tests/lib/libm/t_fmod.c

   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 }