diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libm/t_infinity.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libm/t_infinity.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libm/t_infinity.c b/contrib/netbsd-tests/lib/libm/t_infinity.c new file mode 100644 index 0000000..7ac1737 --- /dev/null +++ b/contrib/netbsd-tests/lib/libm/t_infinity.c @@ -0,0 +1,119 @@ +/* $NetBSD: t_infinity.c,v 1.6 2012/09/26 07:24:38 jruoho Exp $ */ + +/*- + * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Martin Husemann <martin@NetBSD.org>. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_infinity.c,v 1.6 2012/09/26 07:24:38 jruoho Exp $"); + +#include <atf-c.h> +#include <math.h> +#include <float.h> +#include <stdlib.h> + +ATF_TC(infinity_float); +ATF_TC_HEAD(infinity_float, tc) +{ + atf_tc_set_md_var(tc, "descr", + "check FPU generated infinite float values"); +} + +ATF_TC_BODY(infinity_float, tc) +{ + float v; + + v = FLT_MAX; + v *= v; + ATF_REQUIRE(isinf(v)); + ATF_REQUIRE(fpclassify(v) == FP_INFINITE); + + v = -FLT_MAX; + v *= v; + ATF_REQUIRE(isinf(v)); + ATF_REQUIRE(fpclassify(v) == FP_INFINITE); +} + +ATF_TC(infinity_double); +ATF_TC_HEAD(infinity_double, tc) +{ + atf_tc_set_md_var(tc, "descr", + "check FPU generated infinite double values"); +} + +ATF_TC_BODY(infinity_double, tc) +{ + double v; + + v = DBL_MAX; + v *= v; + ATF_REQUIRE(isinf(v)); + ATF_REQUIRE(fpclassify(v) == FP_INFINITE); + + v = -DBL_MAX; + v *= v; + ATF_REQUIRE(isinf(v)); + ATF_REQUIRE(fpclassify(v) == FP_INFINITE); +} + +ATF_TC(infinity_long_double); +ATF_TC_HEAD(infinity_long_double, tc) +{ + atf_tc_set_md_var(tc, "descr", + "check FPU generated infinite long double values"); +} + +ATF_TC_BODY(infinity_long_double, tc) +{ + +#ifndef LDBL_MAX + atf_tc_skip("no long double support on this architecture"); + return; +#else + long double v; + + v = LDBL_MAX; + v *= v; + ATF_REQUIRE(isinf(v)); + ATF_REQUIRE(fpclassify(v) == FP_INFINITE); + + v = -LDBL_MAX; + v *= v; + ATF_REQUIRE(isinf(v)); + ATF_REQUIRE(fpclassify(v) == FP_INFINITE); +#endif +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, infinity_float); + ATF_TP_ADD_TC(tp, infinity_double); + ATF_TP_ADD_TC(tp, infinity_long_double); + + return atf_no_error(); +} |
