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sortix--sortix/libc/abs.cpp

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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
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You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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abs.cpp
Allows taking the absolute value of integer types.
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*******************************************************************************/
#include <stdint.h>
#include <stdlib.h>
#include <inttypes.h>
template <class T> T Absolute(T t)
{
return t < 0 ? -t : t;
}
extern "C" int abs(int val) { return Absolute(val); }
extern "C" long int labs(long int val) { return Absolute(val); }
extern "C" long long int llabs(long long int val) { return Absolute(val); }
extern "C" intmax_t imaxabs(intmax_t val) { return Absolute(val); }