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sortix--sortix/libmaxsi/abs.cpp
Jonas 'Sortie' Termansen cd0e402bbb Added {,l,ll,imax}abs(3).
2012-03-27 16:36:55 +02:00

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/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
This file is part of LibMaxsi.
LibMaxsi 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.
LibMaxsi 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.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
abs.cpp
Allows taking the absolute value of integer types.
*******************************************************************************/
#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); }