1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
2 | // REQUIRES: librt_has_floatsitf |
3 | |
4 | #include "int_lib.h" |
5 | #include <stdio.h> |
6 | |
7 | #if __LDBL_MANT_DIG__ == 113 |
8 | |
9 | #include "fp_test.h" |
10 | |
11 | COMPILER_RT_ABI long double __floatsitf(si_int a); |
12 | |
13 | int 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 | |
26 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
27 | |
28 | #endif |
29 | |
30 | int main() |
31 | { |
32 | #if __LDBL_MANT_DIG__ == 113 |
33 | 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 | #else |
47 | printf(format: "skipped\n" ); |
48 | |
49 | #endif |
50 | return 0; |
51 | } |
52 | |