t_ilogb.c revision 1.6.2.2
1 /* $NetBSD: t_ilogb.c,v 1.6.2.2 2016/09/14 03:04:19 pgoyette 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 #ifdef __HAVE_LONG_DOUBLE 69 ATF_CHECK(ilogbl(0) == FP_ILOGB0); 70 ATF_CHECK_RAISED_INVALID; 71 #endif 72 73 ATF_CHECK(ilogbf(-0) == FP_ILOGB0); 74 ATF_CHECK_RAISED_INVALID; 75 ATF_CHECK(ilogb(-0) == FP_ILOGB0); 76 ATF_CHECK_RAISED_INVALID; 77 #ifdef __HAVE_LONG_DOUBLE 78 ATF_CHECK(ilogbl(-0) == FP_ILOGB0); 79 ATF_CHECK_RAISED_INVALID; 80 #endif 81 82 ATF_CHECK(ilogbf(INFINITY) == INT_MAX); 83 ATF_CHECK_RAISED_INVALID; 84 ATF_CHECK(ilogb(INFINITY) == INT_MAX); 85 ATF_CHECK_RAISED_INVALID; 86 #ifdef __HAVE_LONG_DOUBLE 87 ATF_CHECK(ilogbl(INFINITY) == INT_MAX); 88 ATF_CHECK_RAISED_INVALID; 89 #endif 90 91 ATF_CHECK(ilogbf(-INFINITY) == INT_MAX); 92 ATF_CHECK_RAISED_INVALID; 93 ATF_CHECK(ilogb(-INFINITY) == INT_MAX); 94 ATF_CHECK_RAISED_INVALID; 95 #ifdef __HAVE_LONG_DOUBLE 96 ATF_CHECK(ilogbl(-INFINITY) == INT_MAX); 97 ATF_CHECK_RAISED_INVALID; 98 #endif 99 100 ATF_CHECK(ilogbf(1024) == 10); 101 ATF_CHECK_RAISED_NOTHING; 102 ATF_CHECK(ilogb(1024) == 10); 103 ATF_CHECK_RAISED_NOTHING; 104 #ifdef __HAVE_LONG_DOUBLE 105 ATF_CHECK(ilogbl(1024) == 10); 106 ATF_CHECK_RAISED_NOTHING; 107 #endif 108 109 #ifndef __vax__ 110 ATF_CHECK(ilogbf(NAN) == FP_ILOGBNAN); 111 ATF_CHECK_RAISED_INVALID; 112 ATF_CHECK(ilogb(NAN) == FP_ILOGBNAN); 113 ATF_CHECK_RAISED_INVALID; 114 #ifdef __HAVE_LONG_DOUBLE 115 ATF_CHECK(ilogbl(NAN) == FP_ILOGBNAN); 116 ATF_CHECK_RAISED_INVALID; 117 #endif 118 #endif 119 } 120 121 ATF_TP_ADD_TCS(tp) 122 { 123 124 ATF_TP_ADD_TC(tp, ilogb); 125 126 return atf_no_error(); 127 } 128
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