| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| // REQUIRES: librt_has_floatuntitf |
| |
| #define QUAD_PRECISION |
| #include "fp_lib.h" |
| #include "int_lib.h" |
| #include <float.h> |
| #include <stdio.h> |
| |
| // The testcase currently assumes IEEE TF format, once that has been |
| // fixed the defined(CRT_HAS_IEEE_TF) guard can be removed to enable it for |
| // IBM 128 floats as well. |
| #if defined(CRT_HAS_IEEE_TF) |
| |
| # include "fp_test.h" |
| |
| /* Returns: convert a tu_int to a tf_float, rounding toward even. */ |
| |
| /* Assumption: tf_float is a IEEE 128 bit floating point type |
| * tu_int is a 128 bit integral type |
| */ |
| |
| /* seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | |
| * mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm |
| */ |
| |
| COMPILER_RT_ABI tf_float __floatuntitf(tu_int a); |
| |
| int _test__floatuntitf(int line, tu_int a, tf_float expected) { |
| tf_float x = __floatuntitf(a); |
| if (x != expected) { |
| utwords at; |
| at.all = a; |
| __uint128_t expected_rep = toRep128(expected); |
| __uint128_t res_rep = toRep128(x); |
| printf("%s:%d: error in __floatuntitf(0x%.16llX%.16llX) = " |
| "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", |
| __FILE__, line, at.s.high, at.s.low, (uint64_t)(res_rep >> 64), |
| (uint64_t)res_rep, (uint64_t)(expected_rep >> 64), |
| (uint64_t)expected_rep); |
| } |
| return x != expected; |
| } |
| # define test__floatuntitf(a, e) _test__floatuntitf(__LINE__, a, e) |
| |
| char assumption_1[sizeof(tu_int) == 2 * sizeof(du_int)] = {0}; |
| char assumption_2[sizeof(tu_int) * CHAR_BIT == 128] = {0}; |
| char assumption_3[sizeof(tf_float) * CHAR_BIT == 128] = {0}; |
| |
| #endif |
| |
| int main() { |
| #if defined(CRT_HAS_IEEE_TF) |
| if (test__floatuntitf(0, TF_C(0.0))) |
| return 1; |
| |
| if (test__floatuntitf(1, TF_C(1.0))) |
| return 1; |
| if (test__floatuntitf(2, TF_C(2.0))) |
| return 1; |
| if (test__floatuntitf(20, TF_C(20.0))) |
| return 1; |
| |
| if (test__floatuntitf(0x7FFFFF8000000000ULL, TF_C(0x1.FFFFFEp+62))) |
| return 1; |
| if (test__floatuntitf(0x7FFFFFFFFFFFF800ULL, TF_C(0x1.FFFFFFFFFFFFEp+62))) |
| return 1; |
| if (test__floatuntitf(0x7FFFFF0000000000ULL, TF_C(0x1.FFFFFCp+62))) |
| return 1; |
| if (test__floatuntitf(0x7FFFFFFFFFFFF000ULL, TF_C(0x1.FFFFFFFFFFFFCp+62))) |
| return 1; |
| if (test__floatuntitf(0x7FFFFFFFFFFFFFFFULL, TF_C(0xF.FFFFFFFFFFFFFFEp+59))) |
| return 1; |
| if (test__floatuntitf(0xFFFFFFFFFFFFFFFEULL, TF_C(0xF.FFFFFFFFFFFFFFEp+60))) |
| return 1; |
| if (test__floatuntitf(0xFFFFFFFFFFFFFFFFULL, TF_C(0xF.FFFFFFFFFFFFFFFp+60))) |
| return 1; |
| |
| if (test__floatuntitf(0x8000008000000000ULL, TF_C(0x8.000008p+60))) |
| return 1; |
| if (test__floatuntitf(0x8000000000000800ULL, TF_C(0x8.0000000000008p+60))) |
| return 1; |
| if (test__floatuntitf(0x8000010000000000ULL, TF_C(0x8.00001p+60))) |
| return 1; |
| if (test__floatuntitf(0x8000000000001000ULL, TF_C(0x8.000000000001p+60))) |
| return 1; |
| |
| if (test__floatuntitf(0x8000000000000000ULL, TF_C(0x8p+60))) |
| return 1; |
| if (test__floatuntitf(0x8000000000000001ULL, TF_C(0x8.000000000000001p+60))) |
| return 1; |
| |
| if (test__floatuntitf(0x0007FB72E8000000LL, TF_C(0x1.FEDCBAp+50))) |
| return 1; |
| |
| if (test__floatuntitf(0x0007FB72EA000000LL, TF_C(0x1.FEDCBA8p+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72EB000000LL, TF_C(0x1.FEDCBACp+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72EBFFFFFFLL, TF_C(0x1.FEDCBAFFFFFFCp+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72EC000000LL, TF_C(0x1.FEDCBBp+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72E8000001LL, TF_C(0x1.FEDCBA0000004p+50))) |
| return 1; |
| |
| if (test__floatuntitf(0x0007FB72E6000000LL, TF_C(0x1.FEDCB98p+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72E7000000LL, TF_C(0x1.FEDCB9Cp+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72E7FFFFFFLL, TF_C(0x1.FEDCB9FFFFFFCp+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72E4000001LL, TF_C(0x1.FEDCB90000004p+50))) |
| return 1; |
| if (test__floatuntitf(0x0007FB72E4000000LL, TF_C(0x1.FEDCB9p+50))) |
