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MulDiv info  Overview  Group

The MulDiv function multiplies two 32-bit values and then divides the 64-bit result by a third 32-bit value. The return value is rounded up or down to the nearest integer.

int MulDiv(

    int nNumber,

// 32-bit signed multiplicand

    int nNumerator,

// 32-bit signed multiplier

    int nDenominator 

// 32-bit signed divisor

   );

Parameters

nNumber
Specifies the multiplicand.
nNumerator
Specifies the multiplier.
nDenominator
Specifies the number by which the result of the multiplication (nNumber * nNumerator) is to be divided.

Return Values

If the function succeeds, the return value is the result of the multiplication and division. If either an overflow occurred or nDenominator was 0, the return value is -1.

See Also

Int32x32To64, UInt32x32To64

file: /Techref/os/win/api/win32/func/src/f58_1.htm, 2KB, , updated: 2000/4/7 11:19, local time: 2024/11/7 08:33,
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