diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libm/t_asin.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libm/t_asin.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libm/t_asin.c b/contrib/netbsd-tests/lib/libm/t_asin.c new file mode 100644 index 0000000..06de852 --- /dev/null +++ b/contrib/netbsd-tests/lib/libm/t_asin.c @@ -0,0 +1,296 @@ +/* $NetBSD: t_asin.c,v 1.3 2014/03/03 10:39:08 martin 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 <atf-c.h> +#include <math.h> + +static const struct { + double x; + double y; +} values[] = { + { -1.0, -M_PI / 2, }, + { -0.9, -1.119769514998634, }, + { -0.5, -M_PI / 6, }, + { -0.1, -0.1001674211615598, }, + { 0.1, 0.1001674211615598, }, + { 0.5, M_PI / 6, }, + { 0.9, 1.119769514998634, }, + { 1.0, M_PI / 2, }, +}; + +/* + * asin(3) + */ +ATF_TC(asin_nan); +ATF_TC_HEAD(asin_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(NaN) == NaN"); +} + +ATF_TC_BODY(asin_nan, tc) +{ + const double x = 0.0L / 0.0L; + + if (isnan(asin(x)) == 0) + atf_tc_fail_nonfatal("asin(NaN) != NaN"); +} + +ATF_TC(asin_inf_neg); +ATF_TC_HEAD(asin_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(-Inf) == NaN"); +} + +ATF_TC_BODY(asin_inf_neg, tc) +{ + const double x = -1.0L / 0.0L; + + if (isnan(asin(x)) == 0) + atf_tc_fail_nonfatal("asin(-Inf) != NaN"); +} + +ATF_TC(asin_inf_pos); +ATF_TC_HEAD(asin_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(+Inf) == NaN"); +} + +ATF_TC_BODY(asin_inf_pos, tc) +{ + const double x = 1.0L / 0.0L; + + if (isnan(asin(x)) == 0) + atf_tc_fail_nonfatal("asin(+Inf) != NaN"); +} + +ATF_TC(asin_range); +ATF_TC_HEAD(asin_range, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(x) == NaN, x < -1, x > 1"); +} + +ATF_TC_BODY(asin_range, tc) +{ + const double x[] = { -1.1, -1.000000001, 1.1, 1.000000001 }; + size_t i; + + for (i = 0; i < __arraycount(x); i++) { + + if (isnan(asin(x[i])) == 0) + atf_tc_fail_nonfatal("asin(%f) != NaN", x[i]); + } +} + +ATF_TC(asin_inrange); +ATF_TC_HEAD(asin_inrange, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(x) for some values"); +} + +ATF_TC_BODY(asin_inrange, tc) +{ + const double eps = 1.0e-15; + double y; + size_t i; + + for (i = 0; i < __arraycount(values); i++) { + y = asin(values[i].x); + if (fabs(y - values[i].y) > eps) + atf_tc_fail_nonfatal("asin(%g) != %g", + values[i].x, values[i].y); + } +} + +ATF_TC(asin_zero_neg); +ATF_TC_HEAD(asin_zero_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(-0.0) == -0.0"); +} + +ATF_TC_BODY(asin_zero_neg, tc) +{ + const double x = -0.0L; + double y = asin(x); + + if (fabs(y) > 0.0 || signbit(y) == 0) + atf_tc_fail_nonfatal("asin(-0.0) != -0.0"); +} + +ATF_TC(asin_zero_pos); +ATF_TC_HEAD(asin_zero_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asin(+0.0) == +0.0"); +} + +ATF_TC_BODY(asin_zero_pos, tc) +{ + const double x = 0.0L; + double y = asin(x); + + if (fabs(y) > 0.0 || signbit(y) != 0) + atf_tc_fail_nonfatal("asin(+0.0) != +0.0"); +} + +/* + * asinf(3) + */ +ATF_TC(asinf_nan); +ATF_TC_HEAD(asinf_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(NaN) == NaN"); +} + +ATF_TC_BODY(asinf_nan, tc) +{ + const float x = 0.0L / 0.0L; + + if (isnan(asinf(x)) == 0) + atf_tc_fail_nonfatal("asinf(NaN) != NaN"); +} + +ATF_TC(asinf_inf_neg); +ATF_TC_HEAD(asinf_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(-Inf) == NaN"); +} + +ATF_TC_BODY(asinf_inf_neg, tc) +{ + const float x = -1.0L / 0.0L; + + if (isnan(asinf(x)) == 0) + atf_tc_fail_nonfatal("asinf(-Inf) != NaN"); +} + +ATF_TC(asinf_inf_pos); +ATF_TC_HEAD(asinf_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(+Inf) == NaN"); +} + +ATF_TC_BODY(asinf_inf_pos, tc) +{ + const float x = 1.0L / 0.0L; + + if (isnan(asinf(x)) == 0) + atf_tc_fail_nonfatal("asinf(+Inf) != NaN"); +} + +ATF_TC(asinf_range); +ATF_TC_HEAD(asinf_range, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(x) == NaN, x < -1, x > 1"); +} + +ATF_TC_BODY(asinf_range, tc) +{ + const float x[] = { -1.1, -1.0000001, 1.1, 1.0000001 }; + size_t i; + + for (i = 0; i < __arraycount(x); i++) { + + if (isnan(asinf(x[i])) == 0) + atf_tc_fail_nonfatal("asinf(%f) != NaN", x[i]); + } +} + +ATF_TC(asinf_inrange); +ATF_TC_HEAD(asinf_inrange, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(x) for some values"); +} + +ATF_TC_BODY(asinf_inrange, tc) +{ + const float eps = 1.0e-6; + float x; + float y; + size_t i; + + for (i = 0; i < __arraycount(values); i++) { + x = values[i].x; + y = values[i].y; + if (fabs(asinf(x) - y) > eps) + atf_tc_fail_nonfatal("asinf(%g) != %g", x, y); + } +} + +ATF_TC(asinf_zero_neg); +ATF_TC_HEAD(asinf_zero_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(-0.0) == -0.0"); +} + +ATF_TC_BODY(asinf_zero_neg, tc) +{ + const float x = -0.0L; + float y = asinf(x); + + if (fabsf(y) > 0.0 || signbit(y) == 0) + atf_tc_fail_nonfatal("asinf(-0.0) != -0.0"); +} + +ATF_TC(asinf_zero_pos); +ATF_TC_HEAD(asinf_zero_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test asinf(+0.0) == +0.0"); +} + +ATF_TC_BODY(asinf_zero_pos, tc) +{ + const float x = 0.0L; + float y = asinf(x); + + if (fabsf(y) > 0.0 || signbit(y) != 0) + atf_tc_fail_nonfatal("asinf(+0.0) != +0.0"); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, asin_nan); + ATF_TP_ADD_TC(tp, asin_inf_neg); + ATF_TP_ADD_TC(tp, asin_inf_pos); + ATF_TP_ADD_TC(tp, asin_range); + ATF_TP_ADD_TC(tp, asin_inrange); + ATF_TP_ADD_TC(tp, asin_zero_neg); + ATF_TP_ADD_TC(tp, asin_zero_pos); + + ATF_TP_ADD_TC(tp, asinf_nan); + ATF_TP_ADD_TC(tp, asinf_inf_neg); + ATF_TP_ADD_TC(tp, asinf_inf_pos); + ATF_TP_ADD_TC(tp, asinf_range); + ATF_TP_ADD_TC(tp, asinf_inrange); + ATF_TP_ADD_TC(tp, asinf_zero_neg); + ATF_TP_ADD_TC(tp, asinf_zero_pos); + + return atf_no_error(); +} |
