,1.2394947382676298,5.485967425903818,6.57451079630462,6.8115020527796055,9.467064551440531,1.5936804087224317,6.171478312926959,2.0670836797282597,1.8768815259656886,2.357093610486099,8.092423494889843,7.126466335129598,2.039090122605643,1.83883305304474,2.2139656913364543,5.313101099755819,10.313940850710054,6.407997714085795,4.90624429117303,6.326134887572925]}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/runner.jl
new file mode 100644
index 000000000000..dd137b329ab9
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/fixtures/julia/runner.jl
@@ -0,0 +1,73 @@
+#!/usr/bin/env julia
+#
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import Distributions: mean, InverseGaussian
+import JSON
+
+"""
+	gen( mu, lambda, name )
+
+Generate fixture data and write to file.
+
+# Arguments
+
+* `mu`: mean parameter
+* `lambda`: shape parameter
+* `name::AbstractString`: output filename
+
+# Examples
+
+``` julia
+julia> mu = rand( 1000 ) .* 10.0 .+ 0.1;
+julia> lambda = rand( 1000 ) .* 5.0 .+ 0.1;
+julia> gen( mu, lambda, "data.json" );
+```
+"""
+function gen( mu, lambda, name )
+	z = Array{Float64}( undef, length(mu) );
+	for i in eachindex(mu)
+		z[ i ] = mean( InverseGaussian( mu[i], lambda[i] ) );
+	end
+
+	# Store data to be written to file as a collection:
+	data = Dict([
+		("mu", mu),
+		("lambda", lambda),
+		("expected", z)
+	]);
+
+	# Based on the script directory, create an output filepath:
+	filepath = joinpath( dir, name );
+
+	# Write the data to the output filepath as JSON:
+	outfile = open( filepath, "w" );
+	write( outfile, JSON.json(data) );
+	write( outfile, "\n" );
+	close( outfile );
+end
+
+# Get the filename:
+file = @__FILE__;
+
+# Extract the directory in which this file resides:
+dir = dirname( file );
+
+# Generate fixtures:
+mu = rand( 100 ) .* 10.0 .+ 0.5;
+lambda = rand( 100 ) .* 5.0 .+ 0.5;
+gen( mu, lambda, "data.json" );
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js
new file mode 100644
index 000000000000..9f9d2d3761c8
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js
@@ -0,0 +1,122 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var tape = require( 'tape' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
+var PINF = require( '@stdlib/constants/float64/pinf' );
+var NINF = require( '@stdlib/constants/float64/ninf' );
+var mean = require( './../lib' );
+
+
+// FIXTURES //
+
+var data = require( './fixtures/julia/data.json' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof mean, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'if provided `NaN` for any parameter, the function returns `NaN`', function test( t ) {
+	var y = mean( NaN, 1.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+	y = mean( 1.0, NaN );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+    y = mean( NaN, NaN );
+    t.strictEqual( isnan( y ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'if provided a nonpositive `lambda`, the function returns `NaN`', function test( t ) {
+	var y;
+
+	y = mean( 2.0, 0.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( 2.0, -1.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( 1.0, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( PINF, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NaN, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'if provided a nonpositive `mu`, the function returns `NaN`', function test( t ) {
+	var y;
+
+	y = mean( 0.0, 2.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( -1.0, 2.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, 1.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, PINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, NaN );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	t.end();
+});
+
+
+tape( 'the function returns the expected value of a Wald distribution', function test( t ) {
+	var expected;
+	var lambda;
+	var mu;
+	var y;
+	var i;
+
+	expected = data.expected;
+	mu = data.mu;
+	lambda = data.lambda;
+	for ( i = 0; i < mu.length; i++ ) {
+		y = mean( mu[i], lambda[i] );
+		if ( y === expected[i] ) {
+			t.strictEqual( y, expected[i], 'mu:'+mu[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] );
+		} else {
+			t.ok( isAlmostSameValue( y, expected[i], 20 ), 'within tolerance. mu: '+mu[i]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'.' );
+		}
+	}
+	t.end();
+});
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
new file mode 100644
index 000000000000..ad3921dc020d
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
@@ -0,0 +1,131 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var resolve = require( 'path' ).resolve;
+var tape = require( 'tape' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
+var PINF = require( '@stdlib/constants/float64/pinf' );
+var NINF = require( '@stdlib/constants/float64/ninf' );
+
+
+// FIXTURES //
+
+var data = require( './fixtures/julia/data.json' );
+
+
+// VARIABLES //
+
+var mean = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( mean instanceof Error )
+};
+
+
+// TESTS //
+
+tape( 'main export is a function', opts, function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof mean, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'if provided `NaN` for any parameter, the function returns `NaN`', opts, function test( t ) {
+	var y = mean( NaN, 1.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+	y = mean( 1.0, NaN );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+    y = mean( NaN, NaN );
+    t.strictEqual( isnan( y ), true, 'returns expected value' );
+	t.end();
+});
+
+tape( 'if provided a nonpositive `lambda`, the function returns `NaN`', opts, function test( t ) {
+	var y;
+
+	y = mean( 2.0, 0.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( 2.0, -1.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( 1.0, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( PINF, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NaN, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'if provided a nonpositive `mu`, the function returns `NaN`', opts, function test( t ) {
+	var y;
+
+	y = mean( 0.0, 2.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( -1.0, 2.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, 1.0 );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, PINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, NINF );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	y = mean( NINF, NaN );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
+
+	t.end();
+});
+
+
+tape( 'the function returns the expected value of a Wald distribution', opts, function test( t ) {
+	var expected;
+	var lambda;
+	var mu;
+	var y;
+	var i;
+
+	expected = data.expected;
+	mu = data.mu;
+	lambda = data.lambda;
+	for ( i = 0; i < mu.length; i++ ) {
+		y = mean( mu[i], lambda[i] );
+		if ( y === expected[i] ) {
+			t.strictEqual( y, expected[i], 'mu:'+mu[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] );
+		} else {
+			t.ok( isAlmostSameValue( y, expected[i], 20 ), 'within tolerance. mu: '+mu[i]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'.' );
+		}
+	}
+	t.end();
+});

From 663a7defd2d3ec55efaafd67515eb9b53017a55d Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Sun, 4 Jan 2026 20:38:03 +0530
Subject: [PATCH 05/23] added examples

---
 .../base/dists/wald/mean/examples/c/Makefile  | 146 ++++++++++++++++++
 .../base/dists/wald/mean/examples/c/example.c |  41 +++++
 .../base/dists/wald/mean/examples/index.js    |  32 ++++
 3 files changed, 219 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/Makefile
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/index.js

