GH-61: Add core electrical units

README.md

@@ -1,6 +1,6 @@
 # DV - Dimensional Variables
 
-[![main](https://github.com/alextac98/dv/actions/workflows/main.yaml/badge.svg)](https://github.com/alextac98/dv/actions/workflows/main.yaml)   ![Crates.io Version](https://img.shields.io/crates/v/dv) ![PyPI - Version](https://img.shields.io/pypi/v/dv_py)
+[![main](https://github.com/alextac98/dv/actions/workflows/main.yaml/badge.svg)](https://github.com/alextac98/dv/actions/workflows/main.yaml) [![Crates.io Version](https://img.shields.io/crates/v/dv)](https://crates.io/crates/dv) [![PyPI - Version](https://img.shields.io/pypi/v/dv_py)](https://pypi.org/project/dv-py/)
 
 > [!NOTE]
 > Full information, documentation, examples, and more can be found on the project website: https://dv.alextac.com/

VERSION.toml

@@ -6,4 +6,4 @@
 
 major = 0
 minor = 3
-patch = 0
+patch = 1

core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dv"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 authors = [ "Alex Tacescu <alextac98@gmail.com>",]
 description = "Core Rust library for DimensionalVariable, a multi-language library for handling physical quantities with units."

core/src/units.rs

@@ -88,7 +88,7 @@ pub fn unit_map() -> HashMap<&'static str, Unit> {
         ("MA", Unit { name: "megaampere", conversion_factor: 1e6, base_unit: [0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0] }),
 
         // ===== Energy Units =====
-        ("ev", Unit { name: "electronvolt", conversion_factor: 1.602176634e-19, base_unit: [2.0, 1.0, -2.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
+        ("eV", Unit { name: "electronvolt", conversion_factor: 1.602176634e-19, base_unit: [2.0, 1.0, -2.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
         ("mJ", Unit { name: "millijoule", conversion_factor: 1e-3, base_unit: [2.0, 1.0, -2.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
         ("J", Unit { name: "joule", conversion_factor: 1.0, base_unit: [2.0, 1.0, -2.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
         ("kJ", Unit { name: "kilojoule", conversion_factor: 1e3, base_unit: [2.0, 1.0, -2.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
@@ -110,6 +110,21 @@ pub fn unit_map() -> HashMap<&'static str, Unit> {
         ("TW", Unit { name: "terawatt", conversion_factor: 1e12, base_unit: [2.0, 1.0, -3.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
         ("hp", Unit { name: "horsepower", conversion_factor: 745.6998715822702, base_unit: [2.0, 1.0, -3.0, 0.0, 0.0, 0.0, 0.0, 0.0] }),
 
+        // ===== Electrical Charge Units =====
+        ("Coulomb", Unit { name: "coulomb", conversion_factor: 1.0, base_unit: [0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0] }),
+        ("mC", Unit { name: "millicoulomb", conversion_factor: 1e-3, base_unit: [0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0] }),
+        ("kC", Unit { name: "kilocoulomb", conversion_factor: 1e3, base_unit: [0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0] }),
+
+        // ===== Electric Potential Units =====
+        ("V", Unit { name: "volt", conversion_factor: 1.0, base_unit: [2.0, 1.0, -3.0, 0.0, -1.0, 0.0, 0.0, 0.0] }),
+        ("mV", Unit { name: "millivolt", conversion_factor: 1e-3, base_unit: [2.0, 1.0, -3.0, 0.0, -1.0, 0.0, 0.0, 0.0] }),
+        ("kV", Unit { name: "kilovolt", conversion_factor: 1e3, base_unit: [2.0, 1.0, -3.0, 0.0, -1.0, 0.0, 0.0, 0.0] }),
+
+        // ===== Electric Resistance Units =====
+        ("Ohm", Unit { name: "ohm", conversion_factor: 1.0, base_unit: [2.0, 1.0, -3.0, 0.0, -2.0, 0.0, 0.0, 0.0] }),
+        ("mOhm", Unit { name: "milliohm", conversion_factor: 1e-3, base_unit: [2.0, 1.0, -3.0, 0.0, -2.0, 0.0, 0.0, 0.0] }),
+        ("kOhm", Unit { name: "kiloohm", conversion_factor: 1e3, base_unit: [2.0, 1.0, -3.0, 0.0, -2.0, 0.0, 0.0, 0.0] }),
+
         // ===== Amount of Substance Units =====
         ("mol", Unit { name: "mole", conversion_factor: 1.0, base_unit: [0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0] }),
         ("kmol", Unit { name: "kilomole", conversion_factor: 1e3, base_unit: [0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0] }),

core/tests/units_tests.rs

@@ -104,3 +104,15 @@ fn errors_on_unknown_unit() {
     let result = dv::new(1.0, "unknown_unit");
     assert!(result.is_err(), "Expected error on unknown unit");
 }
+
+#[test]
+fn electrical_units() {
+    let voltage = dv::new(10.0, "V").expect(FAIL_MSG);
+    let current = dv::new(2.0, "A").expect(FAIL_MSG);
+    let resistance = dv::new(5.0, "Ohm").expect(FAIL_MSG);
+
+    assert!(voltage == &current * &resistance, "Ohm's law failed");
+
+    let power = dv::new(20.0, "W").expect(FAIL_MSG);
+    assert!(power == &voltage * &current, "Power calculation failed");
+}

python/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dv_py"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 authors = [ "Alex Tacescu <alextac98@gmail.com>",]
 homepage = "https://dv.alextac.com"

python/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "dv_py"
-version = "0.3.0"
+version = "0.3.1"
 description = "Python bindings for dv (DimensionalVariable) - keeping track of units and dimensions for physical quantities"
 readme = "pip-readme.md"
 requires-python = ">=3.8"