57718be8fa
minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/* $NetBSD: t_atan.c,v 1.15 2014/03/17 11:08:11 martin Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jukka Ruohonen.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <atf-c.h>
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#include <math.h>
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#include "t_libm.h"
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static const struct {
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double x;
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double y;
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} values[] = {
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#ifndef __vax__
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/* vax has no +/- INF */
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{ T_LIBM_MINUS_INF, -M_PI / 2 },
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{ T_LIBM_PLUS_INF, M_PI / 2 },
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#endif
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{ -100, -1.560796660108231, },
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{ -10, -1.471127674303735, },
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{ -1, -M_PI / 4, },
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{ -0.1, -0.09966865249116204, },
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{ 0.1, 0.09966865249116204, },
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{ 1, M_PI / 4, },
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{ 10, 1.471127674303735, },
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{ 100, 1.560796660108231, },
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};
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/*
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* atan(3)
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*/
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ATF_LIBM_TEST(atan_nan, "Test atan/atanf(NaN) == NaN")
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{
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#ifdef T_LIBM_NAN
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T_LIBM_CHECK_NAN(0, atan, T_LIBM_NAN);
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T_LIBM_CHECK_NAN(0, atanf, T_LIBM_NAN);
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#else
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atf_tc_skip("no NaN on this machine");
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#endif
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}
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ATF_LIBM_TEST(atan_inrange, "Test atan/atanf(x) for some values")
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{
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unsigned int i;
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for (i = 0; i < __arraycount(values); i++) {
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T_LIBM_CHECK(i, atan, values[i].x, values[i].y, 1.0e-15);
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T_LIBM_CHECK(i, atanf, values[i].x, values[i].y, 1.0e-7);
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}
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}
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ATF_LIBM_TEST(atan_zero_neg, "Test atan/atanf(-0.0) == -0.0")
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{
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T_LIBM_CHECK_MINUS_ZERO(0, atan, -0.0);
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T_LIBM_CHECK_MINUS_ZERO(0, atanf, -0.0);
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}
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ATF_LIBM_TEST(atan_zero_pos, "Test atan/atanf(+0.0) == +0.0")
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{
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T_LIBM_CHECK_PLUS_ZERO(0, atan, +0.0);
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T_LIBM_CHECK_PLUS_ZERO(0, atanf, +0.0);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, atan_nan);
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ATF_TP_ADD_TC(tp, atan_inrange);
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ATF_TP_ADD_TC(tp, atan_zero_neg);
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ATF_TP_ADD_TC(tp, atan_zero_pos);
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return atf_no_error();
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}
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