2 * Copyright (c) 2008 David Schultz <das@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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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
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23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Tests for conj{,f,l}()
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
40 #pragma STDC CX_LIMITED_RANGE off
42 /* Make sure gcc doesn't use builtin versions of these or honor __pure2. */
43 static float complex (*libconjf)(float complex) = conjf;
44 static double complex (*libconj)(double complex) = conj;
45 static long double complex (*libconjl)(long double complex) = conjl;
46 static float (*libcrealf)(float complex) = crealf;
47 static double (*libcreal)(double complex) = creal;
48 static long double (*libcreall)(long double complex) = creall;
49 static float (*libcimagf)(float complex) = cimagf;
50 static double (*libcimag)(double complex) = cimag;
51 static long double (*libcimagl)(long double complex) = cimagl;
54 * Compare d1 and d2 using special rules: NaN == NaN and +0 != -0.
55 * Fail an assertion if they differ.
58 fpequal(long double d1, long double d2)
62 return (isnan(d1) && isnan(d2));
63 return (copysignl(1.0, d1) == copysignl(1.0, d2));
67 cfpequal(long double complex d1, long double complex d2)
70 return (fpequal(creall(d1), creall(d2)) &&
71 fpequal(cimagl(d1), cimagl(d2)));
74 static const double tests[] = {
93 main(int argc, char *argv[])
95 static const int ntests = sizeof(tests) / sizeof(tests[0]) / 2;
97 complex long double expected;
100 printf("1..%d\n", ntests * 3);
102 for (i = 0; i < ntests; i++) {
103 __real__ expected = __real__ in = tests[2 * i];
104 __imag__ in = tests[2 * i + 1];
105 __imag__ expected = -cimag(in);
107 assert(fpequal(libcrealf(in), __real__ in));
108 assert(fpequal(libcreal(in), __real__ in));
109 assert(fpequal(libcreall(in), __real__ in));
110 assert(fpequal(libcimagf(in), __imag__ in));
111 assert(fpequal(libcimag(in), __imag__ in));
112 assert(fpequal(libcimagl(in), __imag__ in));
114 feclearexcept(FE_ALL_EXCEPT);
115 if (!cfpequal(libconjf(in), expected)) {
116 printf("not ok %d\t# conjf(%#.2g + %#.2gI): "
118 3 * i + 1, creal(in), cimag(in));
119 } else if (fetestexcept(FE_ALL_EXCEPT)) {
120 printf("not ok %d\t# conjf(%#.2g + %#.2gI): "
121 "threw an exception\n",
122 3 * i + 1, creal(in), cimag(in));
124 printf("ok %d\t\t# conjf(%#.2g + %#.2gI)\n",
125 3 * i + 1, creal(in), cimag(in));
128 feclearexcept(FE_ALL_EXCEPT);
129 if (!cfpequal(libconj(in), expected)) {
130 printf("not ok %d\t# conj(%#.2g + %#.2gI): "
132 3 * i + 2, creal(in), cimag(in));
133 } else if (fetestexcept(FE_ALL_EXCEPT)) {
134 printf("not ok %d\t# conj(%#.2g + %#.2gI): "
135 "threw an exception\n",
136 3 * i + 2, creal(in), cimag(in));
138 printf("ok %d\t\t# conj(%#.2g + %#.2gI)\n",
139 3 * i + 2, creal(in), cimag(in));
142 feclearexcept(FE_ALL_EXCEPT);
143 if (!cfpequal(libconjl(in), expected)) {
144 printf("not ok %d\t# conjl(%#.2g + %#.2gI): "
146 3 * i + 3, creal(in), cimag(in));
147 } else if (fetestexcept(FE_ALL_EXCEPT)) {
148 printf("not ok %d\t# conjl(%#.2g + %#.2gI): "
149 "threw an exception\n",
150 3 * i + 3, creal(in), cimag(in));
152 printf("ok %d\t\t# conjl(%#.2g + %#.2gI)\n",
153 3 * i + 3, creal(in), cimag(in));