MdePkg/Library/BaseLib/Ia32/DivS64x64Remainder.c

   1 /** @file
   2   Integer division worker functions for Ia32.
   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   Module Name:  DivS64x64Remainder.c
  14
  15 **/
  16
  17 #include "../BaseLibInternals.h"
  18
  19 INT64
  20 EFIAPI
  21 InternalMathDivRemS64x64 (
  22   IN      INT64                     Dividend,
  23   IN      INT64                     Divisor,
  24   OUT     INT64                     *Remainder
  25   )
  26 {
  27   INT64                             Quot;
  28
  29   Quot = InternalMathDivRemU64x64 (
  30            Dividend >= 0 ? Dividend : -Dividend,
  31            Divisor >= 0 ? Divisor : -Divisor,
  32            (UINT64 *) Remainder
  33            );
  34   if (Remainder != NULL && Dividend < 0) {
  35     *Remainder = -*Remainder;
  36   }
  37   return (Dividend ^ Divisor) >= 0 ? Quot : -Quot;
  38 }