audk/MdePkg/Library/BaseLib/MultS64x64.c

47 lines
1.3 KiB
C

/** @file
Math worker functions.
Copyright (c) 2006, Intel Corporation<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "BaseLibInternals.h"
/**
Multiples a 64-bit signed integer by a 64-bit signed integer and generates a
64-bit signed result.
This function multiples 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.
If the result overflows, then ASSERT().
@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 (Multiplicand, Multiplier);
}