xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2012-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Marek Polacek <polacek@redhat.com>, 2012. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* Adapted from gcc.dg/torture/builtin-complex-1.c test from GCC |
| 20 | testsuite written by Joseph S. Myers. */ |
| 21 | |
| 22 | #include <complex.h> |
| 23 | |
| 24 | static int result; |
| 25 | |
| 26 | #define COMPARE_BODY(A, B, TYPE, COPYSIGN) \ |
| 27 | do { \ |
| 28 | TYPE s1 = COPYSIGN ((TYPE) 1.0, A); \ |
| 29 | TYPE s2 = COPYSIGN ((TYPE) 1.0, B); \ |
| 30 | if (s1 != s2) \ |
| 31 | result |= 1; \ |
| 32 | if ((__builtin_isnan (A) != 0) != (__builtin_isnan (B) != 0)) \ |
| 33 | result |= 1; \ |
| 34 | if ((A != B) != (__builtin_isnan (A) != 0)) \ |
| 35 | result |= 1; \ |
| 36 | } while (0) |
| 37 | |
| 38 | #ifdef CMPLX |
| 39 | |
| 40 | static void |
| 41 | comparef (float a, float b) |
| 42 | { |
| 43 | COMPARE_BODY (a, b, float, __builtin_copysignf); |
| 44 | } |
| 45 | |
| 46 | static void |
| 47 | compare (double a, double b) |
| 48 | { |
| 49 | COMPARE_BODY (a, b, double, __builtin_copysign); |
| 50 | } |
| 51 | |
| 52 | static void |
| 53 | comparel (long double a, long double b) |
| 54 | { |
| 55 | COMPARE_BODY (a, b, long double, __builtin_copysignl); |
| 56 | } |
| 57 | |
| 58 | static void |
| 59 | comparecf (_Complex float a, float r, float i) |
| 60 | { |
| 61 | comparef (__real__ a, r); |
| 62 | comparef (__imag__ a, i); |
| 63 | } |
| 64 | |
| 65 | static void |
| 66 | comparec (_Complex double a, double r, double i) |
| 67 | { |
| 68 | compare (__real__ a, r); |
| 69 | compare (__imag__ a, i); |
| 70 | } |
| 71 | |
| 72 | static void |
| 73 | comparecl (_Complex long double a, long double r, long double i) |
| 74 | { |
| 75 | comparel (__real__ a, r); |
| 76 | comparel (__imag__ a, i); |
| 77 | } |
| 78 | |
| 79 | #define VERIFY(A, B, TYPE, COMPARE, CL) \ |
| 80 | do { \ |
| 81 | TYPE a = A; \ |
| 82 | TYPE b = B; \ |
| 83 | _Complex TYPE cr = CL (a, b); \ |
| 84 | static _Complex TYPE cs = CL (A, B); \ |
| 85 | COMPARE (cr, A, B); \ |
| 86 | COMPARE (cs, A, B); \ |
| 87 | } while (0) |
| 88 | |
| 89 | #define ALL_CHECKS(PZ, NZ, NAN, INF, TYPE, COMPARE, CL) \ |
| 90 | do { \ |
| 91 | VERIFY (PZ, PZ, TYPE, COMPARE, CL); \ |
| 92 | VERIFY (PZ, NZ, TYPE, COMPARE, CL); \ |
| 93 | VERIFY (PZ, NAN, TYPE, COMPARE, CL); \ |
| 94 | VERIFY (PZ, INF, TYPE, COMPARE, CL); \ |
| 95 | VERIFY (NZ, PZ, TYPE, COMPARE, CL); \ |
| 96 | VERIFY (NZ, NZ, TYPE, COMPARE, CL); \ |
| 97 | VERIFY (NZ, NAN, TYPE, COMPARE, CL); \ |
| 98 | VERIFY (NZ, INF, TYPE, COMPARE, CL); \ |
| 99 | VERIFY (NAN, PZ, TYPE, COMPARE, CL); \ |
| 100 | VERIFY (NAN, NZ, TYPE, COMPARE, CL); \ |
| 101 | VERIFY (NAN, NAN, TYPE, COMPARE, CL); \ |
| 102 | VERIFY (NAN, INF, TYPE, COMPARE, CL); \ |
| 103 | VERIFY (INF, PZ, TYPE, COMPARE,CL); \ |
| 104 | VERIFY (INF, NZ, TYPE, COMPARE, CL); \ |
| 105 | VERIFY (INF, NAN, TYPE, COMPARE, CL); \ |
| 106 | VERIFY (INF, INF, TYPE, COMPARE, CL); \ |
| 107 | } while (0) |
| 108 | |
| 109 | static void |
| 110 | check_float (void) |
| 111 | { |
| 112 | ALL_CHECKS (0.0f, -0.0f, __builtin_nanf (""), __builtin_inff (), |
| 113 | float, comparecf, CMPLXF); |
| 114 | } |
| 115 | |
| 116 | static void |
| 117 | check_double (void) |
| 118 | { |
| 119 | ALL_CHECKS (0.0, -0.0, __builtin_nan (""), __builtin_inf (), |
| 120 | double, comparec, CMPLX); |
| 121 | } |
| 122 | |
| 123 | static void |
| 124 | check_long_double (void) |
| 125 | { |
| 126 | ALL_CHECKS (0.0l, -0.0l, __builtin_nanl (""), __builtin_infl (), |
| 127 | long double, comparecl, CMPLXL); |
| 128 | } |
| 129 | #endif |
| 130 | |
| 131 | static int |
| 132 | do_test (void) |
| 133 | { |
| 134 | #ifdef CMPLX |
| 135 | check_float (); |
| 136 | check_double (); |
| 137 | check_long_double (); |
| 138 | #endif |
| 139 | |
| 140 | return result; |
| 141 | } |
| 142 | |
| 143 | #define TEST_FUNCTION do_test () |
| 144 | #include "../test-skeleton.c" |