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/Makefile
new file mode 100644
index 000000000000..c8f8e9a1517b
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/Makefile
@@ -0,0 +1,146 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+# Define the program used for compiling C source files:
+ifdef C_COMPILER
+	CC := $(C_COMPILER)
+else
+	CC := gcc
+endif
+
+# Define the command-line options when compiling C files:
+CFLAGS ?= \
+	-std=c99 \
+	-O3 \
+	-Wall \
+	-pedantic
+
+# Determine whether to generate position independent code ([1][1], [2][2]).
+#
+# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
+# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
+ifeq ($(OS), WINNT)
+	fPIC ?=
+else
+	fPIC ?= -fPIC
+endif
+
+# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`):
+INCLUDE ?=
+
+# List of source files:
+SOURCE_FILES ?=
+
+# List of libraries (e.g., `-lopenblas -lpthread`):
+LIBRARIES ?=
+
+# List of library paths (e.g., `-L /foo/bar -L /beep/boop`):
+LIBPATH ?=
+
+# List of C targets:
+c_targets := example.out
+
+
+# RULES #
+
+#/
+# Compiles source files.
+#
+# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`)
+# @param {string} [CFLAGS] - C compiler options
+# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`)
+# @param {string} [SOURCE_FILES] - list of source files
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`)
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} CC - C compiler (e.g., `gcc`)
+# @param {string} CFLAGS - C compiler options
+# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`)
+# @param {string} SOURCE_FILES - list of source files
+# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`)
+# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`)
+#/
+$(c_targets): %.out: %.c
+	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)
+
+#/
+# Runs compiled examples.
+#
+# @example
+# make run
+#/
+run: $(c_targets)
+	$(QUIET) ./$<
+
+.PHONY: run
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean:
+	$(QUIET) -rm -f *.o *.out
+
+.PHONY: clean
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
new file mode 100644
index 000000000000..50202907753b
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
@@ -0,0 +1,41 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/wald/mean.h"
+#include "stdlib/constants/float64/eps.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+static double random_uniform( const double min, const double max ) {
+	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+	return min + ( v*(max-min) );
+}
+
+int main( void ) {
+	double lambda;
+	double mu;
+	double y;
+	int i;
+
+	for ( i = 0; i < 10; i++ ) {
+		mu = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
+		lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 20.0 );
+		y = stdlib_base_dists_wald_mean( mu, lambda );
+		printf( "µ: %.4f, λ: %.4f, Mean(X;µ,λ): %.4f\n", mu, lambda, y );
+	}
+}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/index.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/index.js
new file mode 100644
index 000000000000..05d0707d539f
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/index.js
@@ -0,0 +1,32 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+var uniform = require( '@stdlib/random/array/uniform' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+var mean = require( './../lib' );
+
+var opts = {
+	'dtype': 'float64'
+};
+var mu = uniform( 10, EPS, 10.0, opts );
+var lambda = uniform( 10, EPS, 20.0, opts );
+
+logEachMap( 'µ: %0.4f, λ: %0.4f, E(X;µ,λ): %0.4f', mu, lambda, mean );

From a0496a6823c281ea4957c2d912a7fd5aab909975 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Sun, 4 Jan 2026 20:47:00 +0530
Subject: [PATCH 06/23] defined EPS due to import error in CI

---
 .../@stdlib/stats/base/dists/wald/mean/examples/c/example.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
index 50202907753b..1a548d998bba 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
@@ -17,10 +17,13 @@
 */
 
 #include "stdlib/stats/base/dists/wald/mean.h"
-#include "stdlib/constants/float64/eps.h"
 #include <stdlib.h>
 #include <stdio.h>
 
+#ifndef STDLIB_CONSTANT_FLOAT64_EPS
+#define STDLIB_CONSTANT_FLOAT64_EPS 2.22044604925031308e-16
+#endif
+
 static double random_uniform( const double min, const double max ) {
 	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
 	return min + ( v*(max-min) );
@@ -39,3 +42,4 @@ int main( void ) {
 		printf( "µ: %.4f, λ: %.4f, Mean(X;µ,λ): %.4f\n", mu, lambda, y );
 	}
 }
+

From a3ea8f02f43ccebe479071c34e90aa20e3b0d448 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Sun, 4 Jan 2026 20:54:40 +0530
Subject: [PATCH 07/23] linting error fixed

---
 .../@stdlib/stats/base/dists/wald/mean/test/test.js          | 5 ++---
 .../@stdlib/stats/base/dists/wald/mean/test/test.native.js   | 4 ++--
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js
index 9f9d2d3761c8..d71b01199f7d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.js
@@ -46,8 +46,8 @@ tape( 'if provided `NaN` for any parameter, the function returns `NaN`', functio
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 	y = mean( 1.0, NaN );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
-    y = mean( NaN, NaN );
-    t.strictEqual( isnan( y ), true, 'returns expected value' );
+	y = mean( NaN, NaN );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
 	t.end();
 });
 
@@ -99,7 +99,6 @@ tape( 'if provided a nonpositive `mu`, the function returns `NaN`', function tes
 	t.end();
 });
 
-
 tape( 'the function returns the expected value of a Wald distribution', function test( t ) {
 	var expected;
 	var lambda;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
index ad3921dc020d..0628cee9c072 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
@@ -55,8 +55,8 @@ tape( 'if provided `NaN` for any parameter, the function returns `NaN`', opts, f
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
 	y = mean( 1.0, NaN );
 	t.strictEqual( isnan( y ), true, 'returns expected value' );
-    y = mean( NaN, NaN );
-    t.strictEqual( isnan( y ), true, 'returns expected value' );
+	y = mean( NaN, NaN );
+	t.strictEqual( isnan( y ), true, 'returns expected value' );
 	t.end();
 });
 

From 8b56e02f6a33f0d24f87b322c9a4880ef3bac230 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Sun, 4 Jan 2026 21:02:07 +0530
Subject: [PATCH 08/23] linting error fixed

---
 .../@stdlib/stats/base/dists/wald/mean/test/test.native.js       | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
index 0628cee9c072..20c76ab8ba72 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/test/test.native.js
@@ -108,7 +108,6 @@ tape( 'if provided a nonpositive `mu`, the function returns `NaN`', opts, functi
 	t.end();
 });
 
-
 tape( 'the function returns the expected value of a Wald distribution', opts, function test( t ) {
 	var expected;
 	var lambda;

From 5bbc72448560c3b8c378542779e619c6059a563b Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Mon, 5 Jan 2026 01:18:02 +0530
Subject: [PATCH 09/23] added docs

