1 /* $NetBSD: t_ilogb.c,v 1.7 2017/01/13 19:23:40 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Maya Rashish. 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 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_ilogb.c,v 1.7 2017/01/13 19:23:40 christos Exp $"); 33 34 #include <atf-c.h> 35 #include <fenv.h> 36 #include <limits.h> 37 #include <math.h> 38 39 #ifndef __HAVE_FENV 40 41 # define ATF_CHECK_RAISED_INVALID 42 # define ATF_CHECK_RAISED_NOTHING 43 44 #else 45 # define ATF_CHECK_RAISED_INVALID do { \ 46 int r = fetestexcept(FE_ALL_EXCEPT); \ 47 ATF_CHECK_MSG(r == FE_INVALID, "r=%#x != %#x\n", r, FE_INVALID); \ 48 (void)feclearexcept(FE_ALL_EXCEPT); \ 49 } while (/*CONSTCOND*/0) 50 51 # define ATF_CHECK_RAISED_NOTHING do { \ 52 int r = fetestexcept(FE_ALL_EXCEPT); \ 53 ATF_CHECK_MSG(r == 0, "r=%#x != 0\n", r); \ 54 (void)feclearexcept(FE_ALL_EXCEPT); \ 55 } while (/*CONSTCOND*/0) 56 #endif 57 58 ATF_TC(ilogb); 59 ATF_TC_HEAD(ilogb, tc) 60 { 61 atf_tc_set_md_var(tc, "descr","Check ilogb family"); 62 } 63 64 ATF_TC_BODY(ilogb, tc) 65 { 66 67 ATF_CHECK(ilogbf(0) == FP_ILOGB0); 68 ATF_CHECK_RAISED_INVALID; 69 ATF_CHECK(ilogb(0) == FP_ILOGB0); 70 ATF_CHECK_RAISED_INVALID; 71 #ifdef __HAVE_LONG_DOUBLE 72 ATF_CHECK(ilogbl(0) == FP_ILOGB0); 73 ATF_CHECK_RAISED_INVALID; 74 #endif 75 76 ATF_CHECK(ilogbf(-0) == FP_ILOGB0); 77 ATF_CHECK_RAISED_INVALID; 78 ATF_CHECK(ilogb(-0) == FP_ILOGB0); 79 ATF_CHECK_RAISED_INVALID; 80 #ifdef __HAVE_LONG_DOUBLE 81 ATF_CHECK(ilogbl(-0) == FP_ILOGB0); 82 ATF_CHECK_RAISED_INVALID; 83 #endif 84 85 ATF_CHECK(ilogbf(INFINITY) == INT_MAX); 86 ATF_CHECK_RAISED_INVALID; 87 ATF_CHECK(ilogb(INFINITY) == INT_MAX); 88 ATF_CHECK_RAISED_INVALID; 89 #ifdef __HAVE_LONG_DOUBLE 90 ATF_CHECK(ilogbl(INFINITY) == INT_MAX); 91 ATF_CHECK_RAISED_INVALID; 92 #endif 93 94 ATF_CHECK(ilogbf(-INFINITY) == INT_MAX); 95 ATF_CHECK_RAISED_INVALID; 96 ATF_CHECK(ilogb(-INFINITY) == INT_MAX); 97 ATF_CHECK_RAISED_INVALID; 98 #ifdef __HAVE_LONG_DOUBLE 99 ATF_CHECK(ilogbl(-INFINITY) == INT_MAX); 100 ATF_CHECK_RAISED_INVALID; 101 #endif 102 103 ATF_CHECK(ilogbf(1024) == 10); 104 ATF_CHECK_RAISED_NOTHING; 105 ATF_CHECK(ilogb(1024) == 10); 106 ATF_CHECK_RAISED_NOTHING; 107 #ifdef __HAVE_LONG_DOUBLE 108 ATF_CHECK(ilogbl(1024) == 10); 109 ATF_CHECK_RAISED_NOTHING; 110 #endif 111 112 #ifndef __vax__ 113 ATF_CHECK(ilogbf(NAN) == FP_ILOGBNAN); 114 ATF_CHECK_RAISED_INVALID; 115 ATF_CHECK(ilogb(NAN) == FP_ILOGBNAN); 116 ATF_CHECK_RAISED_INVALID; 117 #ifdef __HAVE_LONG_DOUBLE 118 ATF_CHECK(ilogbl(NAN) == FP_ILOGBNAN); 119 ATF_CHECK_RAISED_INVALID; 120 #endif 121 #endif 122 } 123 124 ATF_TP_ADD_TCS(tp) 125 { 126 127 ATF_TP_ADD_TC(tp, ilogb); 128 129 return atf_no_error(); 130 } 131