diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libm/t_erf.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libm/t_erf.c | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libm/t_erf.c b/contrib/netbsd-tests/lib/libm/t_erf.c new file mode 100644 index 0000000..25bbae7 --- /dev/null +++ b/contrib/netbsd-tests/lib/libm/t_erf.c @@ -0,0 +1,299 @@ +/* $NetBSD: t_erf.c,v 1.2 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 <sys/cdefs.h> +__RCSID("$NetBSD: t_erf.c,v 1.2 2014/03/03 10:39:08 martin Exp $"); + +#include <atf-c.h> +#include <math.h> + +/* + * erf(3) + */ +ATF_TC(erf_nan); +ATF_TC_HEAD(erf_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erf(NaN) == NaN"); +} + +ATF_TC_BODY(erf_nan, tc) +{ + const double x = 0.0L / 0.0L; + + ATF_CHECK(isnan(erf(x)) != 0); +} + +ATF_TC(erf_inf_neg); +ATF_TC_HEAD(erf_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erf(-Inf) == -1.0"); +} + +ATF_TC_BODY(erf_inf_neg, tc) +{ + const double x = -1.0L / 0.0L; + + if (erf(x) != -1.0) + atf_tc_fail_nonfatal("erf(-Inf) != -1.0"); +} + +ATF_TC(erf_inf_pos); +ATF_TC_HEAD(erf_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erf(+Inf) == 1.0"); +} + +ATF_TC_BODY(erf_inf_pos, tc) +{ + const double x = 1.0L / 0.0L; + + if (erf(x) != 1.0) + atf_tc_fail_nonfatal("erf(+Inf) != 1.0"); +} + +ATF_TC(erf_zero_neg); +ATF_TC_HEAD(erf_zero_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erf(-0.0) == -0.0"); +} + +ATF_TC_BODY(erf_zero_neg, tc) +{ + const double x = -0.0L; + double y = erf(x); + + if (fabs(y) > 0.0 || signbit(y) == 0) + atf_tc_fail_nonfatal("erf(-0.0) != -0.0"); +} + +ATF_TC(erf_zero_pos); +ATF_TC_HEAD(erf_zero_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erf(+0.0) == +0.0"); +} + +ATF_TC_BODY(erf_zero_pos, tc) +{ + const double x = 0.0L; + double y = erf(x); + + if (fabs(y) > 0.0 || signbit(y) != 0) + atf_tc_fail_nonfatal("erf(+0.0) != +0.0"); +} + +/* + * erff(3) + */ +ATF_TC(erff_nan); +ATF_TC_HEAD(erff_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erff(NaN) == NaN"); +} + +ATF_TC_BODY(erff_nan, tc) +{ + const float x = 0.0L / 0.0L; + + ATF_CHECK(isnan(erff(x)) != 0); +} + +ATF_TC(erff_inf_neg); +ATF_TC_HEAD(erff_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erff(-Inf) == -1.0"); +} + +ATF_TC_BODY(erff_inf_neg, tc) +{ + const float x = -1.0L / 0.0L; + + if (erff(x) != -1.0) + atf_tc_fail_nonfatal("erff(-Inf) != -1.0"); +} + +ATF_TC(erff_inf_pos); +ATF_TC_HEAD(erff_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erff(+Inf) == 1.0"); +} + +ATF_TC_BODY(erff_inf_pos, tc) +{ + const float x = 1.0L / 0.0L; + + if (erff(x) != 1.0) + atf_tc_fail_nonfatal("erff(+Inf) != 1.0"); +} + +ATF_TC(erff_zero_neg); +ATF_TC_HEAD(erff_zero_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erff(-0.0) == -0.0"); +} + +ATF_TC_BODY(erff_zero_neg, tc) +{ + const float x = -0.0L; + float y = erff(x); + + if (fabsf(y) > 0.0 || signbit(y) == 0) + atf_tc_fail_nonfatal("erff(-0.0) != -0.0"); +} + +ATF_TC(erff_zero_pos); +ATF_TC_HEAD(erff_zero_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erff(+0.0) == +0.0"); +} + +ATF_TC_BODY(erff_zero_pos, tc) +{ + const float x = 0.0L; + float y = erff(x); + + if (fabsf(y) > 0.0 || signbit(y) != 0) + atf_tc_fail_nonfatal("erff(+0.0) != +0.0"); +} + +/* + * erfc(3) + */ +ATF_TC(erfc_nan); +ATF_TC_HEAD(erfc_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erfc(NaN) == NaN"); +} + +ATF_TC_BODY(erfc_nan, tc) +{ + const double x = 0.0L / 0.0L; + + ATF_CHECK(isnan(erfc(x)) != 0); +} + +ATF_TC(erfc_inf_neg); +ATF_TC_HEAD(erfc_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erfc(-Inf) == 2.0"); +} + +ATF_TC_BODY(erfc_inf_neg, tc) +{ + const double x = -1.0L / 0.0L; + + if (erfc(x) != 2.0) + atf_tc_fail_nonfatal("erfc(-Inf) != 2.0"); +} + +ATF_TC(erfc_inf_pos); +ATF_TC_HEAD(erfc_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erfc(+Inf) == +0.0"); +} + +ATF_TC_BODY(erfc_inf_pos, tc) +{ + const double x = 1.0L / 0.0L; + double y = erfc(x); + + if (fabs(y) > 0.0 || signbit(y) != 0) + atf_tc_fail_nonfatal("erfc(+Inf) != +0.0"); +} + +/* + * erfcf(3) + */ +ATF_TC(erfcf_nan); +ATF_TC_HEAD(erfcf_nan, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erfcf(NaN) == NaN"); +} + +ATF_TC_BODY(erfcf_nan, tc) +{ + const float x = 0.0L / 0.0L; + + ATF_CHECK(isnan(erfcf(x)) != 0); +} + +ATF_TC(erfcf_inf_neg); +ATF_TC_HEAD(erfcf_inf_neg, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erfcf(-Inf) == 2.0"); +} + +ATF_TC_BODY(erfcf_inf_neg, tc) +{ + const float x = -1.0L / 0.0L; + + if (erfcf(x) != 2.0) + atf_tc_fail_nonfatal("erfcf(-Inf) != 2.0"); +} + +ATF_TC(erfcf_inf_pos); +ATF_TC_HEAD(erfcf_inf_pos, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test erfcf(+Inf) == +0.0"); +} + +ATF_TC_BODY(erfcf_inf_pos, tc) +{ + const float x = 1.0L / 0.0L; + float y = erfcf(x); + + if (fabsf(y) > 0.0 || signbit(y) != 0) + atf_tc_fail_nonfatal("erfcf(+Inf) != +0.0"); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, erf_nan); + ATF_TP_ADD_TC(tp, erf_inf_neg); + ATF_TP_ADD_TC(tp, erf_inf_pos); + ATF_TP_ADD_TC(tp, erf_zero_neg); + ATF_TP_ADD_TC(tp, erf_zero_pos); + + ATF_TP_ADD_TC(tp, erff_nan); + ATF_TP_ADD_TC(tp, erff_inf_neg); + ATF_TP_ADD_TC(tp, erff_inf_pos); + ATF_TP_ADD_TC(tp, erff_zero_neg); + ATF_TP_ADD_TC(tp, erff_zero_pos); + + ATF_TP_ADD_TC(tp, erfc_nan); + ATF_TP_ADD_TC(tp, erfc_inf_neg); + ATF_TP_ADD_TC(tp, erfc_inf_pos); + + ATF_TP_ADD_TC(tp, erfcf_nan); + ATF_TP_ADD_TC(tp, erfcf_inf_neg); + ATF_TP_ADD_TC(tp, erfcf_inf_pos); + + return atf_no_error(); +} |
