glibc/math/test-misc.c
Ulrich Drepper 9861985faf Update.
2000-01-20  Ulrich Drepper  <drepper@cygnus.com>

	* math/Makefile (tests): Add test-misc.
	* math/test-misc.c: New file.

	* posix/regex.h: Update comment of RE_SYNTAX_POSIX_MINIMAL_EXTENDED.
2000-01-20 08:27:38 +00:00

58 lines
1.5 KiB
C

/* Miscellaneous tests which don't fit anywhere else.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <math.h>
#include <stdio.h>
int
main (void)
{
int result = 0;
if (sizeof (long double) >= 12)
{
long double x = 0x100000001ll + (long double) 0.5;
long double q;
long double r;
r = modfl (x, &q);
if (q != (long double) 0x100000001ll || r != 0.5)
{
printf ("modfl (%Lg, ...) failed\n", x);
result = 1;
}
}
{
double x = 0x100000001ll + (double) 0.5;
double q;
double r;
r = modf (x, &q);
if (q != (double) 0x100000001ll || r != 0.5)
{
printf ("modf (%g, ...) failed\n", x);
result = 1;
}
}
return result;
}