You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.0 KiB
93 lines
2.0 KiB
/////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 1998 Active Voice Corporation. All Rights Reserved.
|
|
//
|
|
// Active Agent(r) and Unified Communications(tm) are trademarks of Active Voice Corporation.
|
|
//
|
|
// Other brand and product names used herein are trademarks of their respective owners.
|
|
//
|
|
// The entire program and user interface including the structure, sequence, selection,
|
|
// and arrangement of the dialog, the exclusively "yes" and "no" choices represented
|
|
// by "1" and "2," and each dialog message are protected by copyrights registered in
|
|
// the United States and by international treaties.
|
|
//
|
|
// Protected by one or more of the following United States patents: 5,070,526, 5,488,650,
|
|
// 5,434,906, 5,581,604, 5,533,102, 5,568,540, 5,625,676, 5,651,054.
|
|
//
|
|
// Active Voice Corporation
|
|
// Seattle, Washington
|
|
// USA
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
////
|
|
// calc.c - calc functions
|
|
////
|
|
|
|
#include "winlocal.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "calc.h"
|
|
|
|
////
|
|
// private definitions
|
|
////
|
|
|
|
////
|
|
// public functions
|
|
////
|
|
|
|
// MulDivU32 -
|
|
// <dwMult1>
|
|
// <dwMult2>
|
|
// <dwDiv>
|
|
//
|
|
DWORD DLLEXPORT WINAPI MulDivU32(DWORD dwMult1, DWORD dwMult2, DWORD dwDiv)
|
|
{
|
|
DWORD dwResult;
|
|
|
|
if (dwDiv == 0L)
|
|
dwResult = ~((DWORD) 0);
|
|
|
|
else
|
|
{
|
|
DWORD dwMult3 = 1L;
|
|
|
|
// make sure calculation does not overflow
|
|
//
|
|
while (dwMult2 > 0 && dwMult1 >= ~((DWORD) 0) / dwMult2)
|
|
{
|
|
dwMult2 /= 10L;
|
|
dwMult3 *= 10L;
|
|
}
|
|
|
|
// calculation
|
|
//
|
|
dwResult = dwMult1 * dwMult2 / dwDiv * dwMult3;
|
|
}
|
|
|
|
return dwResult;
|
|
}
|
|
|
|
|
|
// GreatestCommonDenominator -
|
|
// <a>
|
|
// <b>
|
|
//
|
|
long DLLEXPORT WINAPI GreatestCommonDenominator(long a, long b)
|
|
{
|
|
if (b == 0)
|
|
return a;
|
|
else
|
|
return GreatestCommonDenominator(b, a % b);
|
|
}
|
|
|
|
// LeastCommonMultiple -
|
|
// <a>
|
|
// <b>
|
|
//
|
|
long DLLEXPORT WINAPI LeastCommonMultiple(long a, long b)
|
|
{
|
|
return (a * b) / GreatestCommonDenominator(a, b);
|
|
}
|