| return 1; |
| |
| if (test__floatuntitf(0x023479FD0E092DC0LL, TF_C(0x1.1A3CFE870496Ep+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DA1LL, TF_C(0x1.1A3CFE870496D08p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DB0LL, TF_C(0x1.1A3CFE870496D8p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DB8LL, TF_C(0x1.1A3CFE870496DCp+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DB6LL, TF_C(0x1.1A3CFE870496DBp+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DBFLL, TF_C(0x1.1A3CFE870496DF8p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DC1LL, TF_C(0x1.1A3CFE870496E08p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DC7LL, TF_C(0x1.1A3CFE870496E38p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DC8LL, TF_C(0x1.1A3CFE870496E4p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DCFLL, TF_C(0x1.1A3CFE870496E78p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DD0LL, TF_C(0x1.1A3CFE870496E8p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DD1LL, TF_C(0x1.1A3CFE870496E88p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DD8LL, TF_C(0x1.1A3CFE870496ECp+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DDFLL, TF_C(0x1.1A3CFE870496EF8p+57))) |
| return 1; |
| if (test__floatuntitf(0x023479FD0E092DE0LL, TF_C(0x1.1A3CFE870496Fp+57))) |
| return 1; |
| |
| if (test__floatuntitf(make_ti(0x023479FD0E092DC0LL, 0), |
| TF_C(0x1.1A3CFE870496Ep+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DA1LL, 1), |
| TF_C(0x1.1A3CFE870496D08p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DB0LL, 2), |
| TF_C(0x1.1A3CFE870496D8p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DB8LL, 3), |
| TF_C(0x1.1A3CFE870496DCp+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DB6LL, 4), |
| TF_C(0x1.1A3CFE870496DBp+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DBFLL, 5), |
| TF_C(0x1.1A3CFE870496DF8p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DC1LL, 6), |
| TF_C(0x1.1A3CFE870496E08p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DC7LL, 7), |
| TF_C(0x1.1A3CFE870496E38p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DC8LL, 8), |
| TF_C(0x1.1A3CFE870496E4p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DCFLL, 9), |
| TF_C(0x1.1A3CFE870496E78p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DD0LL, 0), |
| TF_C(0x1.1A3CFE870496E8p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DD1LL, 11), |
| TF_C(0x1.1A3CFE870496E88p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DD8LL, 12), |
| TF_C(0x1.1A3CFE870496ECp+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DDFLL, 13), |
| TF_C(0x1.1A3CFE870496EF8p+121))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x023479FD0E092DE0LL, 14), |
| TF_C(0x1.1A3CFE870496Fp+121))) |
| return 1; |
| |
| if (test__floatuntitf(make_ti(0, 0xFFFFFFFFFFFFFFFFLL), |
| TF_C(0x1.FFFFFFFFFFFFFFFEp+63))) |
| return 1; |
| |
| if (test__floatuntitf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x0000000000000000LL), |
| TF_C(0x1.FFFFFFFFFFFFFFFEp+127))) |
| return 1; |
| if (test__floatuntitf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), |
| TF_C(0x1.0000000000000000p+128))) |
| return 1; |
| |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC2801LL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC3p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3000LL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC3p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC37FFLL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC3p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3800LL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4000LL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC47FFLL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4800LL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4801LL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC5p+124))) |
| return 1; |
| if (test__floatuntitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC57FFLL), |
| TF_C(0x1.23456789ABCDEF0123456789ABC5p+124))) |
| return 1; |
| #else |
| printf("skipped\n"); |
| #endif |
| return 0; |
| } |
