Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 1 | //===-- floatuntixf.c - Test __floatuntixf --------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | 9ad441f | 2010-11-16 22:13:33 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file tests __floatuntixf for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #if __x86_64 |
| 15 | |
| 16 | #include "int_lib.h" |
| 17 | #include <float.h> |
| 18 | #include <stdio.h> |
| 19 | |
| 20 | // Returns: convert a to a long double, rounding toward even. |
| 21 | |
| 22 | // Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits |
| 23 | // tu_int is a 128 bit integral type |
| 24 | |
| 25 | // gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | |
| 26 | // 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm |
| 27 | |
| 28 | long double __floatuntixf(tu_int a); |
| 29 | |
| 30 | int test__floatuntixf(tu_int a, long double expected) |
| 31 | { |
| 32 | long double x = __floatuntixf(a); |
| 33 | if (x != expected) |
| 34 | { |
| 35 | utwords at; |
| 36 | at.all = a; |
| 37 | printf("error in __floatuntixf(0x%.16llX%.16llX) = %LA, expected %LA\n", |
Daniel Dunbar | cff5248 | 2009-10-27 17:49:07 +0000 | [diff] [blame] | 38 | at.s.high, at.s.low, x, expected); |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 39 | } |
| 40 | return x != expected; |
| 41 | } |
| 42 | |
| 43 | char assumption_1[sizeof(tu_int) == 2*sizeof(du_int)] = {0}; |
| 44 | char assumption_2[sizeof(tu_int)*CHAR_BIT == 128] = {0}; |
| 45 | char assumption_3[sizeof(long double)*CHAR_BIT == 128] = {0}; |
| 46 | |
| 47 | #endif |
| 48 | |
| 49 | int main() |
| 50 | { |
| 51 | #if __x86_64 |
| 52 | if (test__floatuntixf(0, 0.0)) |
| 53 | return 1; |
| 54 | |
| 55 | if (test__floatuntixf(1, 1.0)) |
| 56 | return 1; |
| 57 | if (test__floatuntixf(2, 2.0)) |
| 58 | return 1; |
| 59 | if (test__floatuntixf(20, 20.0)) |
| 60 | return 1; |
| 61 | |
| 62 | if (test__floatuntixf(0x7FFFFF8000000000ULL, 0x1.FFFFFEp+62)) |
| 63 | return 1; |
| 64 | if (test__floatuntixf(0x7FFFFFFFFFFFF800ULL, 0x1.FFFFFFFFFFFFEp+62)) |
| 65 | return 1; |
| 66 | if (test__floatuntixf(0x7FFFFF0000000000ULL, 0x1.FFFFFCp+62)) |
| 67 | return 1; |
| 68 | if (test__floatuntixf(0x7FFFFFFFFFFFF000ULL, 0x1.FFFFFFFFFFFFCp+62)) |
| 69 | return 1; |
| 70 | if (test__floatuntixf(0x7FFFFFFFFFFFFFFFULL, 0xF.FFFFFFFFFFFFFFEp+59L)) |
| 71 | return 1; |
| 72 | if (test__floatuntixf(0xFFFFFFFFFFFFFFFEULL, 0xF.FFFFFFFFFFFFFFEp+60L)) |
| 73 | return 1; |
| 74 | if (test__floatuntixf(0xFFFFFFFFFFFFFFFFULL, 0xF.FFFFFFFFFFFFFFFp+60L)) |
| 75 | return 1; |
| 76 | |
| 77 | if (test__floatuntixf(0x8000008000000000ULL, 0x8.000008p+60)) |
| 78 | return 1; |
| 79 | if (test__floatuntixf(0x8000000000000800ULL, 0x8.0000000000008p+60)) |
| 80 | return 1; |
| 81 | if (test__floatuntixf(0x8000010000000000ULL, 0x8.00001p+60)) |
| 82 | return 1; |
| 83 | if (test__floatuntixf(0x8000000000001000ULL, 0x8.000000000001p+60)) |
| 84 | return 1; |
| 85 | |
| 86 | if (test__floatuntixf(0x8000000000000000ULL, 0x8p+60)) |
| 87 | return 1; |
| 88 | if (test__floatuntixf(0x8000000000000001ULL, 0x8.000000000000001p+60L)) |
| 89 | return 1; |