---
 .../stats/base/dists/wald/mean/docs/repl.txt  | 40 ++++++++++++
 .../dists/wald/mean/docs/types/index.d.ts     | 61 +++++++++++++++++++
 .../base/dists/wald/mean/docs/types/test.ts   | 56 +++++++++++++++++
 3 files changed, 157 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
new file mode 100644
index 000000000000..183dec3fe311
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
@@ -0,0 +1,40 @@
+
+{{alias}}( μ, λ )
+    Returns the expected value of a Wald distribution with mean `μ` and
+    shape parameter `λ`.
+
+    If provided `NaN` as any argument, the function returns `NaN`.
+
+    If provided `σ <= 0` or `λ <= 0` the function returns `NaN`.
+
+    Parameters
+    ----------
+    μ: number
+        Location parameter.
+
+    λ: number
+        Shape parameter.
+
+    Returns
+    -------
+    out: number
+        Expected value.
+
+    Examples
+    --------
+    > y = {{alias}}( 4.0, 2.0 )
+    4.0
+    > var y = {{alias}}( 0.0, 1.0 )
+    NaN
+    > var y = {{alias}}( 1.0, 0.0 )
+    NaN
+    > y = {{alias}}( NaN, 1.0 )
+    NaN
+    > y = {{alias}}( 0.0, NaN )
+    NaN
+    > y = {{alias}}( 0.0, 0.0 )
+    NaN
+
+    See Also
+    --------
+
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
new file mode 100644
index 000000000000..6c0a8dcd449c
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
@@ -0,0 +1,61 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2019 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+// TypeScript Version: 4.1
+
+/**
+* Returns the expected value for a Wald distribution with mean `mu` and shape parameter `lambda`.
+*
+* ## Notes
+*
+* -   If provided `mu <= 0` or `lambda <= 0`, the function returns `NaN`.
+*
+* @param mu - mean
+* @param lambda - shape parameter
+* @returns expected value
+*
+* @example
+* var y = mean( 5.0, 2.0 );
+* // returns 5.0
+* 
+* @example
+* var y = mean( 0.0, 1.0 );
+* // returns NaN
+* 
+* @example
+* var y = mean( 1.0, 0.0 );
+* // returns NaN
+* 
+* @example
+* var y = mean( NaN, 1.0 );
+* // returns NaN
+*
+* @example
+* var y = mean( 0.0, NaN );
+* // returns NaN
+*
+* @example
+* var y = mean( 0.0, 0.0 );
+* // returns NaN
+*/
+declare function mean( mu: number, lambda: number ): number;
+
+
+// EXPORTS //
+
+export = mean;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts
new file mode 100644
index 000000000000..b038cf8caa92
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts
@@ -0,0 +1,56 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2019 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import mean = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+	mean( 5, 2 ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided values other than two numbers...
+{
+	mean( true, 3 ); // $ExpectError
+	mean( false, 2 ); // $ExpectError
+	mean( '5', 1 ); // $ExpectError
+	mean( [], 1 ); // $ExpectError
+	mean( {}, 2 ); // $ExpectError
+	mean( ( x: number ): number => x, 2 ); // $ExpectError
+
+	mean( 9, true ); // $ExpectError
+	mean( 9, false ); // $ExpectError
+	mean( 5, '5' ); // $ExpectError
+	mean( 8, [] ); // $ExpectError
+	mean( 9, {} ); // $ExpectError
+	mean( 8, ( x: number ): number => x ); // $ExpectError
+
+	mean( [], true ); // $ExpectError
+	mean( {}, false ); // $ExpectError
+	mean( false, '5' ); // $ExpectError
+	mean( {}, [] ); // $ExpectError
+	mean( '5', ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided insufficient arguments...
+{
+	mean(); // $ExpectError
+	mean( 3 ); // $ExpectError
+}

From f97623412337d1a4f94492a72e0f4c9c3397160a Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Mon, 5 Jan 2026 01:20:31 +0530
Subject: [PATCH 10/23] fixed copyright year

---
 .../@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts  | 2 +-
 .../@stdlib/stats/base/dists/normal/mean/docs/types/test.ts     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts
index 59cc87ab5644..65c454ce19ae 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts
@@ -1,7 +1,7 @@
 /*
 * @license Apache-2.0
 *
-* Copyright (c) 2019 The Stdlib Authors.
+* Copyright (c) 2026 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts
index cb5d2e243c81..7b9b8e3f7e1c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts
@@ -1,7 +1,7 @@
 /*
 * @license Apache-2.0
 *
-* Copyright (c) 2019 The Stdlib Authors.
+* Copyright (c) 2026 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.

From 87680661f9bc7f08430ff64f640ac1b887d2a046 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Mon, 5 Jan 2026 01:28:35 +0530
Subject: [PATCH 11/23] linting error fixed

---
 .../stats/base/dists/wald/mean/docs/types/index.d.ts        | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
index 6c0a8dcd449c..63aac10eeba7 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
@@ -32,15 +32,15 @@
 * @example
 * var y = mean( 5.0, 2.0 );
 * // returns 5.0
-* 
+*
 * @example
 * var y = mean( 0.0, 1.0 );
 * // returns NaN
-* 
+*
 * @example
 * var y = mean( 1.0, 0.0 );
 * // returns NaN
-* 
+*
 * @example
 * var y = mean( NaN, 1.0 );
 * // returns NaN

From 5a5139c7ac9d149b1c98a9e6ecb8272642e31946 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Mon, 5 Jan 2026 12:25:57 +0530
Subject: [PATCH 12/23] suggestions implemented

---
 .../@stdlib/stats/base/dists/wald/mean/docs/repl.txt          | 2 +-
 .../@stdlib/stats/base/dists/wald/mean/src/main.c             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
index 183dec3fe311..99a2c96d78d1 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
@@ -5,7 +5,7 @@
 
     If provided `NaN` as any argument, the function returns `NaN`.
 
-    If provided `σ <= 0` or `λ <= 0` the function returns `NaN`.
+    If provided `μ <= 0` or `λ <= 0` the function returns `NaN`.
 
