MdePkg/Library/BaseLib/MultS64x64.c

   1 /** @file
   2   Math worker functions.
   3
   4   Copyright (c) 2006, Intel Corporation<BR>
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15
  16
  17
  18 #include "BaseLibInternals.h"
  19
  20 /**
  21   Multiples a 64-bit signed integer by a 64-bit signed integer and generates a
  22   64-bit signed result.
  23
  24   This function multiples the 64-bit signed value Multiplicand by the 64-bit
  25   signed value Multiplier and generates a 64-bit signed result. This 64-bit
  26   signed result is returned.
  27
  28   @param  Multiplicand  A 64-bit signed value.
  29   @param  Multiplier    A 64-bit signed value.
  30
  31   @return Multiplicand * Multiplier
  32
  33 **/
  34 INT64
  35 EFIAPI
  36 MultS64x64 (
  37   IN      INT64                     Multiplicand,
  38   IN      INT64                     Multiplier
  39   )
  40 {
  41   return (INT64)MultU64x64 (Multiplicand, Multiplier);
  42 }