# HG changeset patch # User Bruno Haible # Date 1192234032 -7200 # Node ID 1cd01bf41d6871e6f3ca7e9abe116639a5a5eefc # Parent 5437ef3873b58460387dc9f2c3f1c5d2f934dce4 Rename tests/test-trunc.c to tests/test-trunc1.c. diff --git a/ChangeLog b/ChangeLog --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2007-10-12 Bruno Haible + + * tests/test-trunc1.c: Renamed from tests/test-trunc.c. + * modules/trunc-tests: Update. + 2007-10-12 Bruno Haible * lib/trunc.c (FUNC): Avoid rounding errors for values near a power diff --git a/modules/trunc-tests b/modules/trunc-tests --- a/modules/trunc-tests +++ b/modules/trunc-tests @@ -1,14 +1,14 @@ Files: -tests/test-trunc.c +tests/test-trunc1.c Depends-on: configure.ac: Makefile.am: -TESTS += test-trunc -check_PROGRAMS += test-trunc -test_trunc_LDADD = $(LDADD) @TRUNC_LIBM@ +TESTS += test-trunc1 +check_PROGRAMS += test-trunc1 +test_trunc1_LDADD = $(LDADD) @TRUNC_LIBM@ License: LGPL diff --git a/tests/test-trunc.c b/tests/test-trunc.c deleted file mode 100644 --- a/tests/test-trunc.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 . */ - -/* Written by Bruno Haible , 2007. */ - -#include - -#include - -#include -#include - -#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 double -NaN () -{ - static double zero = 0.0; - return zero / zero; -} -#else -# define NaN() (0.0 / 0.0) -#endif - -int -main () -{ - /* Zero. */ - ASSERT (trunc (0.0) == 0.0); - ASSERT (trunc (-0.0) == 0.0); - /* Positive numbers. */ - ASSERT (trunc (0.3) == 0.0); - ASSERT (trunc (0.7) == 0.0); - ASSERT (trunc (1.0) == 1.0); - ASSERT (trunc (1.5) == 1.0); - ASSERT (trunc (1.999) == 1.0); - ASSERT (trunc (2.0) == 2.0); - ASSERT (trunc (65535.999) == 65535.0); - ASSERT (trunc (65536.0) == 65536.0); - ASSERT (trunc (2.341e31) == 2.341e31); - /* Negative numbers. */ - ASSERT (trunc (-0.3) == 0.0); - ASSERT (trunc (-0.7) == 0.0); - ASSERT (trunc (-1.0) == -1.0); - ASSERT (trunc (-1.5) == -1.0); - ASSERT (trunc (-1.999) == -1.0); - ASSERT (trunc (-2.0) == -2.0); - ASSERT (trunc (-65535.999) == -65535.0); - ASSERT (trunc (-65536.0) == -65536.0); - ASSERT (trunc (-2.341e31) == -2.341e31); - /* Infinite numbers. */ - ASSERT (trunc (1.0 / 0.0) == 1.0 / 0.0); - ASSERT (trunc (-1.0 / 0.0) == -1.0 / 0.0); - /* NaNs. */ - ASSERT (isnan (trunc (NaN ()))); - - return 0; -} diff --git a/tests/test-trunc1.c b/tests/test-trunc1.c new file mode 100644 --- /dev/null +++ b/tests/test-trunc1.c @@ -0,0 +1,82 @@ +/* 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 . */ + +/* Written by Bruno Haible , 2007. */ + +#include + +#include + +#include +#include + +#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 double +NaN () +{ + static double zero = 0.0; + return zero / zero; +} +#else +# define NaN() (0.0 / 0.0) +#endif + +int +main () +{ + /* Zero. */ + ASSERT (trunc (0.0) == 0.0); + ASSERT (trunc (-0.0) == 0.0); + /* Positive numbers. */ + ASSERT (trunc (0.3) == 0.0); + ASSERT (trunc (0.7) == 0.0); + ASSERT (trunc (1.0) == 1.0); + ASSERT (trunc (1.5) == 1.0); + ASSERT (trunc (1.999) == 1.0); + ASSERT (trunc (2.0) == 2.0); + ASSERT (trunc (65535.999) == 65535.0); + ASSERT (trunc (65536.0) == 65536.0); + ASSERT (trunc (2.341e31) == 2.341e31); + /* Negative numbers. */ + ASSERT (trunc (-0.3) == 0.0); + ASSERT (trunc (-0.7) == 0.0); + ASSERT (trunc (-1.0) == -1.0); + ASSERT (trunc (-1.5) == -1.0); + ASSERT (trunc (-1.999) == -1.0); + ASSERT (trunc (-2.0) == -2.0); + ASSERT (trunc (-65535.999) == -65535.0); + ASSERT (trunc (-65536.0) == -65536.0); + ASSERT (trunc (-2.341e31) == -2.341e31); + /* Infinite numbers. */ + ASSERT (trunc (1.0 / 0.0) == 1.0 / 0.0); + ASSERT (trunc (-1.0 / 0.0) == -1.0 / 0.0); + /* NaNs. */ + ASSERT (isnan (trunc (NaN ()))); + + return 0; +}