     Parameters
     ----------
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
index 77cac2cac3b1..580c2746f1e8 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/src/main.c
@@ -22,9 +22,9 @@
 /**
 * Returns the expected value for a Wald distribution with mean `mu` and shape parameter `lambda`.
 *
-* @param mu     mean
+* @param mu    mean
 * @param lambda  shape parameter
-* @return       expected value
+* @return      expected value
 *
 * @example
 * double y = stdlib_base_dists_wald_mean( 0.0, 1.0 );

From e54875d11658bc50af1eca02d8887f88fd3f7b72 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Mon, 5 Jan 2026 16:38:12 +0530
Subject: [PATCH 13/23] benchmark and readme added

---
 .../stats/base/dists/wald/mean/README.md      | 255 ++++++++++++++++++
 .../dists/wald/mean/benchmark/benchmark.js    |  54 ++++
 .../wald/mean/benchmark/benchmark.native.js   |  71 +++++
 .../base/dists/wald/mean/benchmark/c/Makefile | 146 ++++++++++
 .../dists/wald/mean/benchmark/c/benchmark.c   | 140 ++++++++++
 5 files changed, 666 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/Makefile
 create mode 100644 lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/benchmark.c

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
new file mode 100644
index 000000000000..1db9a554ca7a
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
@@ -0,0 +1,255 @@
+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2018 The Stdlib Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+-->
+
+# Mean
+
+> [Wald][wald-distribution] distribution [expected value][mean].
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+The [expected value][mean] for a [wald][wald-distribution] random variable with mean `μ` and shape parameter `λ > 0` is
+
+<!-- <equation class="equation" label="eq:wald_expectation" align="center" raw="\mathbb{E}\left[ X \right] = \mu" alt="Expected value for a normal distribution."> -->
+
+```math
+\mathbb{E}\left[ X \right] = \mu
+```
+
+<!-- <div class="equation" align="center" data-raw-text="\mathbb{E}\left[ X \right] = \mu" data-equation="eq:normal_expectation">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@51534079fef45e990850102147e8945fb023d1d0/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/img/equation_normal_expectation.svg" alt="Expected value for a normal distribution.">
+    <br>
+</div> -->
+
+<!-- </equation> -->
+
+</section>
+
+<!-- /.intro -->
+
+<!-- Package usage documentation. -->
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var mean = require( '@stdlib/stats/base/dists/wald/mean' );
+```
+
+#### mean( mu, lambda )
+
+Returns the [expected value][mean] for a [wald][wald-distribution] distribution with parameters `mu` (mean) and `lambda` (shape parameter).
+
+```javascript
+var y = mean( 2.0, 1.0 );
+// returns 2.0
+
+y = mean( 0.0, 1.0 );
+// returns NaN
+
+y = mean( -1.0, 4.0 );
+// returns NaN
+```
+
+If provided `NaN` as any argument, the function returns `NaN`.
+
+```javascript
+var y = mean( NaN, 1.0 );
+// returns NaN
+
+y = mean( 0.0, NaN );
+// returns NaN
+```
+
+If provided `mu <= 0` or `lambda <= 0`, the function returns `NaN`.
+
+```javascript
+var y = mean( 0.0, 0.0 );
+// returns NaN
+
+y = mean( 0.0, -1.0 );
+// returns NaN
+
+y = mean( -1.0, 0.0 );
+// returns NaN
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- Package usage examples. -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var uniform = require( '@stdlib/random/array/uniform' );
+var logEachMap = require( '@stdlib/console/log-each-map' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+var mean = require( '@stdlib/stats/base/dists/wald/mean' );
+
+var opts = {
+    'dtype': 'float64'
+};
+var mu = uniform( 10, EPS, 10.0, opts );
+var lambda = uniform( 10, EPS, 20.0, opts );
+
+logEachMap( 'µ: %0.4f, λ: %0.4f, E(X;µ,λ): %0.4f', mu, lambda, mean );
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="references">
+
+</section>
+
+<!-- /.references -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section to include C API documentation. -->
+
+<section class="c">
+
+## C APIs
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- C API usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/stats/base/dists/wald/mean.h"
+```
+
+#### stdlib_base_dists_wald_mean( mu, lambda )
+
+Returns the expected value for a [wald][wald-distribution] distribution with mean `mu` and shape parameter `lambda`.
+
+-   **mu**: `[in] double` mean.
+-   **lambda**: `[in] double` shape parameter.
+
+```c
+double stdlib_base_dists_wald_mean( const double mu, const double lambda );
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- C API usage examples. -->
+
+<section class="examples">
+
+### Examples
+
+```c
+#include "stdlib/stats/base/dists/wald/mean.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+static double random_uniform( const double min, const double max ) {
+    double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+    return min + ( v*(max-min) );
+}
+
+int main( void ) {
+    double lambda;
+    double mu;
+    double y;
+    int i;
+
+    for ( i = 0; i < 10; i++ ) {
+        mu = random_uniform( 0.1, 5.0 );
+        lambda = random_uniform( 0.1, 20.0 );
+        y = stdlib_base_dists_wald_mean( mu, lambda );
+        printf( "µ: %.4f, λ: %.4f, Mean(X;µ,λ): %.4f\n", mu, lambda, y );
+    }
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+</section>
+
+<!-- /.c -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="links">
+
+[wald-distribution]: https://en.wikipedia.org/wiki/Inverse_Gaussian_distribution
+
+[mean]: https://en.wikipedia.org/wiki/Mean
+
+</section>
+
+<!-- /.links -->
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
new file mode 100644
index 000000000000..97cfa5e723bf
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
@@ -0,0 +1,54 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var randu = require( '@stdlib/random/base/randu' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+var pkg = require( './../package.json' ).name;
+var mean = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var lambda;
+	var mu;
+	var y;
+	var i;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		mu = ( randu()*100.0 ) + EPS;
+		lambda = ( randu()*20.0 ) + EPS;
+		y = mean( mu, lambda );
+		if ( isnan( y ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnan( y ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
new file mode 100644
index 000000000000..5b6ac01e86b5
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
@@ -0,0 +1,71 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var resolve = require( 'path' ).resolve;
+var bench = require( '@stdlib/bench' );
+var Float64Array = require( '@stdlib/array/float64' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+var format = require( '@stdlib/string/format' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+var pkg = require( './../package.json' ).name;
+
+
+// VARIABLES //
+
+var mean = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( mean instanceof Error )
+};
+
+
+// MAIN //
+
+bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
+	var lambda;
+	var len;
+	var mu;
+	var y;
+	var i;
+
+	len = 100;
+	mu = new Float64Array( len );
+	lambda = new Float64Array( len );
+	for ( i = 0; i < len; i++ ) {
