freebsd-dev/contrib/netbsd-tests/lib/libm/t_modf.c
Enji Cooper 57718be8fa Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,
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
2014-10-02 23:26:49 +00:00

69 lines
2.3 KiB
C

/* $NetBSD: t_modf.c,v 1.1 2014/06/16 12:54:43 joerg Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Joerg Sonnenberger.
*
* 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 <atf-c.h>
#include <float.h>
#include <math.h>
ATF_TC(modf);
ATF_TC_HEAD(modf, tc)
{
atf_tc_set_md_var(tc, "descr","Check modf family");
}
ATF_TC_BODY(modf, tc)
{
float basef;
double base;
long double basel;
ATF_CHECK(modff(1.0, &basef) == 0.0);
ATF_CHECK(basef == 1.0);
ATF_CHECK(modf(1.0, &base) == 0.0);
ATF_CHECK(base == 1.0);
ATF_CHECK(modfl(1.0, &basel) == 0.0);
ATF_CHECK(basel == 1.0);
ATF_CHECK(modff(-1 - FLT_EPSILON, &basef) == -FLT_EPSILON);
ATF_CHECK(basef == -1.0);
ATF_CHECK(modf(-1 - DBL_EPSILON, &base) == -DBL_EPSILON);
ATF_CHECK(base == -1.0);
ATF_CHECK(modfl(-1 - LDBL_EPSILON, &basel) == -LDBL_EPSILON);
ATF_CHECK(basel == -1.0);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, modf);
return atf_no_error();
}