projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 2c00a5a8 | 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
| 1a4d82fc JJ |
2 | //===-- powisf2_test.cpp - Test __powisf2 ---------------------------------===// |
| 3 | // | |
| 4 | // The LLVM Compiler Infrastructure | |
| 5 | // | |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open | |
| 7 | // Source Licenses. See LICENSE.TXT for details. | |
| 8 | // | |
| 9 | //===----------------------------------------------------------------------===// | |
| 10 | // | |
| 11 | // This file tests __powisf2 for the compiler_rt library. | |
| 12 | // | |
| 13 | //===----------------------------------------------------------------------===// | |
| 14 | ||
| 15 | #include "int_lib.h" | |
| 16 | #include <stdio.h> | |
| 17 | #include <math.h> | |
| 18 | ||
| 19 | // Returns: a ^ b | |
| 20 | ||
| 92a42be0 | 21 | COMPILER_RT_ABI float __powisf2(float a, si_int b); |
| 1a4d82fc JJ |
22 | |
| 23 | int test__powisf2(float a, si_int b, float expected) | |
| 24 | { | |
| 25 | float x = __powisf2(a, b); | |
| 26 | int correct = (x == expected) && (signbit(x) == signbit(expected)); | |
| 27 | if (!correct) | |
| 28 | printf("error in __powisf2(%f, %d) = %f, expected %f\n", | |
| 29 | a, b, x, expected); | |
| 30 | return !correct; | |
| 31 | } | |
| 32 | ||
| 33 | int main() | |
| 34 | { | |
| 35 | if (test__powisf2(0, 0, 1)) | |
| 36 | return 1; | |
| 37 | if (test__powisf2(1, 0, 1)) | |
| 38 | return 1; | |
| 39 | if (test__powisf2(1.5, 0, 1)) | |
| 40 | return 1; | |
| 41 | if (test__powisf2(2, 0, 1)) | |
| 42 | return 1; | |
| 43 | if (test__powisf2(INFINITY, 0, 1)) | |
| 44 | return 1; | |
| 45 | ||
| 46 | if (test__powisf2(-0., 0, 1)) | |
| 47 | return 1; | |
| 48 | if (test__powisf2(-1, 0, 1)) | |
| 49 | return 1; | |
| 50 | if (test__powisf2(-1.5, 0, 1)) | |
| 51 | return 1; | |
| 52 | if (test__powisf2(-2, 0, 1)) | |
| 53 | return 1; | |
| 54 | if (test__powisf2(-INFINITY, 0, 1)) | |
| 55 | return 1; | |
| 56 | ||
| 57 | if (test__powisf2(0, 1, 0)) | |
| 58 | return 1; | |
| 59 | if (test__powisf2(0, 2, 0)) | |
| 60 | return 1; | |
| 61 | if (test__powisf2(0, 3, 0)) | |
| 62 | return 1; | |
| 63 | if (test__powisf2(0, 4, 0)) | |
| 64 | return 1; | |
| 65 | if (test__powisf2(0, 0x7FFFFFFE, 0)) | |
| 66 | return 1; | |
| 67 | if (test__powisf2(0, 0x7FFFFFFF, 0)) | |
| 68 | return 1; | |
| 69 | ||
| 70 | if (test__powisf2(-0., 1, -0.)) | |
| 71 | return 1; | |
| 72 | if (test__powisf2(-0., 2, 0)) | |
| 73 | return 1; | |
| 74 | if (test__powisf2(-0., 3, -0.)) | |
| 75 | return 1; | |
| 76 | if (test__powisf2(-0., 4, 0)) | |
| 77 | return 1; | |
| 78 | if (test__powisf2(-0., 0x7FFFFFFE, 0)) | |
| 79 | return 1; | |
| 80 | if (test__powisf2(-0., 0x7FFFFFFF, -0.)) | |
| 81 | return 1; | |
| 82 | ||
| 83 | if (test__powisf2(1, 1, 1)) | |
| 84 | return 1; | |
| 85 | if (test__powisf2(1, 2, 1)) | |
| 86 | return 1; | |
| 87 | if (test__powisf2(1, 3, 1)) | |
| 88 | return 1; | |
| 89 | if (test__powisf2(1, 4, 1)) | |
| 90 | return 1; | |
| 91 | if (test__powisf2(1, 0x7FFFFFFE, 1)) | |
| 92 | return 1; | |
| 93 | if (test__powisf2(1, 0x7FFFFFFF, 1)) | |
| 94 | return 1; | |
| 95 | ||
| 96 | if (test__powisf2(INFINITY, 1, INFINITY)) | |
| 97 | return 1; | |
| 98 | if (test__powisf2(INFINITY, 2, INFINITY)) | |
| 99 | return 1; | |
| 100 | if (test__powisf2(INFINITY, 3, INFINITY)) | |
| 101 | return 1; | |
| 102 | if (test__powisf2(INFINITY, 4, INFINITY)) | |
| 103 | return 1; | |
| 104 | if (test__powisf2(INFINITY, 0x7FFFFFFE, INFINITY)) | |
| 105 | return 1; | |
| 106 | if (test__powisf2(INFINITY, 0x7FFFFFFF, INFINITY)) | |
| 107 | return 1; | |
| 108 | ||
| 109 | if (test__powisf2(-INFINITY, 1, -INFINITY)) | |
| 110 | return 1; | |
| 111 | if (test__powisf2(-INFINITY, 2, INFINITY)) | |
| 112 | return 1; | |
