From f58044bf09e598f68a08352b2973c1af5d864712 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sun, 26 Feb 2012 17:54:59 +0100 Subject: [PATCH] Tests for module 'modff-ieee'. * modules/modff-ieee-tests: New file. * tests/test-modff-ieee.c: New file. * tests/test-modf-ieee.h: New file. --- ChangeLog | 5 +++++ modules/modff-ieee-tests | 19 +++++++++++++++++ tests/test-modf-ieee.h | 45 ++++++++++++++++++++++++++++++++++++++++ tests/test-modff-ieee.c | 45 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 114 insertions(+) create mode 100644 modules/modff-ieee-tests create mode 100644 tests/test-modf-ieee.h create mode 100644 tests/test-modff-ieee.c diff --git a/ChangeLog b/ChangeLog index 7494ac24f3..39ab26665f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2012-02-26 Bruno Haible + Tests for module 'modff-ieee'. + * modules/modff-ieee-tests: New file. + * tests/test-modff-ieee.c: New file. + * tests/test-modf-ieee.h: New file. + New module 'modff-ieee'. * modules/modff-ieee: New file. diff --git a/modules/modff-ieee-tests b/modules/modff-ieee-tests new file mode 100644 index 0000000000..17063a5356 --- /dev/null +++ b/modules/modff-ieee-tests @@ -0,0 +1,19 @@ +Files: +tests/test-modff-ieee.c +tests/test-modf-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-modff-ieee +check_PROGRAMS += test-modff-ieee +test_modff_ieee_LDADD = $(LDADD) @MODFF_LIBM@ diff --git a/tests/test-modf-ieee.h b/tests/test-modf-ieee.h new file mode 100644 index 0000000000..12d170a0b7 --- /dev/null +++ b/tests/test-modf-ieee.h @@ -0,0 +1,45 @@ +/* Test of modf*() 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 . */ + +static void +test_function (void) +{ + /* [MX] shaded specification in POSIX. */ + + /* NaN. */ + { + DOUBLE integer_part = -9999; + DOUBLE fractional_part = MODF (NAN, &integer_part); + ASSERT (ISNAN (integer_part)); + ASSERT (ISNAN (fractional_part)); + } + + /* Infinity. */ + { + DOUBLE integer_part = -9999; + DOUBLE fractional_part = MODF (INFINITY, &integer_part); + ASSERT (integer_part == INFINITY); + ASSERT (fractional_part == L_(0.0)); + ASSERT (!signbit (fractional_part)); + } + { + DOUBLE integer_part = -9999; + DOUBLE fractional_part = MODF (- INFINITY, &integer_part); + ASSERT (integer_part == - INFINITY); + ASSERT (fractional_part == L_(0.0)); + ASSERT (!!signbit (fractional_part) == !!signbit (MINUS_ZERO)); + } +} diff --git a/tests/test-modff-ieee.c b/tests/test-modff-ieee.c new file mode 100644 index 0000000000..377e49103d --- /dev/null +++ b/tests/test-modff-ieee.c @@ -0,0 +1,45 @@ +/* Test of modff() 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 . */ + +#include + +#include + +#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 MODF modff +#include "test-modf-ieee.h" + +int +main () +{ + test_function (); + + return 0; +} -- 2.39.5