diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libm/t_cosh.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libm/t_cosh.c | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libm/t_cosh.c b/contrib/netbsd-tests/lib/libm/t_cosh.c new file mode 100644 index 000000000000..aac3a39b0236 --- /dev/null +++ b/contrib/netbsd-tests/lib/libm/t_cosh.c @@ -0,0 +1,268 @@ +/* $NetBSD: t_cosh.c,v 1.7 2018/11/07 03:59:36 riastradh Exp $ */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jukka Ruohonen. + * + * 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_cosh.c,v 1.7 2018/11/07 03:59:36 riastradh Exp $"); + +#include <atf-c.h> +#include <float.h> +#include <math.h> +#include <stdio.h> + +static const struct { + double x; + double y; +} values[] = { + { -10, 11013.232920103323, }, + { -2, 3.762195691083631, }, + { -1, 1.543080634815244, }, + { -0.05, 1.001250260438369, }, + { -0.001, 1.0000005000000418, }, + { 0, 1, }, + { 0.001, 1.0000005000000418, }, + { 0.05, 1.001250260438369, }, + { 1, 1.543080634815244, }, + { 2, 3.762195691083631, }, + { 10, 11013.232920103323, }, +}; + +/* + * cosh(3) + */ +ATF_TC(cosh_inrange); +ATF_TC_HEAD(cosh_inrange, tc) +{ + atf_tc_set_md_var(tc, "descr", "cosh(x) for some values"); +} + +ATF_TC_BODY(cosh_inrange, tc) +{ + const double eps = DBL_EPSILON; + size_t i; + + for (i = 0; i < __arraycount(values); i++) { + double x = values[i].x; + double cosh_x = values[i].y; + + if (!(fabs((cosh(x) - cosh_x)/cosh_x) <= eps)) { + atf_tc_fail_nonfatal("cosh(%.17g) = %.17g != %.17g\n", + x, cosh(x), cosh_x); + } + } +} + +ATF_TC(cosh_nan); +ATF_TC_HEAD(cosh_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test cosh(NaN) == NaN"); +} + +ATF_TC_BODY(cosh_nan, tc) +{ + const double x = 0.0L / 0.0L; + + ATF_CHECK(isnan(x) != 0); + ATF_CHECK(isnan(cosh(x)) != 0); +} + +ATF_TC(cosh_inf_neg); +ATF_TC_HEAD(cosh_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test cosh(-Inf) == +Inf"); +} + +ATF_TC_BODY(cosh_inf_neg, tc) +{ + const double x = -1.0L / 0.0L; + double y = cosh(x); + + ATF_CHECK(isinf(y) != 0); + ATF_CHECK(signbit(y) == 0); +} + +ATF_TC(cosh_inf_pos); +ATF_TC_HEAD(cosh_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test cosh(+Inf) == +Inf"); +} + +ATF_TC_BODY(cosh_inf_pos, tc) +{ + const double x = 1.0L / 0.0L; + double y = cosh(x); + + ATF_CHECK(isinf(y) != 0); + ATF_CHECK(signbit(y) == 0); +} + +ATF_TC(cosh_zero_neg); +ATF_TC_HEAD(cosh_zero_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test cosh(-0.0) == 1.0"); +} + +ATF_TC_BODY(cosh_zero_neg, tc) +{ + const double x = -0.0L; + + if (cosh(x) != 1.0) + atf_tc_fail_nonfatal("cosh(-0.0) != 1.0"); +} + +ATF_TC(cosh_zero_pos); +ATF_TC_HEAD(cosh_zero_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test cosh(+0.0) == 1.0"); +} + +ATF_TC_BODY(cosh_zero_pos, tc) +{ + const double x = 0.0L; + + if (cosh(x) != 1.0) + atf_tc_fail_nonfatal("cosh(+0.0) != 1.0"); +} + +/* + * coshf(3) + */ +ATF_TC(coshf_inrange); +ATF_TC_HEAD(coshf_inrange, tc) +{ + atf_tc_set_md_var(tc, "descr", "coshf(x) for some values"); +} + +ATF_TC_BODY(coshf_inrange, tc) +{ + const float eps = FLT_EPSILON; + size_t i; + + for (i = 0; i < __arraycount(values); i++) { + float x = values[i].x; + float cosh_x = values[i].y; + + if (!(fabsf((coshf(x) - cosh_x)/cosh_x) <= eps)) { + atf_tc_fail_nonfatal("coshf(%.17g) = %.17g != %.17g\n", + x, coshf(x), cosh_x); + } + } +} + +ATF_TC(coshf_nan); +ATF_TC_HEAD(coshf_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test coshf(NaN) == NaN"); +} + +ATF_TC_BODY(coshf_nan, tc) +{ + const float x = 0.0L / 0.0L; + + ATF_CHECK(isnan(x) != 0); + ATF_CHECK(isnan(coshf(x)) != 0); +} + +ATF_TC(coshf_inf_neg); +ATF_TC_HEAD(coshf_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test coshf(-Inf) == +Inf"); +} + +ATF_TC_BODY(coshf_inf_neg, tc) +{ + const float x = -1.0L / 0.0L; + float y = coshf(x); + + ATF_CHECK(isinf(y) != 0); + ATF_CHECK(signbit(y) == 0); +} + +ATF_TC(coshf_inf_pos); +ATF_TC_HEAD(coshf_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test coshf(+Inf) == +Inf"); +} + +ATF_TC_BODY(coshf_inf_pos, tc) +{ + const float x = 1.0L / 0.0L; + float y = coshf(x); + + ATF_CHECK(isinf(y) != 0); + ATF_CHECK(signbit(y) == 0); +} + +ATF_TC(coshf_zero_neg); +ATF_TC_HEAD(coshf_zero_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test coshf(-0.0) == 1.0"); +} + +ATF_TC_BODY(coshf_zero_neg, tc) +{ + const float x = -0.0L; + + if (coshf(x) != 1.0) + atf_tc_fail_nonfatal("coshf(-0.0) != 1.0"); +} + +ATF_TC(coshf_zero_pos); +ATF_TC_HEAD(coshf_zero_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test coshf(+0.0) == 1.0"); +} + +ATF_TC_BODY(coshf_zero_pos, tc) +{ + const float x = 0.0L; + + if (coshf(x) != 1.0) + atf_tc_fail_nonfatal("coshf(+0.0) != 1.0"); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, cosh_inrange); + ATF_TP_ADD_TC(tp, cosh_nan); + ATF_TP_ADD_TC(tp, cosh_inf_neg); + ATF_TP_ADD_TC(tp, cosh_inf_pos); + ATF_TP_ADD_TC(tp, cosh_zero_neg); + ATF_TP_ADD_TC(tp, cosh_zero_pos); + + ATF_TP_ADD_TC(tp, coshf_inrange); + ATF_TP_ADD_TC(tp, coshf_nan); + ATF_TP_ADD_TC(tp, coshf_inf_neg); + ATF_TP_ADD_TC(tp, coshf_inf_pos); + ATF_TP_ADD_TC(tp, coshf_zero_neg); + ATF_TP_ADD_TC(tp, coshf_zero_pos); + + return atf_no_error(); +} |