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t_modf.c revision 1.1.2.2
      1  1.1.2.2  tls /* $NetBSD: t_modf.c,v 1.1.2.2 2014/08/10 06:57:22 tls Exp $ */
      2  1.1.2.2  tls 
      3  1.1.2.2  tls /*-
      4  1.1.2.2  tls  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  1.1.2.2  tls  * All rights reserved.
      6  1.1.2.2  tls  *
      7  1.1.2.2  tls  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.2.2  tls  * by Joerg Sonnenberger.
      9  1.1.2.2  tls  *
     10  1.1.2.2  tls  * Redistribution and use in source and binary forms, with or without
     11  1.1.2.2  tls  * modification, are permitted provided that the following conditions
     12  1.1.2.2  tls  * are met:
     13  1.1.2.2  tls  * 1. Redistributions of source code must retain the above copyright
     14  1.1.2.2  tls  *    notice, this list of conditions and the following disclaimer.
     15  1.1.2.2  tls  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1.2.2  tls  *    notice, this list of conditions and the following disclaimer in the
     17  1.1.2.2  tls  *    documentation and/or other materials provided with the distribution.
     18  1.1.2.2  tls  *
     19  1.1.2.2  tls  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1.2.2  tls  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1.2.2  tls  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1.2.2  tls  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1.2.2  tls  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1.2.2  tls  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1.2.2  tls  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1.2.2  tls  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1.2.2  tls  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1.2.2  tls  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1.2.2  tls  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1.2.2  tls  */
     31  1.1.2.2  tls 
     32  1.1.2.2  tls #include <atf-c.h>
     33  1.1.2.2  tls #include <float.h>
     34  1.1.2.2  tls #include <math.h>
     35  1.1.2.2  tls 
     36  1.1.2.2  tls ATF_TC(modf);
     37  1.1.2.2  tls ATF_TC_HEAD(modf, tc)
     38  1.1.2.2  tls {
     39  1.1.2.2  tls 	atf_tc_set_md_var(tc, "descr","Check modf family");
     40  1.1.2.2  tls }
     41  1.1.2.2  tls 
     42  1.1.2.2  tls ATF_TC_BODY(modf, tc)
     43  1.1.2.2  tls {
     44  1.1.2.2  tls 	float basef;
     45  1.1.2.2  tls 	double base;
     46  1.1.2.2  tls 	long double basel;
     47  1.1.2.2  tls 	ATF_CHECK(modff(1.0, &basef) == 0.0);
     48  1.1.2.2  tls 	ATF_CHECK(basef == 1.0);
     49  1.1.2.2  tls 	ATF_CHECK(modf(1.0, &base) == 0.0);
     50  1.1.2.2  tls 	ATF_CHECK(base == 1.0);
     51  1.1.2.2  tls 	ATF_CHECK(modfl(1.0, &basel) == 0.0);
     52  1.1.2.2  tls 	ATF_CHECK(basel == 1.0);
     53  1.1.2.2  tls 
     54  1.1.2.2  tls 	ATF_CHECK(modff(-1 - FLT_EPSILON, &basef) == -FLT_EPSILON);
     55  1.1.2.2  tls 	ATF_CHECK(basef == -1.0);
     56  1.1.2.2  tls 	ATF_CHECK(modf(-1 - DBL_EPSILON, &base) == -DBL_EPSILON);
     57  1.1.2.2  tls 	ATF_CHECK(base == -1.0);
     58  1.1.2.2  tls 	ATF_CHECK(modfl(-1 - LDBL_EPSILON, &basel) == -LDBL_EPSILON);
     59  1.1.2.2  tls 	ATF_CHECK(basel == -1.0);
     60  1.1.2.2  tls }
     61  1.1.2.2  tls 
     62  1.1.2.2  tls ATF_TP_ADD_TCS(tp)
     63  1.1.2.2  tls {
     64  1.1.2.2  tls 
     65  1.1.2.2  tls 	ATF_TP_ADD_TC(tp, modf);
     66  1.1.2.2  tls 
     67  1.1.2.2  tls 	return atf_no_error();
     68  1.1.2.2  tls }
     69