Afterd3338f3355
, the lib/msun test case 'hypotl_near_underflow' would fail to compile on platforms where long doubles weren't 80 bit, like on x86. Disable this particular test on such platforms for now. PR: 253313 MFC after: 1 week X-MFC-With:d3338f3355
106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/* $NetBSD: t_hypot.c,v 1.1 2016/01/24 20:26:47 gson Exp $ */
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/*-
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* Copyright (c) 2016 The NetBSD Foundation, Inc.
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* All rights reserved.
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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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ATF_TC(hypot_integer);
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ATF_TC_HEAD(hypot_integer, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test hypot with integer args");
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}
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ATF_TC_BODY(hypot_integer, tc)
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{
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/* volatile so hypotf() won't be evaluated at compile time */
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volatile double a = 5;
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volatile double b = 12;
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ATF_CHECK(hypot(a, b) == 13.0);
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}
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ATF_TC(hypotf_integer);
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ATF_TC_HEAD(hypotf_integer, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test hypotf with integer args");
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}
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ATF_TC_BODY(hypotf_integer, tc)
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{
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volatile float a = 5;
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volatile float b = 12;
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ATF_CHECK(hypotf(a, b) == 13.0f);
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}
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ATF_TC(pr50698);
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ATF_TC_HEAD(pr50698, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Check for the bug of PR 50698");
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}
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ATF_TC_BODY(pr50698, tc)
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{
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volatile float a = 1e-18f;
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float val = hypotf(a, a);
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ATF_CHECK(!isinf(val));
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ATF_CHECK(!isnan(val));
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}
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#if __LDBL_MANT_DIG__ == 64
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ATF_TC(hypotl_near_underflow);
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ATF_TC_HEAD(hypotl_near_underflow, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Test hypotl near underflow");
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}
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ATF_TC_BODY(hypotl_near_underflow, tc)
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{
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volatile long double a = 0x1.b2933cafa0bb7p-16383L;
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volatile long double b = 0x1.fffffffffffffp-16351L;
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volatile long double e = 0x1.fffffffffffffp-16351L;
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volatile long double ulp = __LDBL_EPSILON__;
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volatile long double val = hypotl(a, b);
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ATF_CHECK(!isinf(val));
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ATF_CHECK(fabsl(val - e) <= 2 * ulp);
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}
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#endif /* __LDBL_MANT_DIG__ == 64 */
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, hypot_integer);
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ATF_TP_ADD_TC(tp, hypotf_integer);
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ATF_TP_ADD_TC(tp, pr50698);
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#if __LDBL_MANT_DIG__ == 64
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ATF_TP_ADD_TC(tp, hypotl_near_underflow);
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#endif /* __LDBL_MANT_DIG__ == 64 */
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return atf_no_error();
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}
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