#include "rt_def.h"

#include "watcom.h"

#if 0
/* 
  C versions of watcom.h assembly.
  Uses the '__int64' type (see rt_def.h).
 */

fixed FixedMul(fixed a, fixed b)
{
/*	__int64 x = a;
	__int64 y = b;
	__int64 z = x * y + 0x8000;
	
	return (z >> 16) & 0xffffffff;
*/
	return ((__int64)a*b + 0x8000)>>16;
}

fixed FixedMulShift(fixed a, fixed b, fixed shift)
{
/*	__int64 x = a;
	__int64 y = b;
	__int64 z = x * y;
	
	return (((unsigned __int64)z) >> shift) & 0xffffffff;
*/
	return (unsigned __int64)((__int64)a*b)>>shift;
}

fixed FixedDiv2(fixed a, fixed b)
{
/*
	__int64 x = (signed long)a;
	__int64 y = (signed long)b;
	__int64 z = x * 65536 / y;
	
	return (z) & 0xffffffff;
*/
	return (float)a*65536.0f/b;
}

fixed FixedScale(fixed orig, fixed factor, fixed divisor)
{
/*
	__int64 x = orig;
	__int64 y = factor;
	__int64 z = divisor;
	
	__int64 w = (x * y) / z;
	
	return (w) & 0xffffffff;
*/
	return (float)orig * factor / divisor;
}
#endif