gcc/libga68/ga68-standenv.c

49 lines
1.4 KiB
C

/* Support run-time routines for the standard prelude.
Copyright (C) 2025 Jose E. Marchesi.
GCC is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GCC 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 General Public License for more
details.
Under Section 7 of GPL version 3, you are granted additional permissions
described in the GCC Runtime Library Exception, version 3.1, as published by
the Free Software Foundation.
You should have received a copy of the GNU General Public License and a copy
of the GCC Runtime Library Exception along with this program; see the files
COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include <stdlib.h> /* For rand. */
#include "ga68.h"
/* Implementation of the standard prelude `random' function. */
float
_libga68_random (void)
{
float res = (float) rand () / (float) (RAND_MAX);
return res;
}
double
_libga68_longrandom (void)
{
double res = (double) rand () / (float) (RAND_MAX);
return res;
}
long double
_libga68_longlongrandom (void)
{
long double res = (long double) rand () / (float) (RAND_MAX);
return res;
}