gcc/d/dmd/checkedint.h

   1
   2 /* Compiler implementation of the D programming language
   3  * Copyright (C) 2003-2018 by The D Language Foundation, All Rights Reserved
   4  * written by Walter Bright
   5  * http://www.digitalmars.com
   6  * Distributed under the Boost Software License, Version 1.0.
   7  * http://www.boost.org/LICENSE_1_0.txt
   8  * https://github.com/D-Programming-Language/dmd/blob/master/src/checkedint.h
   9  */
  10
  11 #pragma once
  12
  13 #ifndef __STDC_LIMIT_MACROS
  14 #define __STDC_LIMIT_MACROS 1
  15 #endif
  16 #include <stdint.h>
  17
  18
  19 int adds(int x, int y, bool& overflow);
  20 int64_t adds(int64_t x, int64_t y, bool& overflow);
  21 unsigned addu(unsigned x, unsigned y, bool& overflow);
  22 uint64_t addu(uint64_t x, uint64_t y, bool& overflow);
  23
  24 int subs(int x, int y, bool& overflow);
  25 int64_t subs(int64_t x, int64_t y, bool& overflow);
  26 unsigned subu(unsigned x, unsigned y, bool& overflow);
  27 uint64_t subu(uint64_t x, uint64_t y, bool& overflow);
  28
  29 int negs(int x, bool& overflow);
  30 int64_t negs(int64_t x, bool& overflow);
  31
  32 int muls(int x, int y, bool& overflow);
  33 int64_t muls(int64_t x, int64_t y, bool& overflow);
  34 unsigned mulu(unsigned x, unsigned y, bool& overflow);
  35 uint64_t mulu(uint64_t x, uint64_t y, bool& overflow);