From 9861985fafa348a103f5812bae80a85ca8b6c5dd Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 20 Jan 2000 08:27:38 +0000 Subject: Update. 2000-01-20 Ulrich Drepper * math/Makefile (tests): Add test-misc. * math/test-misc.c: New file. * posix/regex.h: Update comment of RE_SYNTAX_POSIX_MINIMAL_EXTENDED. --- math/test-misc.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 math/test-misc.c (limited to 'math/test-misc.c') diff --git a/math/test-misc.c b/math/test-misc.c new file mode 100644 index 0000000000..962e5f69de --- /dev/null +++ b/math/test-misc.c @@ -0,0 +1,57 @@ +/* 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 +#include + + +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; +} -- cgit 1.4.1