conj_test.c revision 293267
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: stable/10/lib/msun/tests/conj_test.c 293267 2016-01-06 20:21:40Z ngie $"); 33 34#include <assert.h> 35#include <complex.h> 36#include <fenv.h> 37#include <math.h> 38#include <stdio.h> 39 40#include "test-utils.h" 41 42#pragma STDC CX_LIMITED_RANGE OFF 43 44/* Make sure gcc doesn't use builtin versions of these or honor __pure2. */ 45static float complex (*libconjf)(float complex) = conjf; 46static double complex (*libconj)(double complex) = conj; 47static long double complex (*libconjl)(long double complex) = conjl; 48static float (*libcrealf)(float complex) = crealf; 49static double (*libcreal)(double complex) = creal; 50static long double (*libcreall)(long double complex) = creall; 51static float (*libcimagf)(float complex) = cimagf; 52static double (*libcimag)(double complex) = cimag; 53static long double (*libcimagl)(long double complex) = cimagl; 54 55static const double tests[] = { 56 /* a + bI */ 57 0.0, 0.0, 58 0.0, 1.0, 59 1.0, 0.0, 60 -1.0, 0.0, 61 1.0, -0.0, 62 0.0, -1.0, 63 2.0, 4.0, 64 0.0, INFINITY, 65 0.0, -INFINITY, 66 INFINITY, 0.0, 67 NAN, 1.0, 68 1.0, NAN, 69 NAN, NAN, 70 -INFINITY, INFINITY, 71}; 72 73int 74main(int argc, char *argv[]) 75{ 76 static const int ntests = sizeof(tests) / sizeof(tests[0]) / 2; 77 complex float in; 78 complex long double expected; 79 int i; 80 81 printf("1..%d\n", ntests * 3); 82 83 for (i = 0; i < ntests; i++) { 84 __real__ expected = __real__ in = tests[2 * i]; 85 __imag__ in = tests[2 * i + 1]; 86 __imag__ expected = -cimag(in); 87 88 assert(fpequal(libcrealf(in), __real__ in)); 89 assert(fpequal(libcreal(in), __real__ in)); 90 assert(fpequal(libcreall(in), __real__ in)); 91 assert(fpequal(libcimagf(in), __imag__ in)); 92 assert(fpequal(libcimag(in), __imag__ in)); 93 assert(fpequal(libcimagl(in), __imag__ in)); 94 95 feclearexcept(FE_ALL_EXCEPT); 96 if (!cfpequal(libconjf(in), expected)) { 97 printf("not ok %d\t# conjf(%#.2g + %#.2gI): " 98 "wrong value\n", 99 3 * i + 1, creal(in), cimag(in)); 100 } else if (fetestexcept(FE_ALL_EXCEPT)) { 101 printf("not ok %d\t# conjf(%#.2g + %#.2gI): " 102 "threw an exception\n", 103 3 * i + 1, creal(in), cimag(in)); 104 } else { 105 printf("ok %d\t\t# conjf(%#.2g + %#.2gI)\n", 106 3 * i + 1, creal(in), cimag(in)); 107 } 108 109 feclearexcept(FE_ALL_EXCEPT); 110 if (!cfpequal(libconj(in), expected)) { 111 printf("not ok %d\t# conj(%#.2g + %#.2gI): " 112 "wrong value\n", 113 3 * i + 2, creal(in), cimag(in)); 114 } else if (fetestexcept(FE_ALL_EXCEPT)) { 115 printf("not ok %d\t# conj(%#.2g + %#.2gI): " 116 "threw an exception\n", 117 3 * i + 2, creal(in), cimag(in)); 118 } else { 119 printf("ok %d\t\t# conj(%#.2g + %#.2gI)\n", 120 3 * i + 2, creal(in), cimag(in)); 121 } 122 123 feclearexcept(FE_ALL_EXCEPT); 124 if (!cfpequal(libconjl(in), expected)) { 125 printf("not ok %d\t# conjl(%#.2g + %#.2gI): " 126 "wrong value\n", 127 3 * i + 3, creal(in), cimag(in)); 128 } else if (fetestexcept(FE_ALL_EXCEPT)) { 129 printf("not ok %d\t# conjl(%#.2g + %#.2gI): " 130 "threw an exception\n", 131 3 * i + 3, creal(in), cimag(in)); 132 } else { 133 printf("ok %d\t\t# conjl(%#.2g + %#.2gI)\n", 134 3 * i + 3, creal(in), cimag(in)); 135 } 136 } 137 138 return (0); 139} 140