Mercurial > hg > octave-lyh > gnulib-hg
changeset 16449:0d187110279f
Tests for module 'fmaf-ieee'.
* modules/fmaf-ieee-tests: New file.
* tests/test-fmaf-ieee.c: New file.
* tests/test-fma-ieee.h: New file.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 26 Feb 2012 17:08:41 +0100 |
parents | bcb607010cd6 |
children | 93729a4cb347 |
files | ChangeLog modules/fmaf-ieee-tests tests/test-fma-ieee.h tests/test-fmaf-ieee.c |
diffstat | 4 files changed, 137 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2012-02-26 Bruno Haible <bruno@clisp.org> + Tests for module 'fmaf-ieee'. + * modules/fmaf-ieee-tests: New file. + * tests/test-fmaf-ieee.c: New file. + * tests/test-fma-ieee.h: New file. + New module 'fmaf-ieee'. * modules/fmaf-ieee: New file.
new file mode 100644 --- /dev/null +++ b/modules/fmaf-ieee-tests @@ -0,0 +1,17 @@ +Files: +tests/test-fmaf-ieee.c +tests/test-fma-ieee.h +tests/infinity.h +tests/nan.h +tests/macros.h + +Depends-on: +isnanf-nolibm +signbit + +configure.ac: + +Makefile.am: +TESTS += test-fmaf-ieee +check_PROGRAMS += test-fmaf-ieee +test_fmaf_ieee_LDADD = $(LDADD) @FMAF_LIBM@
new file mode 100644 --- /dev/null +++ b/tests/test-fma-ieee.h @@ -0,0 +1,72 @@ +/* Test of ldexp*() function family. + Copyright (C) 2012 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/>. */ + +static void +test_function (void) +{ + /* [MX] shaded specification in POSIX. */ + + /* NaN. */ + ASSERT (ISNAN (FMA (NAN, L_(3.0), L_(5.0)))); + ASSERT (ISNAN (FMA (NAN, L_(0.0), L_(5.0)))); + ASSERT (ISNAN (FMA (L_(2.0), NAN, L_(5.0)))); + ASSERT (ISNAN (FMA (L_(0.0), NAN, L_(5.0)))); + ASSERT (ISNAN (FMA (NAN, NAN, L_(5.0)))); + ASSERT (ISNAN (FMA (NAN, L_(3.0), NAN))); + ASSERT (ISNAN (FMA (NAN, L_(0.0), NAN))); + ASSERT (ISNAN (FMA (L_(2.0), NAN, NAN))); + ASSERT (ISNAN (FMA (L_(0.0), NAN, NAN))); + ASSERT (ISNAN (FMA (NAN, NAN, NAN))); + + /* Infinity. */ + ASSERT (ISNAN (FMA (INFINITY, L_(2.0), - INFINITY))); + ASSERT (ISNAN (FMA (INFINITY, - L_(2.0), INFINITY))); + ASSERT (ISNAN (FMA (- INFINITY, L_(2.0), INFINITY))); + ASSERT (ISNAN (FMA (- INFINITY, - L_(2.0), - INFINITY))); + ASSERT (ISNAN (FMA (L_(2.0), INFINITY, - INFINITY))); + ASSERT (ISNAN (FMA (L_(2.0), - INFINITY, INFINITY))); + ASSERT (ISNAN (FMA (- L_(2.0), INFINITY, INFINITY))); + ASSERT (ISNAN (FMA (- L_(2.0), - INFINITY, - INFINITY))); + + ASSERT (FMA (INFINITY, L_(2.0), INFINITY) == INFINITY); + ASSERT (FMA (INFINITY, - L_(2.0), - INFINITY) == - INFINITY); + ASSERT (FMA (- INFINITY, L_(2.0), - INFINITY) == - INFINITY); + ASSERT (FMA (- INFINITY, - L_(2.0), INFINITY) == INFINITY); + ASSERT (FMA (L_(2.0), INFINITY, INFINITY) == INFINITY); + ASSERT (FMA (L_(2.0), - INFINITY, - INFINITY) == - INFINITY); + ASSERT (FMA (- L_(2.0), INFINITY, - INFINITY) == - INFINITY); + ASSERT (FMA (- L_(2.0), - INFINITY, INFINITY) == INFINITY); + + /* Infinity times zero is NaN. */ + ASSERT (ISNAN (FMA (INFINITY, L_(0.0), L_(7.0)))); + ASSERT (ISNAN (FMA (INFINITY, L_(0.0), INFINITY))); + ASSERT (ISNAN (FMA (INFINITY, L_(0.0), NAN))); + ASSERT (ISNAN (FMA (- INFINITY, L_(0.0), L_(7.0)))); + ASSERT (ISNAN (FMA (- INFINITY, L_(0.0), INFINITY))); + ASSERT (ISNAN (FMA (- INFINITY, L_(0.0), NAN))); + ASSERT (ISNAN (FMA (L_(0.0), INFINITY, L_(7.0)))); + ASSERT (ISNAN (FMA (L_(0.0), INFINITY, INFINITY))); + ASSERT (ISNAN (FMA (L_(0.0), INFINITY, NAN))); + ASSERT (ISNAN (FMA (L_(0.0), - INFINITY, L_(7.0)))); + ASSERT (ISNAN (FMA (L_(0.0), - INFINITY, INFINITY))); + ASSERT (ISNAN (FMA (L_(0.0), - INFINITY, NAN))); + + /* NaN in the z argument. */ + ASSERT (ISNAN (FMA (L_(2.0), L_(3.0), NAN))); + ASSERT (ISNAN (FMA (L_(2.0), INFINITY, NAN))); + ASSERT (ISNAN (FMA (INFINITY, L_(3.0), NAN))); + ASSERT (ISNAN (FMA (INFINITY, INFINITY, NAN))); +}
new file mode 100644 --- /dev/null +++ b/tests/test-fmaf-ieee.c @@ -0,0 +1,43 @@ +/* Test of fmaf() function. + Copyright (C) 2012 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/>. */ + +#include <config.h> + +#include <math.h> + +#include "isnanf-nolibm.h" +#include "infinity.h" +#include "nan.h" +#include "macros.h" + +#undef INFINITY +#undef NAN + +#define DOUBLE float +#define ISNAN isnanf +#define INFINITY Infinityf () +#define NAN NaNf () +#define L_(literal) literal##f +#define FMA fmaf +#include "test-fma-ieee.h" + +int +main () +{ + test_function (); + + return 0; +}