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MulDiv

MulDiv 

Visual Studio 2005

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,
  int nNumerator,
  int nDenominator
);

Parameters

nNumber

[in] Multiplicand.
nNumerator

[in] Multiplier.
nDenominator

[in] Number by which the result of the multiplication (nNumber * nNumerator) is to be divided.

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.

Routine Required header Architecture

MulDiv

<cmnintrin.h>

x86, ARM, SH-4, MIPS

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