audk/MdePkg/Library/BaseLib/MultS64x64.c

37 lines
866 B
C

/** @file
Math worker functions.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "BaseLibInternals.h"
/**
Multiplies a 64-bit signed integer by a 64-bit signed integer and generates a
64-bit signed result.
This function multiplies the 64-bit signed value Multiplicand by the 64-bit
signed value Multiplier and generates a 64-bit signed result. This 64-bit
signed result is returned.
@param Multiplicand A 64-bit signed value.
@param Multiplier A 64-bit signed value.
@return Multiplicand * Multiplier.
**/
INT64
EFIAPI
MultS64x64 (
IN INT64 Multiplicand,
IN INT64 Multiplier
)
{
return (INT64)MultU64x64 ((UINT64) Multiplicand, (UINT64) Multiplier);
}