| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_trunctfdf2 |
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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 double __trunctfdf2(long double a); |
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| 12 | |
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| 13 | int test__trunctfdf2(long double a, uint64_t expected) |
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| 14 | { |
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| 15 | double x = __trunctfdf2(a); |
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| 16 | int ret = compareResultD(x, expected); |
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| 17 | |
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| 18 | if (ret) |
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| 19 | { |
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| 20 | printf("error in test__trunctfdf2(%.20Lf) = %lf, " |
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| 21 | "expected %lf\n" , a, x, fromRep64(expected)); |
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| 22 | } |
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| 23 | return ret; |
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| 24 | } |
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| 25 | |
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| 26 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
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| 27 | |
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| 28 | #endif |
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| 29 | |
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| 30 | int main() |
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| 31 | { |
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| 32 | #if __LDBL_MANT_DIG__ == 113 |
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| 33 | // qNaN |
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| 34 | if (test__trunctfdf2(makeQNaN128(), |
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| 35 | UINT64_C(0x7ff8000000000000))) |
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| 36 | return 1; |
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| 37 | // NaN |
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| 38 | if (test__trunctfdf2(makeNaN128(UINT64_C(0x810000000000)), |
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| 39 | UINT64_C(0x7ff8100000000000))) |
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| 40 | return 1; |
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| 41 | // inf |
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| 42 | if (test__trunctfdf2(makeInf128(), |
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| 43 | UINT64_C(0x7ff0000000000000))) |
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| 44 | return 1; |
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| 45 | // zero |
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| 46 | if (test__trunctfdf2(0.0L, UINT64_C(0x0))) |
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| 47 | return 1; |
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| 48 | |
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| 49 | if (test__trunctfdf2(0x1.af23456789bbaaab347645365cdep+5L, |
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| 50 | UINT64_C(0x404af23456789bbb))) |
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| 51 | return 1; |
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| 52 | if (test__trunctfdf2(0x1.dedafcff354b6ae9758763545432p-9L, |
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| 53 | UINT64_C(0x3f6dedafcff354b7))) |
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| 54 | return 1; |
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| 55 | if (test__trunctfdf2(0x1.2f34dd5f437e849b4baab754cdefp+4534L, |
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| 56 | UINT64_C(0x7ff0000000000000))) |
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| 57 | return 1; |
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| 58 | if (test__trunctfdf2(0x1.edcbff8ad76ab5bf46463233214fp-435L, |
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| 59 | UINT64_C(0x24cedcbff8ad76ab))) |
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| 60 | return 1; |
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| 61 | |
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| 62 | #else |
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| 63 | printf(format: "skipped\n" ); |
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| 64 | |
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| 65 | #endif |
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| 66 | return 0; |
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| 67 | } |
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| 68 | |
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