Module Name: src Committed By: riastradh Date: Mon Sep 9 15:08:23 UTC 2024
Added Files: src/tests/lib/libm: t_errhandling.c Log Message: math.h: Add missing file for math_errhandling test. PR standards/56234: missing C99 frobs in <math.h> To generate a diff of this commit: cvs rdiff -u -r0 -r1.1 src/tests/lib/libm/t_errhandling.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Added files: Index: src/tests/lib/libm/t_errhandling.c diff -u /dev/null src/tests/lib/libm/t_errhandling.c:1.1 --- /dev/null Mon Sep 9 15:08:23 2024 +++ src/tests/lib/libm/t_errhandling.c Mon Sep 9 15:08:23 2024 @@ -0,0 +1,95 @@ +/* $NetBSD: t_errhandling.c,v 1.1 2024/09/09 15:08:23 riastradh Exp $ */ + +/*- + * Copyright (c) 2024 The NetBSD Foundation, Inc. + * All rights reserved. + * + * 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_errhandling.c,v 1.1 2024/09/09 15:08:23 riastradh Exp $"); + +#include <atf-c.h> +#include <errno.h> +#include <fenv.h> +#include <math.h> + +ATF_TC(log); +ATF_TC_HEAD(log, tc) +{ + atf_tc_set_md_var(tc, "descr", "log of invalid"); +} +ATF_TC_BODY(log, tc) +{ + static const struct { +#ifdef __HAVE_FENV + double x; + int e; +#define C(x, e) { x, e } +#else + double x; +#define C(x, e) { x } +#endif + } cases[] = { + C(0, FE_DIVBYZERO), + C(-0., FE_DIVBYZERO), + C(-1, FE_INVALID), + C(-HUGE_VAL, FE_INVALID), + }; + volatile double y; +#ifdef __HAVE_FENV + int except; +#endif + unsigned i; + + for (i = 0; i < __arraycount(cases); i++) { + const volatile double x = cases[i].x; + +#ifdef __HAVE_FENV + feclearexcept(FE_ALL_EXCEPT); +#endif + errno = 0; + y = log(x); + if (math_errhandling & MATH_ERREXCEPT) { +#ifdef __HAVE_FENV + ATF_CHECK_MSG(((except = fetestexcept(FE_ALL_EXCEPT)) & + cases[i].e) != 0, + "expected=0x%x actual=0x%x", cases[i].e, except); +#else + atf_tc_fail_nonfatal("MATH_ERREXCEPT but no fenv.h"); +#endif + } + if (math_errhandling & MATH_ERRNO) + ATF_CHECK_EQ_MSG(errno, EDOM, "errno=%d", errno); + } + + __USE(y); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, log); + + return atf_no_error(); +}