| 90 | |
| 91 | if (test__floatuntixf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50)) |
| 92 | return 1; |
| 93 | |
| 94 | if (test__floatuntixf(0x0007FB72EA000000LL, 0x1.FEDCBA8p+50)) |
| 95 | return 1; |
| 96 | if (test__floatuntixf(0x0007FB72EB000000LL, 0x1.FEDCBACp+50)) |
| 97 | return 1; |
| 98 | if (test__floatuntixf(0x0007FB72EBFFFFFFLL, 0x1.FEDCBAFFFFFFCp+50)) |
| 99 | return 1; |
| 100 | if (test__floatuntixf(0x0007FB72EC000000LL, 0x1.FEDCBBp+50)) |
| 101 | return 1; |
| 102 | if (test__floatuntixf(0x0007FB72E8000001LL, 0x1.FEDCBA0000004p+50)) |
| 103 | return 1; |
| 104 | |
| 105 | if (test__floatuntixf(0x0007FB72E6000000LL, 0x1.FEDCB98p+50)) |
| 106 | return 1; |
| 107 | if (test__floatuntixf(0x0007FB72E7000000LL, 0x1.FEDCB9Cp+50)) |
| 108 | return 1; |
| 109 | if (test__floatuntixf(0x0007FB72E7FFFFFFLL, 0x1.FEDCB9FFFFFFCp+50)) |
| 110 | return 1; |
| 111 | if (test__floatuntixf(0x0007FB72E4000001LL, 0x1.FEDCB90000004p+50)) |
| 112 | return 1; |
| 113 | if (test__floatuntixf(0x0007FB72E4000000LL, 0x1.FEDCB9p+50)) |
| 114 | return 1; |
| 115 | |
| 116 | if (test__floatuntixf(0x023479FD0E092DC0LL, 0x1.1A3CFE870496Ep+57)) |
| 117 | return 1; |
| 118 | if (test__floatuntixf(0x023479FD0E092DA1LL, 0x1.1A3CFE870496D08p+57L)) |
| 119 | return 1; |
| 120 | if (test__floatuntixf(0x023479FD0E092DB0LL, 0x1.1A3CFE870496D8p+57L)) |
| 121 | return 1; |
| 122 | if (test__floatuntixf(0x023479FD0E092DB8LL, 0x1.1A3CFE870496DCp+57L)) |
| 123 | return 1; |
| 124 | if (test__floatuntixf(0x023479FD0E092DB6LL, 0x1.1A3CFE870496DBp+57L)) |
| 125 | return 1; |
| 126 | if (test__floatuntixf(0x023479FD0E092DBFLL, 0x1.1A3CFE870496DF8p+57L)) |
| 127 | return 1; |
| 128 | if (test__floatuntixf(0x023479FD0E092DC1LL, 0x1.1A3CFE870496E08p+57L)) |
| 129 | return 1; |
| 130 | if (test__floatuntixf(0x023479FD0E092DC7LL, 0x1.1A3CFE870496E38p+57L)) |
| 131 | return 1; |
| 132 | if (test__floatuntixf(0x023479FD0E092DC8LL, 0x1.1A3CFE870496E4p+57L)) |
| 133 | return 1; |
| 134 | if (test__floatuntixf(0x023479FD0E092DCFLL, 0x1.1A3CFE870496E78p+57L)) |
| 135 | return 1; |
| 136 | if (test__floatuntixf(0x023479FD0E092DD0LL, 0x1.1A3CFE870496E8p+57L)) |
| 137 | return 1; |
| 138 | if (test__floatuntixf(0x023479FD0E092DD1LL, 0x1.1A3CFE870496E88p+57L)) |
| 139 | return 1; |
| 140 | if (test__floatuntixf(0x023479FD0E092DD8LL, 0x1.1A3CFE870496ECp+57L)) |
| 141 | return 1; |
| 142 | if (test__floatuntixf(0x023479FD0E092DDFLL, 0x1.1A3CFE870496EF8p+57L)) |
| 143 | return 1; |
| 144 | if (test__floatuntixf(0x023479FD0E092DE0LL, 0x1.1A3CFE870496Fp+57)) |
| 145 | return 1; |
| 146 | |
| 147 | if (test__floatuntixf(make_ti(0x023479FD0E092DC0LL, 0), 0x1.1A3CFE870496Ep+121L)) |
| 148 | return 1; |
| 149 | if (test__floatuntixf(make_ti(0x023479FD0E092DA1LL, 1), 0x1.1A3CFE870496D08p+121L)) |
| 150 | return 1; |
| 151 | if (test__floatuntixf(make_ti(0x023479FD0E092DB0LL, 2), 0x1.1A3CFE870496D8p+121L)) |
| 152 | return 1; |
| 153 | if (test__floatuntixf(make_ti(0x023479FD0E092DB8LL, 3), 0x1.1A3CFE870496DCp+121L)) |
| 154 | return 1; |
| 155 | if (test__floatuntixf(make_ti(0x023479FD0E092DB6LL, 4), 0x1.1A3CFE870496DBp+121L)) |
