1276478Sngie/* $NetBSD: t_isnan.c,v 1.5 2014/11/04 00:20:19 justin Exp $ */
2272343Sngie
3272343Sngie/*
4272343Sngie * This file is in the Public Domain.
5272343Sngie *
6272343Sngie * The nan test is blatently copied by Simon Burge from the infinity
7272343Sngie * test by Ben Harris.
8272343Sngie */
9272343Sngie
10272343Sngie#include <sys/param.h>
11272343Sngie
12272343Sngie#include <atf-c.h>
13272343Sngie
14272343Sngie#include <math.h>
15272343Sngie#include <string.h>
16272343Sngie
17272343SngieATF_TC(isnan_basic);
18272343SngieATF_TC_HEAD(isnan_basic, tc)
19272343Sngie{
20272343Sngie	atf_tc_set_md_var(tc, "descr", "Verify that isnan(3) works");
21272343Sngie}
22272343Sngie
23272343SngieATF_TC_BODY(isnan_basic, tc)
24272343Sngie{
25272343Sngie#if defined(__m68k__)
26272343Sngie	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
27272343Sngie#endif
28272343Sngie
29272343Sngie#ifdef NAN
30272343Sngie	/* NAN is meant to be a (float)NaN. */
31272343Sngie	ATF_CHECK(isnan(NAN) != 0);
32272343Sngie	ATF_CHECK(isnan((double)NAN) != 0);
33272343Sngie#else
34272343Sngie	atf_tc_skip("Test not applicable");
35272343Sngie#endif
36272343Sngie}
37272343Sngie
38272343SngieATF_TC(isinf_basic);
39272343SngieATF_TC_HEAD(isinf_basic, tc)
40272343Sngie{
41272343Sngie	atf_tc_set_md_var(tc, "descr", "Verify that isinf(3) works");
42272343Sngie}
43272343Sngie
44272343SngieATF_TC_BODY(isinf_basic, tc)
45272343Sngie{
46272343Sngie#if defined(__m68k__)
47272343Sngie	atf_tc_skip("Test not applicable on " MACHINE_ARCH);
48272343Sngie#endif
49272343Sngie
50272343Sngie	/* HUGE_VAL is meant to be an infinity. */
51272343Sngie	ATF_CHECK(isinf(HUGE_VAL) != 0);
52272343Sngie
53272343Sngie	/* HUGE_VALF is the float analog of HUGE_VAL. */
54272343Sngie	ATF_CHECK(isinf(HUGE_VALF) != 0);
55272343Sngie
56272343Sngie	/* HUGE_VALL is the long double analog of HUGE_VAL. */
57272343Sngie	ATF_CHECK(isinf(HUGE_VALL) != 0);
58272343Sngie}
59272343Sngie
60272343SngieATF_TP_ADD_TCS(tp)
61272343Sngie{
62272343Sngie	ATF_TP_ADD_TC(tp, isnan_basic);
63272343Sngie	ATF_TP_ADD_TC(tp, isinf_basic);
64272343Sngie
65272343Sngie	return atf_no_error();
66272343Sngie}
67