Mercurial > hg > octave-lyh > gnulib-hg
changeset 9326:cb8282d0ed8c
Renamed to tests/test-truncf1.c.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 13 Oct 2007 02:00:48 +0200 |
parents | 752dd5bd3fc6 |
children | 5437ef3873b5 |
files | tests/test-truncf.c |
diffstat | 1 files changed, 0 insertions(+), 82 deletions(-) [+] |
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deleted file mode 100644 --- a/tests/test-truncf.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Test of rounding towards zero. - Copyright (C) 2007 Free Software Foundation, Inc. - - This program 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 of the License, or - (at your option) any later version. - - This program 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. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ - -#include <config.h> - -#include <math.h> - -#include <stdio.h> -#include <stdlib.h> - -#define ASSERT(expr) \ - do \ - { \ - if (!(expr)) \ - { \ - fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ - abort (); \ - } \ - } \ - while (0) - -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC -static float -NaN () -{ - static float zero = 0.0f; - return zero / zero; -} -#else -# define NaN() (0.0f / 0.0f) -#endif - -int -main () -{ - /* Zero. */ - ASSERT (truncf (0.0f) == 0.0f); - ASSERT (truncf (-0.0f) == 0.0f); - /* Positive numbers. */ - ASSERT (truncf (0.3f) == 0.0f); - ASSERT (truncf (0.7f) == 0.0f); - ASSERT (truncf (1.0f) == 1.0f); - ASSERT (truncf (1.5f) == 1.0f); - ASSERT (truncf (1.999f) == 1.0f); - ASSERT (truncf (2.0f) == 2.0f); - ASSERT (truncf (65535.99f) == 65535.0f); - ASSERT (truncf (65536.0f) == 65536.0f); - ASSERT (truncf (2.341e31f) == 2.341e31f); - /* Negative numbers. */ - ASSERT (truncf (-0.3f) == 0.0f); - ASSERT (truncf (-0.7f) == 0.0f); - ASSERT (truncf (-1.0f) == -1.0f); - ASSERT (truncf (-1.5f) == -1.0f); - ASSERT (truncf (-1.999f) == -1.0f); - ASSERT (truncf (-2.0f) == -2.0f); - ASSERT (truncf (-65535.99f) == -65535.0f); - ASSERT (truncf (-65536.0f) == -65536.0f); - ASSERT (truncf (-2.341e31f) == -2.341e31f); - /* Infinite numbers. */ - ASSERT (truncf (1.0f / 0.0f) == 1.0f / 0.0f); - ASSERT (truncf (-1.0f / 0.0f) == -1.0f / 0.0f); - /* NaNs. */ - ASSERT (isnan (truncf (NaN ()))); - - return 0; -}