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Added {,l,ll,imax}abs(3).

This commit is contained in:
Jonas 'Sortie' Termansen 2012-03-27 16:24:51 +02:00
parent 554b2e44cc
commit cd0e402bbb
4 changed files with 86 additions and 8 deletions
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1
libmaxsi/Makefile
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@ -49,6 +49,7 @@ $(CPU)/signal.o \
start.o \
time.o \
random.o \
abs.o \
integer.o \
c++.o \
memory.o \

38
libmaxsi/abs.cpp Normal file
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@ -0,0 +1,38 @@
/*******************************************************************************
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); }

39
libmaxsi/include/inttypes.h Normal file
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@ -0,0 +1,39 @@
/*******************************************************************************
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/>.
inttypes.h
Fixed size integer types.
*******************************************************************************/
#ifndef _INTTYPES_H
#define _INTTYPES_H 1
#include <features.h>
#include <stdint.h>
/* TODO: This header does not fully comply with POSIX and the ISO C Standard. */
__BEGIN_DECLS
intmax_t imaxabs(intmax_t);
__END_DECLS
#endif

16
libmaxsi/include/stdlib.h
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@ -1,6 +1,6 @@
/******************************************************************************
/*******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011, 2012.
This file is part of LibMaxsi.
@ -11,8 +11,8 @@
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.
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/>.
@ -20,7 +20,7 @@
stdlib.h
Standard library definitions.
******************************************************************************/
*******************************************************************************/
#ifndef _STDLIB_H
#define _STDLIB_H 1
@ -48,6 +48,7 @@ typedef int div_t, ldiv_t, lldiv_t;
/* TODO: WEXITSTATUS, WIFEXITED, WIFSIGNALED, WIFSTOPPED, WNOHANG, WSTOPSIG, WTERMSIG, WUNTRACED is missing here */
void abort(void);
int abs(int value);
int atoi(const char*);
long atol(const char*);
long long atoll(const char*);
@ -56,6 +57,8 @@ void exit(int);
void _Exit(int status);
void free(void*);
char* getenv(const char*);
long labs(long);
long long llabs(long long);
void* malloc(size_t);
#if !defined(_SORTIX_SOURCE)
char* mktemp(char* templ);
@ -71,7 +74,6 @@ long long strtoll(const char* restrict, char** restrict, int);
/* TODO: These are not implemented in libmaxsi/sortix yet. */
#if defined(__SORTIX_SHOW_UNIMPLEMENTED)
long a64l(const char* s);
int abs(int value);
int atexit(void (*function)(void));
double atof(const char* value);
void* bsearch(const void*, const void*, size_t, size_t, int (*)(const void*, const void*));
@ -83,10 +85,8 @@ int grantpt(int);
char* initstate(unsigned, char*, size_t);
long jrand48(unsigned short [3]);
char* l64a(long);
long labs(long);
void lcong48(unsigned short [7]);
ldiv_t ldiv(long, long);
long long llabs(long long);
lldiv_t lldiv(long long, long long);
long lrand48(void);
int mblen(const char*, size_t);