| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| // REQUIRES: librt_has_floattitf |
| //===-- floattitf.c - Test __floattitf ------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file tests __floattitf for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #define QUAD_PRECISION |
| #include "fp_lib.h" |
| #include "int_lib.h" |
| #include <float.h> |
| #include <stdio.h> |
| |
| #if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) |
| |
| /* Returns: convert a ti_int to a fp_t, rounding toward even. */ |
| |
| /* Assumption: fp_t is a IEEE 128 bit floating point type |
| * ti_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 fp_t __floattitf(ti_int a); |
| |
| int test__floattitf(ti_int a, fp_t expected) { |
| fp_t x = __floattitf(a); |
| if (x != expected) { |
| twords at; |
| at.all = a; |
| printf("error in __floattitf(0x%.16llX%.16llX) = %LA, expected %LA\n", |
| at.s.high, at.s.low, x, expected); |
| } |
| return x != expected; |
| } |
| |
| char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; |
| char assumption_2[sizeof(ti_int)*CHAR_BIT == 128] = {0}; |
| char assumption_3[sizeof(fp_t)*CHAR_BIT == 128] = {0}; |
| |
| #endif |
| |
| int main() { |
| #if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT) |
| if (test__floattitf(0, 0.0)) |
| return 1; |
| |
| if (test__floattitf(1, 1.0)) |
| return 1; |
| if (test__floattitf(2, 2.0)) |
| return 1; |
| if (test__floattitf(20, 20.0)) |
| return 1; |
| if (test__floattitf(-1, -1.0)) |
| return 1; |
| if (test__floattitf(-2, -2.0)) |
| return 1; |
| if (test__floattitf(-20, -20.0)) |
| return 1; |
| |
| if (test__floattitf(0x7FFFFF8000000000LL, 0x1.FFFFFEp+62)) |
| return 1; |
| if (test__floattitf(0x7FFFFFFFFFFFF800LL, 0x1.FFFFFFFFFFFFEp+62)) |
| return 1; |
| if (test__floattitf(0x7FFFFF0000000000LL, 0x1.FFFFFCp+62)) |
| return 1; |
| if (test__floattitf(0x7FFFFFFFFFFFF000LL, 0x1.FFFFFFFFFFFFCp+62)) |
| return 1; |
| |
| if (test__floattitf(make_ti(0x8000008000000000LL, 0), -0x1.FFFFFEp+126)) |
| return 1; |
| if (test__floattitf(make_ti(0x8000000000000800LL, 0), -0x1.FFFFFFFFFFFFEp+126)) |
| return 1; |
| if (test__floattitf(make_ti(0x8000010000000000LL, 0), -0x1.FFFFFCp+126)) |
| return 1; |
| if (test__floattitf(make_ti(0x8000000000001000LL, 0), -0x1.FFFFFFFFFFFFCp+126)) |
| return 1; |
| |
| if (test__floattitf(make_ti(0x8000000000000000LL, 0), -0x1.000000p+127)) |
| return 1; |
| if (test__floattitf(make_ti(0x8000000000000001LL, 0), -0x1.FFFFFFFFFFFFFFFCp+126L)) |
| return 1; |
| |
| if (test__floattitf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50)) |
| return 1; |
| |
| if (test__floattitf(0x0007FB72EA000000LL, 0x1.FEDCBA8p+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72EB000000LL, 0x1.FEDCBACp+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72EBFFFFFFLL, 0x1.FEDCBAFFFFFFCp+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72EC000000LL, 0x1.FEDCBBp+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72E8000001LL, 0x1.FEDCBA0000004p+50)) |
| return 1; |
| |
| if (test__floattitf(0x0007FB72E6000000LL, 0x1.FEDCB98p+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72E7000000LL, 0x1.FEDCB9Cp+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72E7FFFFFFLL, 0x1.FEDCB9FFFFFFCp+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72E4000001LL, 0x1.FEDCB90000004p+50)) |
| return 1; |
| if (test__floattitf(0x0007FB72E4000000LL, 0x1.FEDCB9p+50)) |
| return 1; |
| |
| if (test__floattitf(0x023479FD0E092DC0LL, 0x1.1A3CFE870496Ep+57)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DA1LL, 0x1.1A3CFE870496D08p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DB0LL, 0x1.1A3CFE870496D8p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DB8LL, 0x1.1A3CFE870496DCp+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DB6LL, 0x1.1A3CFE870496DBp+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DBFLL, 0x1.1A3CFE870496DF8p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DC1LL, 0x1.1A3CFE870496E08p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DC7LL, 0x1.1A3CFE870496E38p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DC8LL, 0x1.1A3CFE870496E4p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DCFLL, 0x1.1A3CFE870496E78p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DD0LL, 0x1.1A3CFE870496E8p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DD1LL, 0x1.1A3CFE870496E88p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DD8LL, 0x1.1A3CFE870496ECp+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DDFLL, 0x1.1A3CFE870496EF8p+57L)) |
| return 1; |
| if (test__floattitf(0x023479FD0E092DE0LL, 0x1.1A3CFE870496Fp+57)) |
| return 1; |
| |
| if (test__floattitf(make_ti(0x023479FD0E092DC0LL, 0), 0x1.1A3CFE870496Ep+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DA1LL, 1), 0x1.1A3CFE870496D08p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DB0LL, 2), 0x1.1A3CFE870496D8p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DB8LL, 3), 0x1.1A3CFE870496DCp+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DB6LL, 4), 0x1.1A3CFE870496DBp+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DBFLL, 5), 0x1.1A3CFE870496DF8p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DC1LL, 6), 0x1.1A3CFE870496E08p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DC7LL, 7), 0x1.1A3CFE870496E38p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DC8LL, 8), 0x1.1A3CFE870496E4p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DCFLL, 9), 0x1.1A3CFE870496E78p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DD0LL, 0), 0x1.1A3CFE870496E8p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DD1LL, 11), 0x1.1A3CFE870496E88p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DD8LL, 12), 0x1.1A3CFE870496ECp+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DDFLL, 13), 0x1.1A3CFE870496EF8p+121L)) |
| return 1; |
| if (test__floattitf(make_ti(0x023479FD0E092DE0LL, 14), 0x1.1A3CFE870496Fp+121L)) |
| return 1; |
| |
| if (test__floattitf(make_ti(0, 0xFFFFFFFFFFFFFFFFLL), 0x1.FFFFFFFFFFFFFFFEp+63L)) |
| return 1; |
| |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC2801LL), |
| 0x1.23456789ABCDEF0123456789ABC3p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3000LL), |
| 0x1.23456789ABCDEF0123456789ABC3p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC37FFLL), |
| 0x1.23456789ABCDEF0123456789ABC3p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3800LL), |
| 0x1.23456789ABCDEF0123456789ABC4p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4000LL), |
| 0x1.23456789ABCDEF0123456789ABC4p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC47FFLL), |
| 0x1.23456789ABCDEF0123456789ABC4p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4800LL), |
| 0x1.23456789ABCDEF0123456789ABC4p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4801LL), |
| 0x1.23456789ABCDEF0123456789ABC5p+124L)) |
| return 1; |
| if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC57FFLL), |
| 0x1.23456789ABCDEF0123456789ABC5p+124L)) |
| return 1; |
| #else |
| printf("skipped\n"); |
| #endif |
| return 0; |
| } |
