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UInt32x32To64 macro

Multiplies two unsigned 32-bit integers, returning an unsigned 64-bit integer result. The function performs optimally on 32-bit Windows.

Syntax


ULONGLONG UInt32x32To64(
  [in] DWORD Multiplier,
  [in] DWORD Multiplicand
);

Parameters

Multiplier [in]

The first unsigned 32-bit integer for the multiplication operation.

Multiplicand [in]

The second unsigned 32-bit integer for the multiplication operation.

Return value

The return value is the unsigned 64-bit integer result of the multiplication operation.

Remarks

This function is implemented on all platforms by optimal inline code: a single multiply instruction that returns a 64-bit result.

Please note that the function's return value is a 64-bit value, not a LARGE_INTEGER structure.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Winnt.h (include Windows.h)

See also

Large Integers
Int32x32To64

 

 

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