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forked from 0ad/0ad
0ad/source/lib/rand.h
2022-01-31 06:53:30 +00:00

39 lines
1.5 KiB
C

/* Copyright (C) 2022 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* pseudorandom number generator
*/
#ifndef INCLUDED_RAND
#define INCLUDED_RAND
/**
* return random integer in [min, max).
* avoids several common pitfalls; see discussion at
* http://www.azillionmonkeys.com/qed/random.html
**/
// TODO: replace the function by STL distributions.
size_t rand(size_t min_inclusive, size_t max_exclusive);
#endif // #ifndef INCLUDED_RAND