| 156 | return 1; |
| 157 | if (test__floatuntixf(make_ti(0x023479FD0E092DBFLL, 5), 0x1.1A3CFE870496DF8p+121L)) |
| 158 | return 1; |
| 159 | if (test__floatuntixf(make_ti(0x023479FD0E092DC1LL, 6), 0x1.1A3CFE870496E08p+121L)) |
| 160 | return 1; |
| 161 | if (test__floatuntixf(make_ti(0x023479FD0E092DC7LL, 7), 0x1.1A3CFE870496E38p+121L)) |
| 162 | return 1; |
| 163 | if (test__floatuntixf(make_ti(0x023479FD0E092DC8LL, 8), 0x1.1A3CFE870496E4p+121L)) |
| 164 | return 1; |
| 165 | if (test__floatuntixf(make_ti(0x023479FD0E092DCFLL, 9), 0x1.1A3CFE870496E78p+121L)) |
| 166 | return 1; |
| 167 | if (test__floatuntixf(make_ti(0x023479FD0E092DD0LL, 0), 0x1.1A3CFE870496E8p+121L)) |
| 168 | return 1; |
| 169 | if (test__floatuntixf(make_ti(0x023479FD0E092DD1LL, 11), 0x1.1A3CFE870496E88p+121L)) |
| 170 | return 1; |
| 171 | if (test__floatuntixf(make_ti(0x023479FD0E092DD8LL, 12), 0x1.1A3CFE870496ECp+121L)) |
| 172 | return 1; |
| 173 | if (test__floatuntixf(make_ti(0x023479FD0E092DDFLL, 13), 0x1.1A3CFE870496EF8p+121L)) |
| 174 | return 1; |
| 175 | if (test__floatuntixf(make_ti(0x023479FD0E092DE0LL, 14), 0x1.1A3CFE870496Fp+121L)) |
| 176 | return 1; |
| 177 | |
| 178 | if (test__floatuntixf(make_ti(0, 0xFFFFFFFFFFFFFFFFLL), 0x1.FFFFFFFFFFFFFFFEp+63L)) |
| 179 | return 1; |
| 180 | |
| 181 | if (test__floatuntixf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x0000000000000000LL), |
| 182 | 0x1.FFFFFFFFFFFFFFFEp+127L)) |
| 183 | return 1; |
| 184 | if (test__floatuntixf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), |
| 185 | 0x1.0000000000000000p+128L)) |
| 186 | return 1; |
| 187 | |
| 188 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x3456100000000001LL), |
| 189 | 0x1.2345678901234562p+108L)) |
| 190 | return 1; |
| 191 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x3456200000000000LL), |
| 192 | 0x1.2345678901234562p+108L)) |
| 193 | return 1; |
| 194 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x34562FFFFFFFFFFFLL), |
| 195 | 0x1.2345678901234562p+108L)) |
| 196 | return 1; |
| 197 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x3456300000000000LL), |
| 198 | 0x1.2345678901234564p+108L)) |
| 199 | return 1; |
| 200 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x3456400000000000LL), |
| 201 | 0x1.2345678901234564p+108L)) |
| 202 | return 1; |
| 203 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x34564FFFFFFFFFFFLL), |
| 204 | 0x1.2345678901234564p+108L)) |
| 205 | return 1; |
| 206 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x3456500000000000LL), |
| 207 | 0x1.2345678901234564p+108L)) |
| 208 | return 1; |
| 209 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x3456500000000001LL), |
| 210 | 0x1.2345678901234566p+108L)) |
| 211 | return 1; |
| 212 | if (test__floatuntixf(make_ti(0x0000123456789012LL, 0x34566FFFFFFFFFFFLL), |
| 213 | 0x1.2345678901234566p+108L)) |
| 214 | return 1; |
Joerg Sonnenberger | 7482815 | 2011-05-29 21:43:29 +0000 | [diff] [blame] | 215 | #else |
| 216 | printf("skipped\n"); |
Daniel Dunbar | b3a6901 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 217 | #endif |
| 218 | return 0; |
| 219 | } |