52 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_floatsitf3 4#include "int_lib.h"5#include <stdio.h>6 7#if __LDBL_MANT_DIG__ == 1138 9#include "fp_test.h"10 11COMPILER_RT_ABI long double __floatsitf(si_int a);12 13int test__floatsitf(si_int a, uint64_t expectedHi, uint64_t expectedLo)14{15 long double x = __floatsitf(a);16 int ret = compareResultF128(x, expectedHi, expectedLo);17 18 if (ret)19 {20 printf("error in test__floatsitf(%d) = %.20Lf, "21 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));22 }23 return ret;24}25 26char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};27 28#endif29 30int main()31{32#if __LDBL_MANT_DIG__ == 11333 if (test__floatsitf(0x80000000, UINT64_C(0xc01e000000000000), UINT64_C(0x0)))34 return 1;35 if (test__floatsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))36 return 1;37 if (test__floatsitf(0, UINT64_C(0x0), UINT64_C(0x0)))38 return 1;39 if (test__floatsitf(0xffffffff, UINT64_C(0xbfff000000000000), UINT64_C(0x0)))40 return 1;41 if (test__floatsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))42 return 1;43 if (test__floatsitf(-0x12345678, UINT64_C(0xc01b234567800000), UINT64_C(0x0)))44 return 1;45 46#else47 printf("skipped\n");48 49#endif50 return 0;51}52