NetBSD/tests/lib/libm/t_sinh.c
2011-10-18 14:16:42 +00:00

291 lines
6.2 KiB
C

/* $NetBSD: t_sinh.c,v 1.4 2011/10/18 14:16:42 jruoho 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_sinh.c,v 1.4 2011/10/18 14:16:42 jruoho Exp $");
#include <atf-c.h>
#include <math.h>
#include <stdio.h>
/*
* sinh(3)
*/
ATF_TC(sinh_def);
ATF_TC_HEAD(sinh_def, tc)
{
atf_tc_set_md_var(tc, "descr", "Test the definition of sinh(3)");
}
ATF_TC_BODY(sinh_def, tc)
{
#ifndef __vax__
const double x[] = { 0.005, 0.05, 0.0, 1.0, 10.0, 20.0 };
const double eps = 1.0e-4;
double y, z;
size_t i;
for (i = 0; i < __arraycount(x); i++) {
y = sinh(x[i]);
z = (exp(x[i]) - exp(-x[i])) / 2;
(void)fprintf(stderr,
"sinh(%0.03f) = %f\n(exp(%0.03f) - "
"exp(-%0.03f)) / 2 = %f\n", x[i], y, x[i], x[i], z);
if (fabs(y - z) > eps)
atf_tc_fail_nonfatal("sinh(%0.03f) != %0.03f\n",
x[i], z);
}
#endif
}
ATF_TC(sinh_nan);
ATF_TC_HEAD(sinh_nan, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinh(NaN) == NaN");
}
ATF_TC_BODY(sinh_nan, tc)
{
#ifndef __vax__
const double x = 0.0L / 0.0L;
ATF_CHECK(isnan(x) != 0);
ATF_CHECK(isnan(sinh(x)) != 0);
#endif
}
ATF_TC(sinh_inf_neg);
ATF_TC_HEAD(sinh_inf_neg, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinh(-Inf) == -Inf");
}
ATF_TC_BODY(sinh_inf_neg, tc)
{
#ifndef __vax__
const double x = -1.0L / 0.0L;
double y = sinh(x);
ATF_CHECK(isinf(y) != 0);
ATF_CHECK(signbit(y) != 0);
#endif
}
ATF_TC(sinh_inf_pos);
ATF_TC_HEAD(sinh_inf_pos, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinh(+Inf) == +Inf");
}
ATF_TC_BODY(sinh_inf_pos, tc)
{
#ifndef __vax__
const double x = 1.0L / 0.0L;
double y = sinh(x);
ATF_CHECK(isinf(y) != 0);
ATF_CHECK(signbit(y) == 0);
#endif
}
ATF_TC(sinh_zero_neg);
ATF_TC_HEAD(sinh_zero_neg, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinh(-0.0) == -0.0");
}
ATF_TC_BODY(sinh_zero_neg, tc)
{
#ifndef __vax__
const double x = -0.0L;
double y = sinh(x);
if (fabs(y) > 0.0 || signbit(y) == 0)
atf_tc_fail_nonfatal("sinh(-0.0) != -0.0");
#endif
}
ATF_TC(sinh_zero_pos);
ATF_TC_HEAD(sinh_zero_pos, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinh(+0.0) == +0.0");
}
ATF_TC_BODY(sinh_zero_pos, tc)
{
#ifndef __vax__
const double x = 0.0L;
double y = sinh(x);
if (fabs(y) > 0.0 || signbit(y) != 0)
atf_tc_fail_nonfatal("sinh(+0.0) != +0.0");
#endif
}
/*
* sinhf(3)
*/
ATF_TC(sinhf_def);
ATF_TC_HEAD(sinhf_def, tc)
{
atf_tc_set_md_var(tc, "descr", "Test the definition of sinhf(3)");
}
ATF_TC_BODY(sinhf_def, tc)
{
#ifndef __vax__
const float x[] = { 0.005, 0.05, 0.0, 1.0, 10.0, 20.0 };
const float eps = 1.0e-2;
float y, z;
size_t i;
for (i = 0; i < __arraycount(x); i++) {
y = sinhf(x[i]);
z = (expf(x[i]) - expf(-x[i])) / 2;
(void)fprintf(stderr,
"sinhf(%0.03f) = %f\n(expf(%0.03f) - "
"expf(-%0.03f)) / 2 = %f\n", x[i], y, x[i], x[i], z);
if (fabsf(y - z) > eps)
atf_tc_fail_nonfatal("sinhf(%0.03f) != %0.03f\n",
x[i], z);
}
#endif
}
ATF_TC(sinhf_nan);
ATF_TC_HEAD(sinhf_nan, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinhf(NaN) == NaN");
}
ATF_TC_BODY(sinhf_nan, tc)
{
#ifndef __vax__
const float x = 0.0L / 0.0L;
ATF_CHECK(isnan(x) != 0);
ATF_CHECK(isnan(sinhf(x)) != 0);
#endif
}
ATF_TC(sinhf_inf_neg);
ATF_TC_HEAD(sinhf_inf_neg, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinhf(-Inf) == -Inf");
}
ATF_TC_BODY(sinhf_inf_neg, tc)
{
#ifndef __vax__
const float x = -1.0L / 0.0L;
float y = sinhf(x);
ATF_CHECK(isinf(y) != 0);
ATF_CHECK(signbit(y) != 0);
#endif
}
ATF_TC(sinhf_inf_pos);
ATF_TC_HEAD(sinhf_inf_pos, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinhf(+Inf) == +Inf");
}
ATF_TC_BODY(sinhf_inf_pos, tc)
{
#ifndef __vax__
const float x = 1.0L / 0.0L;
float y = sinhf(x);
ATF_CHECK(isinf(y) != 0);
ATF_CHECK(signbit(y) == 0);
#endif
}
ATF_TC(sinhf_zero_neg);
ATF_TC_HEAD(sinhf_zero_neg, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinhf(-0.0) == -0.0");
}
ATF_TC_BODY(sinhf_zero_neg, tc)
{
#ifndef __vax__
const float x = -0.0L;
float y = sinhf(x);
if (fabsf(y) > 0.0 || signbit(y) == 0)
atf_tc_fail_nonfatal("sinhf(-0.0) != -0.0");
#endif
}
ATF_TC(sinhf_zero_pos);
ATF_TC_HEAD(sinhf_zero_pos, tc)
{
atf_tc_set_md_var(tc, "descr", "Test sinhf(+0.0) == +0.0");
}
ATF_TC_BODY(sinhf_zero_pos, tc)
{
#ifndef __vax__
const float x = 0.0L;
float y = sinhf(x);
if (fabsf(y) > 0.0 || signbit(y) != 0)
atf_tc_fail_nonfatal("sinhf(+0.0) != +0.0");
#endif
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, sinh_def);
ATF_TP_ADD_TC(tp, sinh_nan);
ATF_TP_ADD_TC(tp, sinh_inf_neg);
ATF_TP_ADD_TC(tp, sinh_inf_pos);
ATF_TP_ADD_TC(tp, sinh_zero_neg);
ATF_TP_ADD_TC(tp, sinh_zero_pos);
ATF_TP_ADD_TC(tp, sinhf_def);
ATF_TP_ADD_TC(tp, sinhf_nan);
ATF_TP_ADD_TC(tp, sinhf_inf_neg);
ATF_TP_ADD_TC(tp, sinhf_inf_pos);
ATF_TP_ADD_TC(tp, sinhf_zero_neg);
ATF_TP_ADD_TC(tp, sinhf_zero_pos);
return atf_no_error();
}