+		mu[ i ] = uniform( EPS, 100.0 );
+		lambda[ i ] = uniform( EPS, 20.0 );
+	}
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		y = mean( mu[ i % len ], lambda[ i % len ] );
+		if ( isnan( y ) ) {
+			b.fail( 'should not return NaN' );
+		}
+	}
+	b.toc();
+	if ( isnan( y ) ) {
+		b.fail( 'should not return NaN' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/Makefile
new file mode 100644
index 000000000000..979768abbcec
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/Makefile
@@ -0,0 +1,146 @@
+#/
+# @license Apache-2.0
+#
+# Copyright (c) 2026 The Stdlib Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#/
+
+# VARIABLES #
+
+ifndef VERBOSE
+	QUIET := @
+else
+	QUIET :=
+endif
+
+# Determine the OS ([1][1], [2][2]).
+#
+# [1]: https://en.wikipedia.org/wiki/Uname#Examples
+# [2]: http://stackoverflow.com/a/27776822/2225624
+OS ?= $(shell uname)
+ifneq (, $(findstring MINGW,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring MSYS,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring CYGWIN,$(OS)))
+	OS := WINNT
+else
+ifneq (, $(findstring Windows_NT,$(OS)))
+	OS := WINNT
+endif
+endif
+endif
+endif
+
+# Define the program used for compiling C source files:
+ifdef C_COMPILER
+	CC := $(C_COMPILER)
+else
+	CC := gcc
+endif
+
+# Define the command-line options when compiling C files:
+CFLAGS ?= \
+	-std=c99 \
+	-O3 \
+	-Wall \
+	-pedantic
+
+# Determine whether to generate position independent code ([1][1], [2][2]).
+#
+# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
+# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
+ifeq ($(OS), WINNT)
+	fPIC ?=
+else
+	fPIC ?= -fPIC
+endif
+
+# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`):
+INCLUDE ?=
+
+# List of source files:
+SOURCE_FILES ?=
+
+# List of libraries (e.g., `-lopenblas -lpthread`):
+LIBRARIES ?=
+
+# List of library paths (e.g., `-L /foo/bar -L /beep/boop`):
+LIBPATH ?=
+
+# List of C targets:
+c_targets := benchmark.out
+
+
+# RULES #
+
+#/
+# Compiles source files.
+#
+# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`)
+# @param {string} [CFLAGS] - C compiler options
+# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`)
+# @param {string} [SOURCE_FILES] - list of source files
+# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`)
+# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`)
+#
+# @example
+# make
+#
+# @example
+# make all
+#/
+all: $(c_targets)
+
+.PHONY: all
+
+#/
+# Compiles C source files.
+#
+# @private
+# @param {string} CC - C compiler (e.g., `gcc`)
+# @param {string} CFLAGS - C compiler options
+# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`)
+# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`)
+# @param {string} SOURCE_FILES - list of source files
+# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`)
+# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`)
+#/
+$(c_targets): %.out: %.c
+	$(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES)
+
+#/
+# Runs compiled benchmarks.
+#
+# @example
+# make run
+#/
+run: $(c_targets)
+	$(QUIET) ./$<
+
+.PHONY: run
+
+#/
+# Removes generated files.
+#
+# @example
+# make clean
+#/
+clean:
+	$(QUIET) -rm -f *.o *.out
+
+.PHONY: clean
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/benchmark.c
new file mode 100644
index 000000000000..1a4a2fa23df5
--- /dev/null
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/c/benchmark.c
@@ -0,0 +1,140 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "stdlib/stats/base/dists/wald/mean.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <time.h>
+#include <sys/time.h>
+
+#define NAME "wald-mean"
+#define ITERATIONS 1000000
+#define REPEATS 3
+
+/**
+* Prints the TAP version.
+*/
+static void print_version( void ) {
+	printf( "TAP version 13\n" );
+}
+
+/**
+* Prints the TAP summary.
+*
+* @param total     total number of tests
+* @param passing   total number of passing tests
+*/
+static void print_summary( int total, int passing ) {
+	printf( "#\n" );
+	printf( "1..%d\n", total ); // TAP plan
+	printf( "# total %d\n", total );
+	printf( "# pass  %d\n", passing );
+	printf( "#\n" );
+	printf( "# ok\n" );
+}
+
+/**
+* Prints benchmarks results.
+*
+* @param elapsed   elapsed time in seconds
+*/
+static void print_results( double elapsed ) {
+	double rate = (double)ITERATIONS / elapsed;
+	printf( "  ---\n" );
+	printf( "  iterations: %d\n", ITERATIONS );
+	printf( "  elapsed: %0.9f\n", elapsed );
+	printf( "  rate: %0.9f\n", rate );
+	printf( "  ...\n" );
+}
+
+/**
+* Returns a clock time.
+*
+* @return clock time
+*/
+static double tic( void ) {
+	struct timeval now;
+	gettimeofday( &now, NULL );
+	return (double)now.tv_sec + (double)now.tv_usec/1.0e6;
+}
+
+/**
+* Generates a random number on the interval [min,max).
+*
+* @param min    minimum value (inclusive)
+* @param max    maximum value (exclusive)
+* @return       random number
+*/
+static double random_uniform( const double min, const double max ) {
+	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+	return min + ( v*(max-min) );
+}
+
+/**
+* Runs a benchmark.
+*
+* @return elapsed time in seconds
+*/
+static double benchmark( void ) {
+	double elapsed;
+	double lambda[ 100 ];
+	double mu[ 100 ];
+	double y;
+	double t;
+	int i;
+
+	for ( i = 0; i < 100; i++ ) {
+		mu[ i ] = random_uniform( 0.1, 10.0 );
+		lambda[ i ] = random_uniform( 0.1, 10.0 );
+	}
+
+	t = tic();
+	for ( i = 0; i < ITERATIONS; i++ ) {
+		y = stdlib_base_dists_wald_mean( mu[ i%100 ], lambda[ i%100 ] );
+		if ( y != y ) {
+			printf( "should not return NaN\n" );
+			break;
+		}
+	}
+	elapsed = tic() - t;
+	if ( y != y ) {
+		printf( "should not return NaN\n" );
+	}
+	return elapsed;
+}
+
+/**
+* Main execution sequence.
+*/
+int main( void ) {
+	double elapsed;
+	int i;
+
+	// Use the current time to seed the random number generator:
+	srand( time( NULL ) );
+
+	print_version();
+	for ( i = 0; i < REPEATS; i++ ) {
+		printf( "# c::%s\n", NAME );
+		elapsed = benchmark();
+		print_results( elapsed );
+		printf( "ok %d benchmark finished\n", i+1 );
+	}
+	print_summary( REPEATS, REPEATS );
+}

From 7dfb31ab2b9ea486deb3ff6fa5ca169135469406 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Mon, 5 Jan 2026 16:40:52 +0530
Subject: [PATCH 14/23] copyright year fixed

---
 lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md   | 2 +-
 .../@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts    | 2 +-
 .../@stdlib/stats/base/dists/wald/mean/docs/types/test.ts       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
index 1db9a554ca7a..308930df37da 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
@@ -2,7 +2,7 @@
 
 @license Apache-2.0
 
-Copyright (c) 2018 The Stdlib Authors.
+Copyright (c) 2026 The Stdlib Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
index 63aac10eeba7..12e6f02811dc 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/index.d.ts
@@ -1,7 +1,7 @@
 /*
 * @license Apache-2.0
 *
-* Copyright (c) 2019 The Stdlib Authors.
+* Copyright (c) 2026 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts
index b038cf8caa92..584afe7a8543 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/types/test.ts
@@ -1,7 +1,7 @@
 /*
 * @license Apache-2.0
 *
-* Copyright (c) 2019 The Stdlib Authors.
+* Copyright (c) 2026 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.

