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t_fmod.c revision 1.1 
      1 /* $NetBSD: t_fmod.c,v 1.1 2013/11/12 16:48:39 joerg Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Joerg Sonnenberger.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <atf-c.h>
     33 #include <float.h>
     34 #include <math.h>
     35 
     36 ATF_TC(fmod);
     37 ATF_TC_HEAD(fmod, tc)
     38 {
     39 	atf_tc_set_md_var(tc, "descr","Check fmod family");
     40 }
     41 
     42 ATF_TC_BODY(fmod, tc)
     43 {
     44 	ATF_CHECK(fmodf(2.0, 1.0) == 0);
     45 	ATF_CHECK(fmod(2.0, 1.0) == 0);
     46 	ATF_CHECK(fmodl(2.0, 1.0) == 0);
     47 
     48 	ATF_CHECK(fmodf(2.0, 0.5) == 0);
     49 	ATF_CHECK(fmod(2.0, 0.5) == 0);
     50 	ATF_CHECK(fmodl(2.0, 0.5) == 0);
     51 
     52 	ATF_CHECK(fabsf(fmodf(1.0, 0.1) - 0.1) <= 55 * FLT_EPSILON);
     53 	ATF_CHECK(fabs(fmod(1.0, 0.1) - 0.1) <= 55 * DBL_EPSILON);
     54 	ATF_CHECK(fabsl(fmodl(1.0, 0.1L) - 0.1L) <= 55 * LDBL_EPSILON);
     55 }
     56 
     57 ATF_TP_ADD_TCS(tp)
     58 {
     59 
     60 	ATF_TP_ADD_TC(tp, fmod);
     61 
     62 	return atf_no_error();
     63 }
     64