| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_trunctfsf2 |
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| 3 | |
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| 4 | #include "int_lib.h" |
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| 5 | #include <stdio.h> |
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| 6 | |
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| 7 | #if __LDBL_MANT_DIG__ == 113 |
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| 8 | |
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| 9 | #include "fp_test.h" |
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| 10 | |
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| 11 | COMPILER_RT_ABI float __trunctfsf2(long double a); |
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| 12 | |
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| 13 | int test__trunctfsf2(long double a, uint32_t expected) |
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| 14 | { |
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| 15 | float x = __trunctfsf2(a); |
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| 16 | int ret = compareResultF(x, expected); |
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| 17 | |
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| 18 | if (ret){ |
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| 19 | printf("error in test__trunctfsf2(%.20Lf) = %f, " |
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| 20 | "expected %f\n" , a, x, fromRep32(expected)); |
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| 21 | } |
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| 22 | return ret; |
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| 23 | } |
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| 24 | |
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| 25 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
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| 26 | |
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| 27 | #endif |
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| 28 | |
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| 29 | int main() |
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| 30 | { |
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| 31 | #if __LDBL_MANT_DIG__ == 113 |
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| 32 | // qNaN |
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| 33 | if (test__trunctfsf2(makeQNaN128(), |
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| 34 | UINT32_C(0x7fc00000))) |
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| 35 | return 1; |
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| 36 | // NaN |
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| 37 | if (test__trunctfsf2(makeNaN128(UINT64_C(0x810000000000)), |
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| 38 | UINT32_C(0x7fc08000))) |
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| 39 | return 1; |
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| 40 | // inf |
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| 41 | if (test__trunctfsf2(makeInf128(), |
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| 42 | UINT32_C(0x7f800000))) |
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| 43 | return 1; |
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| 44 | // zero |
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| 45 | if (test__trunctfsf2(0.0L, UINT32_C(0x0))) |
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| 46 | return 1; |
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| 47 | |
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| 48 | if (test__trunctfsf2(0x1.23a2abb4a2ddee355f36789abcdep+5L, |
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| 49 | UINT32_C(0x4211d156))) |
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| 50 | return 1; |
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| 51 | if (test__trunctfsf2(0x1.e3d3c45bd3abfd98b76a54cc321fp-9L, |
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| 52 | UINT32_C(0x3b71e9e2))) |
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| 53 | return 1; |
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| 54 | if (test__trunctfsf2(0x1.234eebb5faa678f4488693abcdefp+4534L, |
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| 55 | UINT32_C(0x7f800000))) |
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| 56 | return 1; |
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| 57 | if (test__trunctfsf2(0x1.edcba9bb8c76a5a43dd21f334634p-435L, |
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| 58 | UINT32_C(0x0))) |
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| 59 | return 1; |
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| 60 | |
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| 61 | #else |
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| 62 | printf(format: "skipped\n" ); |
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| 63 | |
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| 64 | #endif |
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| 65 | return 0; |
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| 66 | } |
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| 67 | |
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