matinterface/mytypes.h at master · Leveltlab/matinterface · GitHub

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//#include <assert.h>
//#include <new.h>

//
// Generic test for success on any status value (non-negative numbers
// indicate success).
//
#define SUCCEEDED(hr) (((HRESULT)(hr)) >= 0)
#define FAILED(hr) (((HRESULT)(hr)) < 0)

#ifndef V
#define V(x)           { hr = (x); }
#endif
#ifndef V_RETURN
#define V_RETURN(x)    { hr = (x); if( FAILED(hr) ) { return hr; } }
#endif

#ifndef SAFE_DELETE
#define SAFE_DELETE(p)       { if (p) { delete (p);     (p)=NULL; } }
#endif
#ifndef SAFE_DELETE_ARRAY
#define SAFE_DELETE_ARRAY(p) { if (p) { delete[] (p);   (p)=NULL; } }
#endif
#ifndef SAFE_RELEASE
#define SAFE_RELEASE(p)      { if (p) { (p)->Release(); (p)=NULL; } }
#endif

//template <class T>
//void SWAP( T* &x, T* &y )
//{
//    T* temp = x;
//    x = y;
//    y = temp;
//}