From 1a9d7b2d9f6d28bf1286df92c7c163ae73dcbeb8 Mon Sep 17 00:00:00 2001
From: Philipp Burckhardt <pburckhardt@outlook.com>
Date: Tue, 6 Jan 2026 22:32:10 -0600
Subject: [PATCH 15/23] chore: revert copyright year changes

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>
---
 .../@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts  | 2 +-
 .../@stdlib/stats/base/dists/normal/mean/docs/types/test.ts     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts
index 65c454ce19ae..59cc87ab5644 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/index.d.ts
@@ -1,7 +1,7 @@
 /*
 * @license Apache-2.0
 *
-* Copyright (c) 2026 The Stdlib Authors.
+* Copyright (c) 2019 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts
index 7b9b8e3f7e1c..cb5d2e243c81 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/types/test.ts
@@ -1,7 +1,7 @@
 /*
 * @license Apache-2.0
 *
-* Copyright (c) 2026 The Stdlib Authors.
+* Copyright (c) 2019 The Stdlib Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.

From d78d7a573afec67d0fdaad82d3a4deb28fd42fd5 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Wed, 7 Jan 2026 12:38:50 +0530
Subject: [PATCH 16/23] comments resolved

---
 .../stats/base/dists/wald/mean/README.md      | 12 ++++++------
 .../dists/wald/mean/benchmark/benchmark.js    | 12 ++++++++----
 .../wald/mean/benchmark/benchmark.native.js   | 19 ++++++++-----------
 .../stats/base/dists/wald/mean/docs/repl.txt  |  6 +++---
 .../base/dists/wald/mean/examples/c/example.c |  8 ++------
 .../stats/base/dists/wald/mean/lib/index.js   |  4 ++--
 .../stats/base/dists/wald/mean/lib/main.js    |  2 +-
 .../stats/base/dists/wald/mean/lib/native.js  |  2 +-
 8 files changed, 31 insertions(+), 34 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
index 308930df37da..e194d5bc8d3c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
@@ -26,16 +26,16 @@ limitations under the License.
 
 <section class="intro">
 
-The [expected value][mean] for a [wald][wald-distribution] random variable with mean `μ` and shape parameter `λ > 0` is
+The [expected value][mean] for a [Wald][wald-distribution] random variable with mean `μ` and shape parameter `λ > 0` is
 
-<!-- <equation class="equation" label="eq:wald_expectation" align="center" raw="\mathbb{E}\left[ X \right] = \mu" alt="Expected value for a normal distribution."> -->
+<!-- <equation class="equation" label="eq:wald_expectation" align="center" raw="\mathbb{E}\left[ X \right] = \mu" alt="Expected value for a Wald distribution."> -->
 
 ```math
 \mathbb{E}\left[ X \right] = \mu
 ```
 
-<!-- <div class="equation" align="center" data-raw-text="\mathbb{E}\left[ X \right] = \mu" data-equation="eq:normal_expectation">
-    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@51534079fef45e990850102147e8945fb023d1d0/lib/node_modules/@stdlib/stats/base/dists/normal/mean/docs/img/equation_normal_expectation.svg" alt="Expected value for a normal distribution.">
+<!-- <div class="equation" align="center" data-raw-text="\mathbb{E}\left[ X \right] = \mu" data-equation="eq:wald_expectation">
+    <img src="https://cdn.jsdelivr.net/gh/stdlib-js/stdlib@51534079fef45e990850102147e8945fb023d1d0/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/img/equation_wald_expectation.svg" alt="Expected value for a Wald distribution.">
     <br>
 </div> -->
 
@@ -57,7 +57,7 @@ var mean = require( '@stdlib/stats/base/dists/wald/mean' );
 
