Mercurial > hg > octave-lyh > gnulib-hg
changeset 16623:898d3c91bae4
Tests for module 'exp2f-ieee'.
* modules/exp2f-ieee-tests: New file.
* tests/test-exp2f-ieee.c: New file.
* tests/test-exp2-ieee.h: New file.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 09 Mar 2012 01:19:36 +0100 |
parents | b597f5ed7041 |
children | 311dbdf79111 |
files | ChangeLog modules/exp2f-ieee-tests tests/test-exp2-ieee.h tests/test-exp2f-ieee.c |
diffstat | 4 files changed, 112 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2012-03-08 Bruno Haible <bruno@clisp.org> + Tests for module 'exp2f-ieee'. + * modules/exp2f-ieee-tests: New file. + * tests/test-exp2f-ieee.c: New file. + * tests/test-exp2-ieee.h: New file. + New module 'exp2f-ieee'. * modules/exp2f-ieee: New file.
new file mode 100644 --- /dev/null +++ b/modules/exp2f-ieee-tests @@ -0,0 +1,19 @@ +Files: +tests/test-exp2f-ieee.c +tests/test-exp2-ieee.h +tests/minus-zero.h +tests/infinity.h +tests/nan.h +tests/macros.h + +Depends-on: +isnanf-nolibm +float +signbit + +configure.ac: + +Makefile.am: +TESTS += test-exp2f-ieee +check_PROGRAMS += test-exp2f-ieee +test_exp2f_ieee_LDADD = $(LDADD) @EXP2F_LIBM@
new file mode 100644 --- /dev/null +++ b/tests/test-exp2-ieee.h @@ -0,0 +1,43 @@ +/* Test of exp2*() 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. */ + + /* Underflow. */ + { + DOUBLE z = EXP2 (-100000.0); + ASSERT (z == L_(0.0)); + ASSERT (!signbit (z)); + } + + /* NaN. */ + ASSERT (ISNAN (EXP2 (NAN))); + + /* Zero. */ + ASSERT (EXP2 (L_(0.0)) == L_(1.0)); + ASSERT (EXP2 (MINUS_ZERO) == L_(1.0)); + + /* Infinity. */ + { + DOUBLE z = EXP2 (- INFINITY); + ASSERT (z == L_(0.0)); + ASSERT (!signbit (z)); + } + ASSERT (EXP2 (INFINITY) == INFINITY); +}
new file mode 100644 --- /dev/null +++ b/tests/test-exp2f-ieee.c @@ -0,0 +1,45 @@ +/* Test of exp2f() 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 "minus-zero.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 MINUS_ZERO minus_zerof +#define EXP2 exp2f +#include "test-exp2-ieee.h" + +int +main () +{ + test_function (); + + return 0; +}