1 /* $NetBSD: t_log.c,v 1.2 2011/04/12 03:06:21 jruoho Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 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_log.c,v 1.2 2011/04/12 03:06:21 jruoho Exp $"); 33 34 #include <math.h> 35 36 #include <atf-c.h> 37 38 ATF_TC(log_nan); 39 ATF_TC_HEAD(log_nan, tc) 40 { 41 atf_tc_set_md_var(tc, "descr", "Test NaN from log(3)"); 42 } 43 44 ATF_TC_BODY(log_nan, tc) 45 { 46 #ifndef __vax__ 47 48 double d; 49 float f; 50 51 /* 52 * If the argument is negative, 53 * the result should be NaN and 54 * a domain error should follow. 55 * Refer to the old PR lib/41931. 56 */ 57 d = log(-1); 58 ATF_REQUIRE(isnan(d) != 0); 59 60 d = log(-INFINITY); 61 ATF_REQUIRE(isnan(d) != 0); 62 63 f = logf(-1); 64 ATF_REQUIRE(isnan(f) != 0); 65 66 f = logf(-INFINITY); 67 ATF_REQUIRE(isnan(f) != 0); 68 #endif 69 } 70 71 ATF_TP_ADD_TCS(tp) 72 { 73 74 ATF_TP_ADD_TC(tp, log_nan); 75 76 return atf_no_error(); 77 } 78