 #### mean( mu, lambda )
 
-Returns the [expected value][mean] for a [wald][wald-distribution] distribution with parameters `mu` (mean) and `lambda` (shape parameter).
+Returns the [expected value][mean] for a [Wald][wald-distribution] distribution with parameters `mu` (mean) and `lambda` (shape parameter).
 
 ```javascript
 var y = mean( 2.0, 1.0 );
@@ -174,7 +174,7 @@ logEachMap( 'µ: %0.4f, λ: %0.4f, E(X;µ,λ): %0.4f', mu, lambda, mean );
 
 #### stdlib_base_dists_wald_mean( mu, lambda )
 
-Returns the expected value for a [wald][wald-distribution] distribution with mean `mu` and shape parameter `lambda`.
+Returns the expected value for a [Wald][wald-distribution] distribution with mean `mu` and shape parameter `lambda`.
 
 -   **mu**: `[in] double` mean.
 -   **lambda**: `[in] double` shape parameter.
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
index 97cfa5e723bf..d30218f65218 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
@@ -21,7 +21,7 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var randu = require( '@stdlib/random/base/randu' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var EPS = require( '@stdlib/constants/float64/eps' );
 var pkg = require( './../package.json' ).name;
@@ -36,11 +36,15 @@ bench( pkg, function benchmark( b ) {
 	var y;
 	var i;
 
+	var opts = {
+		'dtype': 'float64'
+	};
+	mu = uniform( 100, EPS, 100.0, opts );
+	lambda = uniform( 100, EPS, 20.0, opts );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		mu = ( randu()*100.0 ) + EPS;
-		lambda = ( randu()*20.0 ) + EPS;
-		y = mean( mu, lambda );
+		y = mean( mu[ i % 100 ], lambda[ i % 100 ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
index 5b6ac01e86b5..cfd3bd9e366f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
@@ -22,8 +22,7 @@
 
 var resolve = require( 'path' ).resolve;
 var bench = require( '@stdlib/bench' );
-var Float64Array = require( '@stdlib/array/float64' );
-var uniform = require( '@stdlib/random/base/uniform' );
+var uniform = require( '@stdlib/random/array/uniform' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var format = require( '@stdlib/string/format' );
@@ -43,21 +42,19 @@ var opts = {
 
 bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
 	var lambda;
-	var len;
 	var mu;
 	var y;
 	var i;
 
-	len = 100;
-	mu = new Float64Array( len );
-	lambda = new Float64Array( len );
-	for ( i = 0; i < len; i++ ) {
-		mu[ i ] = uniform( EPS, 100.0 );
-		lambda[ i ] = uniform( EPS, 20.0 );
-	}
+	var arrayOpts = {
+		'dtype': 'float64'
+	};
+	mu = uniform( 100, EPS, 100.0, arrayOpts );
+	lambda = uniform( 100, EPS, 20.0, arrayOpts );
+
 	b.tic();
 	for ( i = 0; i < b.iterations; i++ ) {
-		y = mean( mu[ i % len ], lambda[ i % len ] );
+		y = mean( mu[ i % 100 ], lambda[ i % 100 ] );
 		if ( isnan( y ) ) {
 			b.fail( 'should not return NaN' );
 		}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
index 99a2c96d78d1..52b0af4f1830 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
@@ -22,11 +22,11 @@
 
     Examples
     --------
-    > y = {{alias}}( 4.0, 2.0 )
+    > var y = {{alias}}( 4.0, 2.0 )
     4.0
-    > var y = {{alias}}( 0.0, 1.0 )
+    > y = {{alias}}( 0.0, 1.0 )
     NaN
-    > var y = {{alias}}( 1.0, 0.0 )
+    > y = {{alias}}( 1.0, 0.0 )
     NaN
     > y = {{alias}}( NaN, 1.0 )
     NaN
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
index 1a548d998bba..bd1fc1f63b32 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/examples/c/example.c
@@ -20,10 +20,6 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#ifndef STDLIB_CONSTANT_FLOAT64_EPS
-#define STDLIB_CONSTANT_FLOAT64_EPS 2.22044604925031308e-16
-#endif
-
 static double random_uniform( const double min, const double max ) {
 	double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
 	return min + ( v*(max-min) );
@@ -36,8 +32,8 @@ int main( void ) {
 	int i;
 
 	for ( i = 0; i < 10; i++ ) {
-		mu = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 10.0 );
-		lambda = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, 20.0 );
+		mu = random_uniform( 0.1, 10.0 );
+		lambda = random_uniform( 0.1, 20.0 );
 		y = stdlib_base_dists_wald_mean( mu, lambda );
 		printf( "µ: %.4f, λ: %.4f, Mean(X;µ,λ): %.4f\n", mu, lambda, y );
 	}
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
index f36777558c1d..da683e8ec693 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/index.js
@@ -26,10 +26,10 @@
 * @example
 * var mean = require( '@stdlib/stats/base/dists/wald/mean' );
 *
-* y = mean( 4.0, 2.0 );
+* var y = mean( 4.0, 2.0 );
 * // returns 4.0
 *
-* var y = mean( 0.0, 1.0 );
+* y = mean( 0.0, 1.0 );
 * // returns NaN
 */
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
index 8c634a4ecf38..90babec7c1c7 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/main.js
@@ -30,7 +30,7 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 *
 * @param {PositiveNumber} mu - mean
 * @param {PositiveNumber} lambda - shape parameter
-* @returns {number} expected value
+* @returns {PositiveNumber} expected value
 *
 * @example
 * var y = mean( 5.0, 2.0 );
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
index 8bc05a96efcd..2aaefd940c31 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/lib/native.js
@@ -31,7 +31,7 @@ var addon = require( './../src/addon.node' );
 * @private
 * @param {PositiveNumber} mu - mean
 * @param {PositiveNumber} lambda - shape parameter
-* @returns {number} expected value
+* @returns {PositiveNumber} expected value
 *
 * @example
 * var y = mean( 5.0, 2.0 );

From f4dee690130437e2416798c994b6948aef17edbe Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Wed, 7 Jan 2026 12:49:13 +0530
Subject: [PATCH 17/23] linting error fixed

---
 .../stats/base/dists/wald/mean/benchmark/benchmark.js     | 4 +---
 .../base/dists/wald/mean/benchmark/benchmark.native.js    | 8 +++-----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
index d30218f65218..457d7850c30f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
@@ -32,13 +32,11 @@ var mean = require( './../lib' );
 
 bench( pkg, function benchmark( b ) {
 	var lambda;
+    var opts = {'dtype': 'float64'};
 	var mu;
 	var y;
 	var i;
 
-	var opts = {
-		'dtype': 'float64'
-	};
 	mu = uniform( 100, EPS, 100.0, opts );
 	lambda = uniform( 100, EPS, 20.0, opts );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
index cfd3bd9e366f..7d535d342dcf 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
@@ -41,14 +41,12 @@ var opts = {
 // MAIN //
 
 bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
-	var lambda;
+	var arrayOpts = {'dtype': 'float64'};
+    var lambda;
 	var mu;
 	var y;
 	var i;
-
-	var arrayOpts = {
-		'dtype': 'float64'
-	};
+	
 	mu = uniform( 100, EPS, 100.0, arrayOpts );
 	lambda = uniform( 100, EPS, 20.0, arrayOpts );
 

From e2af1d3f6d28686019480c63bbb6f03a97b990f7 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Wed, 7 Jan 2026 12:58:28 +0530