| 113 | if (test__powisf2(-INFINITY, 3, -INFINITY)) | |
| 114 | return 1; | |
| 115 | if (test__powisf2(-INFINITY, 4, INFINITY)) | |
| 116 | return 1; | |
| 117 | if (test__powisf2(-INFINITY, 0x7FFFFFFE, INFINITY)) | |
| 118 | return 1; | |
| 119 | if (test__powisf2(-INFINITY, 0x7FFFFFFF, -INFINITY)) | |
| 120 | return 1; | |
| 121 | ||
| 122 | if (test__powisf2(0, -1, INFINITY)) | |
| 123 | return 1; | |
| 124 | if (test__powisf2(0, -2, INFINITY)) | |
| 125 | return 1; | |
| 126 | if (test__powisf2(0, -3, INFINITY)) | |
| 127 | return 1; | |
| 128 | if (test__powisf2(0, -4, INFINITY)) | |
| 129 | return 1; | |
| 130 | if (test__powisf2(0, 0x80000002, INFINITY)) | |
| 131 | return 1; | |
| 132 | if (test__powisf2(0, 0x80000001, INFINITY)) | |
| 133 | return 1; | |
| 134 | if (test__powisf2(0, 0x80000000, INFINITY)) | |
| 135 | return 1; | |
| 136 | ||
| 137 | if (test__powisf2(-0., -1, -INFINITY)) | |
| 138 | return 1; | |
| 139 | if (test__powisf2(-0., -2, INFINITY)) | |
| 140 | return 1; | |
| 141 | if (test__powisf2(-0., -3, -INFINITY)) | |
| 142 | return 1; | |
| 143 | if (test__powisf2(-0., -4, INFINITY)) | |
| 144 | return 1; | |
| 145 | if (test__powisf2(-0., 0x80000002, INFINITY)) | |
| 146 | return 1; | |
| 147 | if (test__powisf2(-0., 0x80000001, -INFINITY)) | |
| 148 | return 1; | |
| 149 | if (test__powisf2(-0., 0x80000000, INFINITY)) | |
| 150 | return 1; | |
| 151 | ||
| 152 | if (test__powisf2(1, -1, 1)) | |
| 153 | return 1; | |
| 154 | if (test__powisf2(1, -2, 1)) | |
| 155 | return 1; | |
| 156 | if (test__powisf2(1, -3, 1)) | |
| 157 | return 1; | |
| 158 | if (test__powisf2(1, -4, 1)) | |
| 159 | return 1; | |
| 160 | if (test__powisf2(1, 0x80000002, 1)) | |
| 161 | return 1; | |
| 162 | if (test__powisf2(1, 0x80000001, 1)) | |
| 163 | return 1; | |
| 164 | if (test__powisf2(1, 0x80000000, 1)) | |
| 165 | return 1; | |
| 166 | ||
| 167 | if (test__powisf2(INFINITY, -1, 0)) | |
| 168 | return 1; | |
| 169 | if (test__powisf2(INFINITY, -2, 0)) | |
| 170 | return 1; | |
| 171 | if (test__powisf2(INFINITY, -3, 0)) | |
| 172 | return 1; | |
| 173 | if (test__powisf2(INFINITY, -4, 0)) | |
| 174 | return 1; | |
| 175 | if (test__powisf2(INFINITY, 0x80000002, 0)) | |
| 176 | return 1; | |
| 177 | if (test__powisf2(INFINITY, 0x80000001, 0)) | |
| 178 | return 1; | |
| 179 | if (test__powisf2(INFINITY, 0x80000000, 0)) | |
| 180 | return 1; | |
| 181 | ||
| 182 | if (test__powisf2(-INFINITY, -1, -0.)) | |
| 183 | return 1; | |
| 184 | if (test__powisf2(-INFINITY, -2, 0)) | |
| 185 | return 1; | |
| 186 | if (test__powisf2(-INFINITY, -3, -0.)) | |
| 187 | return 1; | |
| 188 | if (test__powisf2(-INFINITY, -4, 0)) | |
| 189 | return 1; | |
| 190 | if (test__powisf2(-INFINITY, 0x80000002, 0)) | |
| 191 | return 1; | |
| 192 | if (test__powisf2(-INFINITY, 0x80000001, -0.)) | |
| 193 | return 1; | |
| 194 | if (test__powisf2(-INFINITY, 0x80000000, 0)) | |
| 195 | return 1; | |
| 196 | ||
| 197 | if (test__powisf2(2, 10, 1024.)) | |
| 198 | return 1; | |
| 199 | if (test__powisf2(-2, 10, 1024.)) | |
| 200 | return 1; | |
| 201 | if (test__powisf2(2, -10, 1/1024.)) | |
| 202 | return 1; | |
| 203 | if (test__powisf2(-2, -10, 1/1024.)) | |
| 204 | return 1; | |
| 205 | ||
| 206 | if (test__powisf2(2, 19, 524288.)) | |
| 207 | return 1; | |
| 208 | if (test__powisf2(-2, 19, -524288.)) | |
| 209 | return 1; | |
| 210 | if (test__powisf2(2, -19, 1/524288.)) | |
| 211 | return 1; | |
| 212 | if (test__powisf2(-2, -19, -1/524288.)) | |
| 213 | return 1; | |
| 214 | ||
| 215 | if (test__powisf2(2, 31, 2147483648.)) | |
| 216 | return 1; | |
| 217 | if (test__powisf2(-2, 31, -2147483648.)) | |
| 218 | return 1; | |
| 219 | if (test__powisf2(2, -31, 1/2147483648.)) | |
| 220 | return 1; | |
| 221 | if (test__powisf2(-2, -31, -1/2147483648.)) | |
| 222 | return 1; | |
| 223 | ||
| 224 | return 0; | |
| 225 | } |