t_ilogb.c revision 1.5
1 /* $NetBSD: t_ilogb.c,v 1.5 2016/08/24 10:04:53 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 32 #include <atf-c.h> 33 #include <fenv.h> 34 #include <math.h> 35 36 #ifndef __HAVE_FENV 37 38 # define ATF_CHECK_RAISED_INVALID 39 # define ATF_CHECK_RAISED_NOTHING 40 41 #else 42 # define ATF_CHECK_RAISED_INVALID do { \ 43 int r = fetestexcept(FE_ALL_EXCEPT); \ 44 ATF_CHECK_MSG(r == FE_INVALID, "r=%#x != %#x\n", r, FE_INVALID); \ 45 (void)feclearexcept(FE_ALL_EXCEPT); \ 46 } while (/*CONSTCOND*/0) 47 48 # define ATF_CHECK_RAISED_NOTHING do { \ 49 int r = fetestexcept(FE_ALL_EXCEPT); \ 50 ATF_CHECK_MSG(r == 0, "r=%#x != 0\n", r); \ 51 (void)feclearexcept(FE_ALL_EXCEPT); \ 52 } while (/*CONSTCOND*/0) 53 #endif 54 55 ATF_TC(ilogb); 56 ATF_TC_HEAD(ilogb, tc) 57 { 58 atf_tc_set_md_var(tc, "descr","Check ilogb family"); 59 } 60 61 ATF_TC_BODY(ilogb, tc) 62 { 63 64 ATF_CHECK(ilogbf(0) == FP_ILOGB0); 65 ATF_CHECK_RAISED_INVALID; 66 ATF_CHECK(ilogb(0) == FP_ILOGB0); 67 ATF_CHECK_RAISED_INVALID; 68 ATF_CHECK(ilogbl(0) == FP_ILOGB0); 69 ATF_CHECK_RAISED_INVALID; 70 71 ATF_CHECK(ilogbf(-0) == FP_ILOGB0); 72 ATF_CHECK_RAISED_INVALID; 73 ATF_CHECK(ilogb(-0) == FP_ILOGB0); 74 ATF_CHECK_RAISED_INVALID; 75 #ifdef __HAVE_LONG_DOUBLE 76 ATF_CHECK(ilogbl(-0) == FP_ILOGB0); 77 ATF_CHECK_RAISED_INVALID; 78 #endif 79 80 ATF_CHECK(ilogbf(INFINITY) == INT_MAX); 81 ATF_CHECK_RAISED_INVALID; 82 ATF_CHECK(ilogb(INFINITY) == INT_MAX); 83 ATF_CHECK_RAISED_INVALID; 84 #ifdef __HAVE_LONG_DOUBLE 85 ATF_CHECK(ilogbl(INFINITY) == INT_MAX); 86 ATF_CHECK_RAISED_INVALID; 87 #endif 88 89 ATF_CHECK(ilogbf(-INFINITY) == INT_MAX); 90 ATF_CHECK_RAISED_INVALID; 91 ATF_CHECK(ilogb(-INFINITY) == INT_MAX); 92 ATF_CHECK_RAISED_INVALID; 93 #ifdef __HAVE_LONG_DOUBLE 94 ATF_CHECK(ilogbl(-INFINITY) == INT_MAX); 95 ATF_CHECK_RAISED_INVALID; 96 #endif 97 98 ATF_CHECK(ilogbf(1024) == 10); 99 ATF_CHECK_RAISED_NOTHING; 100 ATF_CHECK(ilogb(1024) == 10); 101 ATF_CHECK_RAISED_NOTHING; 102 #ifdef __HAVE_LONG_DOUBLE 103 ATF_CHECK(ilogbl(1024) == 10); 104 ATF_CHECK_RAISED_NOTHING; 105 #endif 106 107 #ifndef __vax__ 108 ATF_CHECK(ilogbf(NAN) == FP_ILOGBNAN); 109 ATF_CHECK_RAISED_INVALID; 110 ATF_CHECK(ilogb(NAN) == FP_ILOGBNAN); 111 ATF_CHECK_RAISED_INVALID; 112 #ifdef __HAVE_LONG_DOUBLE 113 ATF_CHECK(ilogbl(NAN) == FP_ILOGBNAN); 114 ATF_CHECK_RAISED_INVALID; 115 #endif 116 #endif 117 } 118 119 ATF_TP_ADD_TCS(tp) 120 { 121 122 ATF_TP_ADD_TC(tp, ilogb); 123 124 return atf_no_error(); 125 } 126
Indexes created Fri Oct 03 02:09:57 GMT 2025