I did this without a full vendor update since that would cause too many conflicts. Since these files now almost match the NetBSD sources the next git subtree merge should work just fine. Reviewed By: lwhsu Differential Revision: https://reviews.freebsd.org/D28797
221 lines
5.3 KiB
C
221 lines
5.3 KiB
C
/* $NetBSD: t_fenv.c,v 1.6 2019/04/25 20:48:54 kamil Exp $ */
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/*-
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* Copyright (c) 2014 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 Martin Husemann.
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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 <sys/cdefs.h>
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__RCSID("$NetBSD: t_fenv.c,v 1.6 2019/04/25 20:48:54 kamil Exp $");
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#include <atf-c.h>
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#include <fenv.h>
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#ifdef __HAVE_FENV
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#include <ieeefp.h>
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#include <stdlib.h>
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#if (__arm__ && !__SOFTFP__) || __aarch64__
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/*
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* Some NEON fpus do not trap on IEEE 754 FP exceptions.
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* Skip these tests if running on them and compiled for
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* hard float.
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*/
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#define FPU_EXC_PREREQ() \
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if (0 == fpsetmask(fpsetmask(FP_X_INV))) \
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atf_tc_skip("FPU does not implement traps on FP exceptions");
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/*
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* Same as above: some don't allow configuring the rounding mode.
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*/
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#define FPU_RND_PREREQ() \
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if (0 == fpsetround(fpsetround(FP_RZ))) \
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atf_tc_skip("FPU does not implement configurable " \
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"rounding modes");
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#endif
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#ifndef FPU_EXC_PREREQ
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#define FPU_EXC_PREREQ() /* nothing */
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#endif
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#ifndef FPU_RND_PREREQ
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#define FPU_RND_PREREQ() /* nothing */
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#endif
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ATF_TC(fegetround);
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ATF_TC_HEAD(fegetround, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"verify the fegetround() function agrees with the legacy "
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"fpsetround");
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}
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ATF_TC_BODY(fegetround, tc)
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{
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FPU_RND_PREREQ();
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fpsetround(FP_RZ);
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ATF_CHECK(fegetround() == FE_TOWARDZERO);
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fpsetround(FP_RM);
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ATF_CHECK(fegetround() == FE_DOWNWARD);
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fpsetround(FP_RN);
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ATF_CHECK(fegetround() == FE_TONEAREST);
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fpsetround(FP_RP);
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ATF_CHECK(fegetround() == FE_UPWARD);
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}
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ATF_TC(fesetround);
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ATF_TC_HEAD(fesetround, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"verify the fesetround() function agrees with the legacy "
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"fpgetround");
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}
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ATF_TC_BODY(fesetround, tc)
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{
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FPU_RND_PREREQ();
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fesetround(FE_TOWARDZERO);
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ATF_CHECK(fpgetround() == FP_RZ);
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fesetround(FE_DOWNWARD);
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ATF_CHECK(fpgetround() == FP_RM);
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fesetround(FE_TONEAREST);
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ATF_CHECK(fpgetround() == FP_RN);
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fesetround(FE_UPWARD);
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ATF_CHECK(fpgetround() == FP_RP);
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}
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ATF_TC(fegetexcept);
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ATF_TC_HEAD(fegetexcept, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"verify the fegetexcept() function agrees with the legacy "
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"fpsetmask()");
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}
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ATF_TC_BODY(fegetexcept, tc)
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{
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FPU_EXC_PREREQ();
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fpsetmask(0);
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ATF_CHECK(fegetexcept() == 0);
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fpsetmask(FP_X_INV|FP_X_DZ|FP_X_OFL|FP_X_UFL|FP_X_IMP);
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ATF_CHECK(fegetexcept() == (FE_INVALID|FE_DIVBYZERO|FE_OVERFLOW
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|FE_UNDERFLOW|FE_INEXACT));
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fpsetmask(FP_X_INV);
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ATF_CHECK(fegetexcept() == FE_INVALID);
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fpsetmask(FP_X_DZ);
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ATF_CHECK(fegetexcept() == FE_DIVBYZERO);
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fpsetmask(FP_X_OFL);
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ATF_CHECK(fegetexcept() == FE_OVERFLOW);
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fpsetmask(FP_X_UFL);
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ATF_CHECK(fegetexcept() == FE_UNDERFLOW);
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fpsetmask(FP_X_IMP);
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ATF_CHECK(fegetexcept() == FE_INEXACT);
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}
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ATF_TC(feenableexcept);
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ATF_TC_HEAD(feenableexcept, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"verify the feenableexcept() function agrees with the legacy "
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"fpgetmask()");
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}
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ATF_TC_BODY(feenableexcept, tc)
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{
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FPU_EXC_PREREQ();
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fedisableexcept(FE_ALL_EXCEPT);
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ATF_CHECK(fpgetmask() == 0);
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feenableexcept(FE_UNDERFLOW);
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ATF_CHECK(fpgetmask() == FP_X_UFL);
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fedisableexcept(FE_ALL_EXCEPT);
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feenableexcept(FE_OVERFLOW);
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ATF_CHECK(fpgetmask() == FP_X_OFL);
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fedisableexcept(FE_ALL_EXCEPT);
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feenableexcept(FE_DIVBYZERO);
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ATF_CHECK(fpgetmask() == FP_X_DZ);
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fedisableexcept(FE_ALL_EXCEPT);
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feenableexcept(FE_INEXACT);
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ATF_CHECK(fpgetmask() == FP_X_IMP);
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fedisableexcept(FE_ALL_EXCEPT);
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feenableexcept(FE_INVALID);
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ATF_CHECK(fpgetmask() == FP_X_INV);
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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, fegetround);
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ATF_TP_ADD_TC(tp, fesetround);
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ATF_TP_ADD_TC(tp, fegetexcept);
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ATF_TP_ADD_TC(tp, feenableexcept);
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return atf_no_error();
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}
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#else /* no fenv.h support */
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ATF_TC(t_nofenv);
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ATF_TC_HEAD(t_nofenv, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"dummy test case - no fenv.h support");
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}
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ATF_TC_BODY(t_nofenv, tc)
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{
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atf_tc_skip("no fenv.h support on this architecture");
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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, t_nofenv);
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return atf_no_error();
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}
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#endif
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