| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_extendhftf2 |
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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 && defined(COMPILER_RT_HAS_FLOAT16) |
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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 long double __extendhftf2(TYPE_FP16 a); |
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| 12 | |
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| 13 | int test__extendhftf2(TYPE_FP16 a, uint64_t expectedHi, uint64_t expectedLo) { |
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| 14 | long double x = __extendhftf2(a); |
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| 15 | int ret = compareResultF128(x, expectedHi, expectedLo); |
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| 16 | |
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| 17 | if (ret) { |
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| 18 | printf("error in test__extendhftf2(%#.4x) = %.20Lf, " |
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| 19 | "expected %.20Lf\n" , |
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| 20 | toRep16(a), x, |
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| 21 | fromRep128(expectedHi, expectedLo)); |
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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(TYPE_FP16) * CHAR_BIT == 16] = {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 | #if __LDBL_MANT_DIG__ == 113 && defined(COMPILER_RT_HAS_FLOAT16) |
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| 32 | // qNaN |
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| 33 | if (test__extendhftf2(makeQNaN16(), |
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| 34 | UINT64_C(0x7fff800000000000), |
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| 35 | UINT64_C(0x0))) |
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| 36 | return 1; |
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| 37 | // NaN |
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| 38 | if (test__extendhftf2(makeNaN16(UINT16_C(0x0100)), |
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| 39 | UINT64_C(0x7fff400000000000), |
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| 40 | UINT64_C(0x0))) |
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| 41 | return 1; |
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| 42 | // inf |
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| 43 | if (test__extendhftf2(makeInf16(), |
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| 44 | UINT64_C(0x7fff000000000000), |
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| 45 | UINT64_C(0x0))) |
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| 46 | return 1; |
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| 47 | if (test__extendhftf2(-makeInf16(), |
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| 48 | UINT64_C(0xffff000000000000), |
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| 49 | UINT64_C(0x0))) |
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| 50 | return 1; |
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| 51 | // zero |
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| 52 | if (test__extendhftf2(fromRep16(0x0U), |
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| 53 | UINT64_C(0x0), UINT64_C(0x0))) |
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| 54 | return 1; |
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| 55 | if (test__extendhftf2(fromRep16(0x8000U), |
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| 56 | UINT64_C(0x8000000000000000), |
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| 57 | UINT64_C(0x0))) |
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| 58 | return 1; |
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| 59 | // denormal |
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| 60 | if (test__extendhftf2(fromRep16(0x0010U), |
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| 61 | UINT64_C(0x3feb000000000000), |
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| 62 | UINT64_C(0x0000000000000000))) |
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| 63 | return 1; |
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| 64 | if (test__extendhftf2(fromRep16(0x0001U), |
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| 65 | UINT64_C(0x3fe7000000000000), |
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| 66 | UINT64_C(0x0000000000000000))) |
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| 67 | return 1; |
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| 68 | if (test__extendhftf2(fromRep16(0x8001U), |
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| 69 | UINT64_C(0xbfe7000000000000), |
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| 70 | UINT64_C(0x0000000000000000))) |
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| 71 | return 1; |
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| 72 | |
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| 73 | // pi |
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| 74 | if (test__extendhftf2(fromRep16(0x4248U), |
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| 75 | UINT64_C(0x4000920000000000), |
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| 76 | UINT64_C(0x0000000000000000))) |
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| 77 | return 1; |
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| 78 | if (test__extendhftf2(fromRep16(0xc248U), |
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| 79 | UINT64_C(0xc000920000000000), |
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| 80 | UINT64_C(0x0000000000000000))) |
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| 81 | return 1; |
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| 82 | |
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| 83 | if (test__extendhftf2(fromRep16(0x508cU), |
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| 84 | UINT64_C(0x4004230000000000), |
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| 85 | UINT64_C(0x0))) |
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| 86 | return 1; |
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| 87 | if (test__extendhftf2(fromRep16(0x1bb7U), |
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| 88 | UINT64_C(0x3ff6edc000000000), |
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| 89 | UINT64_C(0x0))) |
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| 90 | return 1; |
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| 91 | #else |
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| 92 | printf(format: "skipped\n" ); |
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| 93 | #endif |
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| 94 | return 0; |
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| 95 | } |
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| 96 | |
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