1 /* $NetBSD: t_isnan.c,v 1.1 2011/09/19 05:25:50 jruoho Exp $ */ 2 3 /* 4 * This file is in the Public Domain. 5 * 6 * The nan test is blatently copied by Simon Burge from the infinity 7 * test by Ben Harris. 8 */ 9 10 #include <atf-c.h> 11 #include <atf-c/config.h> 12 13 #include <math.h> 14 #include <string.h> 15 16 ATF_TC(isnan_basic); 17 ATF_TC_HEAD(isnan_basic, tc) 18 { 19 atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works"); 20 } 21 22 ATF_TC_BODY(isnan_basic, tc) 23 { 24 /* NAN is meant to be a (float)NaN. */ 25 ATF_CHECK(isnan(NAN) != 0); 26 ATF_CHECK(isnan((double)NAN) != 0); 27 } 28 29 ATF_TC(isinf_basic); 30 ATF_TC_HEAD(isinf_basic, tc) 31 { 32 atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works"); 33 } 34 35 ATF_TC_BODY(isinf_basic, tc) 36 { 37 38 /* HUGE_VAL is meant to be an infinity. */ 39 ATF_CHECK(isinf(HUGE_VAL) != 0); 40 41 /* HUGE_VALF is the float analog of HUGE_VAL. */ 42 ATF_CHECK(isinf(HUGE_VALF) != 0); 43 44 /* HUGE_VALL is the long double analog of HUGE_VAL. */ 45 ATF_CHECK(isinf(HUGE_VALL) != 0); 46 } 47 48 ATF_TP_ADD_TCS(tp) 49 { 50 const char *arch; 51 52 arch = atf_config_get("atf_arch"); 53 54 if (strcmp("vax", arch) == 0 || strcmp("m68000", arch) == 0) 55 atf_tc_skip("Test not applicable on %s", arch); 56 else { 57 ATF_TP_ADD_TC(tp, isnan_basic); 58 ATF_TP_ADD_TC(tp, isinf_basic); 59 } 60 61 return atf_no_error(); 62 } 63