1/*-
2 * Copyright (c) 2008 David Schultz <das@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27/*
28 * Tests for conj{,f,l}()
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <complex.h>
35#include <fenv.h>
36#include <math.h>
37#include <stdio.h>
38
39#include "test-utils.h"
40
41#pragma	STDC CX_LIMITED_RANGE	OFF
42
43/* Make sure gcc doesn't use builtin versions of these or honor __pure2. */
44static float complex (*libconjf)(float complex) = conjf;
45static double complex (*libconj)(double complex) = conj;
46static long double complex (*libconjl)(long double complex) = conjl;
47static float (*libcrealf)(float complex) = crealf;
48static double (*libcreal)(double complex) = creal;
49static long double (*libcreall)(long double complex) = creall;
50static float (*libcimagf)(float complex) = cimagf;
51static double (*libcimag)(double complex) = cimag;
52static long double (*libcimagl)(long double complex) = cimagl;
53
54static const double tests[] = {
55	/* a +  bI */
56	0.0,	0.0,
57	0.0,	1.0,
58	1.0,	0.0,
59	-1.0,	0.0,
60	1.0,	-0.0,
61	0.0,	-1.0,
62	2.0,	4.0,
63	0.0,	INFINITY,
64	0.0,	-INFINITY,
65	INFINITY, 0.0,
66	NAN,	1.0,
67	1.0,	NAN,
68	NAN,	NAN,
69	-INFINITY, INFINITY,
70};
71
72ATF_TC_WITHOUT_HEAD(main);
73ATF_TC_BODY(main, tc)
74{
75	static const int ntests = sizeof(tests) / sizeof(tests[0]) / 2;
76	complex float in;
77	complex long double expected;
78	int i;
79
80	for (i = 0; i < ntests; i++) {
81		__real__ expected = __real__ in = tests[2 * i];
82		__imag__ in = tests[2 * i + 1];
83		__imag__ expected = -cimag(in);
84
85		ATF_REQUIRE(fpequal_cs(libcrealf(in), __real__ in, true));
86		ATF_REQUIRE(fpequal_cs(libcreal(in), __real__ in, true));
87		ATF_REQUIRE(fpequal_cs(libcreall(in), __real__ in, true));
88		ATF_REQUIRE(fpequal_cs(libcimagf(in), __imag__ in, true));
89		ATF_REQUIRE(fpequal_cs(libcimag(in), __imag__ in, true));
90		ATF_REQUIRE(fpequal_cs(libcimagl(in), __imag__ in, true));
91
92		ATF_REQUIRE_EQ(0, feclearexcept(FE_ALL_EXCEPT));
93		ATF_REQUIRE_MSG(
94		    cfpequal(libconjf(in), expected),
95		    "conjf(%#.2g + %#.2gI): wrong value", creal(in), cimag(in)
96		);
97		ATF_REQUIRE_EQ_MSG(0, fetestexcept(FE_ALL_EXCEPT),
98		    "conj(%#.2g + %#.2gI): threw an exception: %#x", creal(in),
99		    cimag(in), fetestexcept(FE_ALL_EXCEPT));
100
101		ATF_REQUIRE_EQ(0, feclearexcept(FE_ALL_EXCEPT));
102		ATF_REQUIRE_MSG(cfpequal(libconj(in), expected),
103		    "conj(%#.2g + %#.2gI): wrong value", creal(in), cimag(in));
104		ATF_REQUIRE_EQ_MSG(0, fetestexcept(FE_ALL_EXCEPT),
105		    "conj(%#.2g + %#.2gI): threw an exception: %#x", creal(in),
106		    cimag(in), fetestexcept(FE_ALL_EXCEPT));
107
108		ATF_REQUIRE_EQ(0, feclearexcept(FE_ALL_EXCEPT));
109		ATF_REQUIRE_MSG(cfpequal(libconjl(in), expected),
110		    "conjl(%#.2g + %#.2gI): wrong value", creal(in), cimag(in));
111		ATF_REQUIRE_EQ_MSG(0, fetestexcept(FE_ALL_EXCEPT),
112		    "conjl(%#.2g + %#.2gI): threw an exception: %#x", creal(in),
113		    cimag(in), fetestexcept(FE_ALL_EXCEPT));
114	}
115}
116
117ATF_TP_ADD_TCS(tp)
118{
119	ATF_TP_ADD_TC(tp, main);
120
121	return (atf_no_error());
122}
123