| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_extendhfdf2 |
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| 3 | |
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| 4 | #include <stdio.h> |
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| 5 | |
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| 6 | #include "fp_test.h" |
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| 7 | |
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| 8 | double __extendhfdf2(TYPE_FP16 a); |
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| 9 | |
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| 10 | int test__extendhfdf2(TYPE_FP16 a, uint64_t expected) |
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| 11 | { |
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| 12 | double x = __extendhfdf2(a); |
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| 13 | int ret = compareResultD(result: x, expected); |
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| 14 | |
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| 15 | if (ret){ |
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| 16 | printf(format: "error in test__extendhfdf2(%#.4x) = %f, " |
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| 17 | "expected %f\n" , toRep16(x: a), x, fromRep64(x: expected)); |
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| 18 | } |
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| 19 | return ret; |
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| 20 | } |
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| 21 | |
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| 22 | char assumption_1[sizeof(TYPE_FP16) * CHAR_BIT == 16] = {0}; |
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| 23 | |
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| 24 | int main() |
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| 25 | { |
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| 26 | // qNaN |
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| 27 | if (test__extendhfdf2(a: makeQNaN16(), |
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| 28 | UINT64_C(0x7ff8000000000000))) |
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| 29 | return 1; |
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| 30 | // NaN |
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| 31 | if (test__extendhfdf2(a: fromRep16(x: 0x7f80), |
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| 32 | UINT64_C(0x7ffe000000000000))) |
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| 33 | return 1; |
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| 34 | // inf |
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| 35 | if (test__extendhfdf2(a: makeInf16(), |
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| 36 | UINT64_C(0x7ff0000000000000))) |
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| 37 | return 1; |
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| 38 | // -inf |
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| 39 | if (test__extendhfdf2(a: makeNegativeInf16(), |
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| 40 | UINT64_C(0xfff0000000000000))) |
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| 41 | return 1; |
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| 42 | // zero |
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| 43 | if (test__extendhfdf2(a: fromRep16(x: 0x0), |
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| 44 | UINT64_C(0x0))) |
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| 45 | return 1; |
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| 46 | // -zero |
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| 47 | if (test__extendhfdf2(a: fromRep16(x: 0x8000), |
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| 48 | UINT64_C(0x8000000000000000))) |
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| 49 | return 1; |
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| 50 | if (test__extendhfdf2(a: fromRep16(x: 0x4248), |
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| 51 | UINT64_C(0x4009200000000000))) |
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| 52 | return 1; |
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| 53 | if (test__extendhfdf2(a: fromRep16(x: 0xc248), |
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| 54 | UINT64_C(0xc009200000000000))) |
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| 55 | return 1; |
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| 56 | if (test__extendhfdf2(a: fromRep16(x: 0x6e62), |
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| 57 | UINT64_C(0x40b9880000000000))) |
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| 58 | return 1; |
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| 59 | if (test__extendhfdf2(a: fromRep16(x: 0x3c00), |
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| 60 | UINT64_C(0x3ff0000000000000))) |
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| 61 | return 1; |
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| 62 | if (test__extendhfdf2(a: fromRep16(x: 0x0400), |
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| 63 | UINT64_C(0x3f10000000000000))) |
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| 64 | return 1; |
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| 65 | // denormal |
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| 66 | if (test__extendhfdf2(a: fromRep16(x: 0x0010), |
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| 67 | UINT64_C(0x3eb0000000000000))) |
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| 68 | return 1; |
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| 69 | if (test__extendhfdf2(a: fromRep16(x: 0x0001), |
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| 70 | UINT64_C(0x3e70000000000000))) |
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| 71 | return 1; |
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| 72 | if (test__extendhfdf2(a: fromRep16(x: 0x8001), |
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| 73 | UINT64_C(0xbe70000000000000))) |
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| 74 | return 1; |
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| 75 | if (test__extendhfdf2(a: fromRep16(x: 0x0001), |
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| 76 | UINT64_C(0x3e70000000000000))) |
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| 77 | return 1; |
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| 78 | // max (precise) |
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| 79 | if (test__extendhfdf2(a: fromRep16(x: 0x7bff), |
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| 80 | UINT64_C(0x40effc0000000000))) |
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| 81 | return 1; |
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| 82 | // max (rounded) |
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| 83 | if (test__extendhfdf2(a: fromRep16(x: 0x7bff), |
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| 84 | UINT64_C(0x40effc0000000000))) |
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| 85 | return 1; |
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| 86 | return 0; |
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| 87 | } |
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| 88 | |
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