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 #include <complex.h>
33 #include <fenv.h>
34 #include <math.h>
35 #include <stdio.h>
36
37 #include "test-utils.h"
38
39 #pragma STDC CX_LIMITED_RANGE OFF
40
41 /* Make sure gcc doesn't use builtin versions of these or honor __pure2. */
42 static float complex (*libconjf)(float complex) = conjf;
43 static double complex (*libconj)(double complex) = conj;
44 static long double complex (*libconjl)(long double complex) = conjl;
45 static float (*libcrealf)(float complex) = crealf;
46 static double (*libcreal)(double complex) = creal;
47 static long double (*libcreall)(long double complex) = creall;
48 static float (*libcimagf)(float complex) = cimagf;
49 static double (*libcimag)(double complex) = cimag;
50 static long double (*libcimagl)(long double complex) = cimagl;
51
52 static const double tests[] = {
53 /* a + bI */
54 0.0, 0.0,
55 0.0, 1.0,
56 1.0, 0.0,
57 -1.0, 0.0,
58 1.0, -0.0,
59 0.0, -1.0,
60 2.0, 4.0,
61 0.0, INFINITY,
62 0.0, -INFINITY,
63 INFINITY, 0.0,
64 NAN, 1.0,
65 1.0, NAN,
66 NAN, NAN,
67 -INFINITY, INFINITY,
68 };
69
70 ATF_TC_WITHOUT_HEAD(main);
ATF_TC_BODY(main,tc)71 ATF_TC_BODY(main, tc)
72 {
73 static const int ntests = sizeof(tests) / sizeof(tests[0]) / 2;
74 complex float in;
75 complex long double expected;
76 int i;
77
78 for (i = 0; i < ntests; i++) {
79 __real__ expected = __real__ in = tests[2 * i];
80 __imag__ in = tests[2 * i + 1];
81 __imag__ expected = -cimag(in);
82
83 ATF_REQUIRE(fpequal_cs(libcrealf(in), __real__ in, true));
84 ATF_REQUIRE(fpequal_cs(libcreal(in), __real__ in, true));
85 ATF_REQUIRE(fpequal_cs(libcreall(in), __real__ in, true));
86 ATF_REQUIRE(fpequal_cs(libcimagf(in), __imag__ in, true));
87 ATF_REQUIRE(fpequal_cs(libcimag(in), __imag__ in, true));
88 ATF_REQUIRE(fpequal_cs(libcimagl(in), __imag__ in, true));
89
90 ATF_REQUIRE_EQ(0, feclearexcept(FE_ALL_EXCEPT));
91 ATF_REQUIRE_MSG(
92 cfpequal(libconjf(in), expected),
93 "conjf(%#.2g + %#.2gI): wrong value", creal(in), cimag(in)
94 );
95 ATF_REQUIRE_EQ_MSG(0, fetestexcept(FE_ALL_EXCEPT),
96 "conj(%#.2g + %#.2gI): threw an exception: %#x", creal(in),
97 cimag(in), fetestexcept(FE_ALL_EXCEPT));
98
99 ATF_REQUIRE_EQ(0, feclearexcept(FE_ALL_EXCEPT));
100 ATF_REQUIRE_MSG(cfpequal(libconj(in), expected),
101 "conj(%#.2g + %#.2gI): wrong value", creal(in), cimag(in));
102 ATF_REQUIRE_EQ_MSG(0, fetestexcept(FE_ALL_EXCEPT),
103 "conj(%#.2g + %#.2gI): threw an exception: %#x", creal(in),
104 cimag(in), fetestexcept(FE_ALL_EXCEPT));
105
106 ATF_REQUIRE_EQ(0, feclearexcept(FE_ALL_EXCEPT));
107 ATF_REQUIRE_MSG(cfpequal(libconjl(in), expected),
108 "conjl(%#.2g + %#.2gI): wrong value", creal(in), cimag(in));
109 ATF_REQUIRE_EQ_MSG(0, fetestexcept(FE_ALL_EXCEPT),
110 "conjl(%#.2g + %#.2gI): threw an exception: %#x", creal(in),
111 cimag(in), fetestexcept(FE_ALL_EXCEPT));
112 }
113 }
114
ATF_TP_ADD_TCS(tp)115 ATF_TP_ADD_TCS(tp)
116 {
117 ATF_TP_ADD_TC(tp, main);
118
119 return (atf_no_error());
120 }
121