Subject: [PATCH 18/23] linting error fixed

---
 .../stats/base/dists/wald/mean/benchmark/benchmark.js       | 4 +++-
 .../base/dists/wald/mean/benchmark/benchmark.native.js      | 6 ++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
index 457d7850c30f..40b26778031f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
@@ -32,7 +32,9 @@ var mean = require( './../lib' );
 
 bench( pkg, function benchmark( b ) {
 	var lambda;
-    var opts = {'dtype': 'float64'};
+    var opts = {
+		'dtype': 'float64'
+	};
 	var mu;
 	var y;
 	var i;
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
index 7d535d342dcf..b646d4e21049 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
@@ -41,12 +41,14 @@ var opts = {
 // MAIN //
 
 bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
-	var arrayOpts = {'dtype': 'float64'};
+	var arrayOpts = {
+		'dtype': 'float64'
+	};
     var lambda;
 	var mu;
 	var y;
 	var i;
-	
+
 	mu = uniform( 100, EPS, 100.0, arrayOpts );
 	lambda = uniform( 100, EPS, 20.0, arrayOpts );
 

From 042fd0e66fdd7c4822349e38bb9a4f568ac33508 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Wed, 7 Jan 2026 13:10:37 +0530
Subject: [PATCH 19/23] linting error fixed

---
 .../stats/base/dists/wald/mean/benchmark/benchmark.js    | 9 +++++----
 .../base/dists/wald/mean/benchmark/benchmark.native.js   | 9 +++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
index 40b26778031f..0d944345fe84 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
@@ -31,14 +31,15 @@ var mean = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
-	var lambda;
-    var opts = {
-		'dtype': 'float64'
-	};
+    var lambda;
+	var opts;
 	var mu;
 	var y;
 	var i;
 
+	opts = {
+		'dtype': 'float64'
+	};
 	mu = uniform( 100, EPS, 100.0, opts );
 	lambda = uniform( 100, EPS, 20.0, opts );
 
diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
index b646d4e21049..529f081d381c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.native.js
@@ -41,14 +41,15 @@ var opts = {
 // MAIN //
 
 bench( format( '%s::native', pkg ), opts, function benchmark( b ) {
-	var arrayOpts = {
-		'dtype': 'float64'
-	};
-    var lambda;
+	var arrayOpts;
+	var lambda;
 	var mu;
 	var y;
 	var i;
 
+	arrayOpts = {
+		'dtype': 'float64'
+	};
 	mu = uniform( 100, EPS, 100.0, arrayOpts );
 	lambda = uniform( 100, EPS, 20.0, arrayOpts );
 

From bfd004960c5715a4184fe85ec963b4308f2771e7 Mon Sep 17 00:00:00 2001
From: manit2004 <manit.roy@research.iiit.ac.in>
Date: Wed, 7 Jan 2026 13:18:55 +0530
Subject: [PATCH 20/23] fix: correct indentation on line 34

---
 .../@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
index 0d944345fe84..dd53b851ad54 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/benchmark/benchmark.js
@@ -31,7 +31,7 @@ var mean = require( './../lib' );
 // MAIN //
 
 bench( pkg, function benchmark( b ) {
-    var lambda;
+	var lambda;
 	var opts;
 	var mu;
 	var y;

From bc5f5c339d80512662005ea9cc1bc34be87b84e4 Mon Sep 17 00:00:00 2001
From: Philipp Burckhardt <pburckhardt@outlook.com>
Date: Wed, 7 Jan 2026 13:37:36 -0600
Subject: [PATCH 21/23] chore: clean-up sections

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>
---
 .../stats/base/dists/wald/mean/README.md      | 41 ++++++++++---------
 1 file changed, 21 insertions(+), 20 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
index e194d5bc8d3c..9406f5035f7d 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
@@ -2,7 +2,7 @@
 
 @license Apache-2.0
 
-Copyright (c) 2026 The Stdlib Authors.
+Copyright (c) 2025 The Stdlib Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -132,23 +132,9 @@ logEachMap( 'µ: %0.4f, λ: %0.4f, E(X;µ,λ): %0.4f', mu, lambda, mean );
 
 <!-- /.examples -->
 
-<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
-
-<section class="references">
-
-</section>
-
-<!-- /.references -->
-
-<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
-
-<section class="related">
-
-</section>
-
-<!-- /.related -->
+<!-- C interface documentation. -->
 
-<!-- Section to include C API documentation. -->
+* * *
 
 <section class="c">
 
@@ -162,7 +148,7 @@ logEachMap( 'µ: %0.4f, λ: %0.4f, E(X;µ,λ): %0.4f', mu, lambda, mean );
 
 <!-- /.intro -->
 
-<!-- C API usage documentation. -->
+<!-- C usage documentation. -->
 
 <section class="usage">
 
@@ -174,7 +160,14 @@ logEachMap( 'µ: %0.4f, λ: %0.4f, E(X;µ,λ): %0.4f', mu, lambda, mean );
 
 #### stdlib_base_dists_wald_mean( mu, lambda )
 
-Returns the expected value for a [Wald][wald-distribution] distribution with mean `mu` and shape parameter `lambda`.
+Returns the [expected value][mean] for a [Wald][wald-distribution] distribution with mean `mu` and shape parameter `lambda`.
+
+```c
+double out = stdlib_base_dists_wald_mean( 2.0, 1.0 );
+// returns 2.0
+```
+
+The function accepts the following arguments:
 
 -   **mu**: `[in] double` mean.
 -   **lambda**: `[in] double` shape parameter.
@@ -234,6 +227,14 @@ int main( void ) {
 
 <!-- /.c -->
 
+<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="references">
+
+</section>
+
+<!-- /.references -->
+
 <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
 
 <section class="related">
@@ -248,7 +249,7 @@ int main( void ) {
 
 [wald-distribution]: https://en.wikipedia.org/wiki/Inverse_Gaussian_distribution
 
-[mean]: https://en.wikipedia.org/wiki/Mean
+[mean]: https://en.wikipedia.org/wiki/Expected_value
 
 </section>
 

From c3abeb3f49ce28d7ab6751194773fcb6033626d6 Mon Sep 17 00:00:00 2001
From: Philipp Burckhardt <pburckhardt@outlook.com>
Date: Wed, 7 Jan 2026 13:38:46 -0600
Subject: [PATCH 22/23] chore: revert changes

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>
---
 lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
index 9406f5035f7d..8c4fc5c3c186 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/README.md
@@ -2,7 +2,7 @@
 
 @license Apache-2.0
 
-Copyright (c) 2025 The Stdlib Authors.
+Copyright (c) 2026 The Stdlib Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -249,7 +249,7 @@ int main( void ) {
 
 [wald-distribution]: https://en.wikipedia.org/wiki/Inverse_Gaussian_distribution
 
-[mean]: https://en.wikipedia.org/wiki/Expected_value
+[mean]: https://en.wikipedia.org/wiki/Mean
 
 </section>
 

From cf2bcb004e7afee30f59a7bf5ebe015bd73ca7f1 Mon Sep 17 00:00:00 2001
From: Philipp Burckhardt <pburckhardt@outlook.com>
Date: Wed, 7 Jan 2026 13:40:03 -0600
Subject: [PATCH 23/23] docs: update description

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>
---
 .../@stdlib/stats/base/dists/wald/mean/docs/repl.txt            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
index 52b0af4f1830..30595320e8e9 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
+++ b/lib/node_modules/@stdlib/stats/base/dists/wald/mean/docs/repl.txt
@@ -10,7 +10,7 @@
     Parameters
     ----------
     μ: number
-        Location parameter.
+        Mean parameter.
 
     λ: number
         Shape parameter.