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#ifndef _SV_SALMATHUTILS_HXX
#define _SV_SALMATHUTILS_HXX

#ifdef __cplusplus
extern "C" {
#endif

// ------------------------------------------------------------------
//
//                            Structures
//
// ------------------------------------------------------------------

// LRectCoor is an abreviation for rectangular coordinates
// represented as long integers

struct LRectCoor
{
    long  x;
    long  y;
    long  z;
};

// ------------------------------------------------------------------
//
//                       Type Definitions
//
// ------------------------------------------------------------------

// LRectCoorVec is an abreviation for vectors in rectangular
// coordinates represented as long integers

typedef struct LRectCoor   LRectCoor;
typedef LRectCoor         *LRectCoorVector;
typedef LRectCoorVector   *LRectCoorTensor;

// ------------------------------------------------------------------
//
//                      Function Headers
//
// ------------------------------------------------------------------

void CSwap  ( char            &rX, char            &rY );
void UCSwap ( unsigned char   &rX, unsigned char   &rY );
void SSwap  ( short           &rX, short           &rY );
void USSwap ( unsigned short  &rX, unsigned short  &rY );
void LSwap  ( long            &rX, long            &rY );
void ULSwap ( unsigned long   &rX, unsigned long   &rY );

// ------------------------------------------------------------------

unsigned long  Euclidian2Norm ( const LRectCoorVector  pVec );

// ------------------------------------------------------------------

#ifdef __cplusplus
}
#endif

#endif  // _SV_SALMATHUTILS_HXX