115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/* $NetBSD: t_ceil.c,v 1.6 2011/09/12 17:15:54 jruoho 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 <sys/cdefs.h>
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__RCSID("$NetBSD: t_ceil.c,v 1.6 2011/09/12 17:15:54 jruoho Exp $");
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#include <atf-c.h>
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#include <math.h>
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#include <limits.h>
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#include <stdio.h>
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#ifdef __vax__
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#define SMALL_NUM 1.0e-38
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#else
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#define SMALL_NUM 1.0e-40
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#endif
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ATF_TC(ceil_basic);
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ATF_TC_HEAD(ceil_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A basic test of ceil(3)");
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}
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ATF_TC_BODY(ceil_basic, tc)
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{
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const double x = 0.999999999999999;
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const double y = 0.000000000000001;
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ATF_CHECK(fabs(ceil(x) - 1) < SMALL_NUM);
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ATF_CHECK(fabs(ceil(y) - 1) < SMALL_NUM);
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}
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ATF_TC(ceilf_basic);
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ATF_TC_HEAD(ceilf_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A basic test of ceilf(3)");
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}
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ATF_TC_BODY(ceilf_basic, tc)
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{
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const float x = 0.9999999;
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const float y = 0.0000001;
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ATF_CHECK(fabsf(ceilf(x) - 1) < SMALL_NUM);
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ATF_CHECK(fabsf(ceilf(y) - 1) < SMALL_NUM);
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}
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ATF_TC(floor_basic);
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ATF_TC_HEAD(floor_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A basic test of floor(3)");
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}
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ATF_TC_BODY(floor_basic, tc)
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{
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const double x = 0.999999999999999;
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const double y = 0.000000000000001;
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ATF_CHECK(floor(x) < SMALL_NUM);
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ATF_CHECK(floor(y) < SMALL_NUM);
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}
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ATF_TC(floorf_basic);
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ATF_TC_HEAD(floorf_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A basic test of floorf(3)");
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}
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ATF_TC_BODY(floorf_basic, tc)
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{
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const float x = 0.9999999;
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const float y = 0.0000001;
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ATF_CHECK(floorf(x) < SMALL_NUM);
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ATF_CHECK(floorf(y) < SMALL_NUM);
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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, ceil_basic);
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ATF_TP_ADD_TC(tp, ceilf_basic);
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ATF_TP_ADD_TC(tp, floor_basic);
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ATF_TP_ADD_TC(tp, floorf_basic);
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return atf_no_error();
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}
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