| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_extendxftf2 |
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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__ == 64 && defined(__x86_64__) && \ |
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| 8 | (defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)) |
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| 9 | |
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| 10 | #include "fp_test.h" |
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| 11 | |
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| 12 | COMPILER_RT_ABI tf_float __extendxftf2(long double a); |
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| 13 | |
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| 14 | int test__extendxftf2(long double a, uint64_t expectedHi, uint64_t expectedLo) { |
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| 15 | tf_float x = __extendxftf2(a); |
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| 16 | int ret = compareResultF128(result: x, expectedHi, expectedLo); |
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| 17 | |
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| 18 | if (ret) { |
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| 19 | printf(format: "error in __extendxftf2(%.20Lf) = %.20Lf, " |
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| 20 | "expected %.20Lf\n" , |
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| 21 | a, x, fromRep128(hi: expectedHi, lo: 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(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 | #if __LDBL_MANT_DIG__ == 64 && defined(__x86_64__) && \ |
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| 32 | (defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)) |
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| 33 | // qNaN |
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| 34 | if (test__extendxftf2(a: makeQNaN80(), 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__extendxftf2(a: makeNaN80(UINT64_C(0x3fffffffffffffff)), |
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| 39 | UINT64_C(0x7fff7fffffffffff), |
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| 40 | UINT64_C(0xfffe000000000000))) |
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| 41 | return 1; |
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| 42 | // inf |
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| 43 | if (test__extendxftf2(a: makeInf80(), UINT64_C(0x7fff000000000000), |
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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__extendxftf2(a: 0.0, UINT64_C(0x0), UINT64_C(0x0))) |
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| 48 | return 1; |
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| 49 | if (test__extendxftf2(a: 0x1.23456789abcdefp+5, UINT64_C(0x400423456789abcd), |
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| 50 | UINT64_C(0xf000000000000000))) |
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| 51 | return 1; |
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| 52 | if (test__extendxftf2(a: 0x1.edcba987654321fp-9, UINT64_C(0x3ff6edcba9876543), |
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| 53 | UINT64_C(0x2000000000000000))) |
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| 54 | return 1; |
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| 55 | if (test__extendxftf2(a: 0x1.23456789abcdefp+45, UINT64_C(0x402c23456789abcd), |
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| 56 | UINT64_C(0xf000000000000000))) |
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| 57 | return 1; |
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| 58 | if (test__extendxftf2(a: 0x1.edcba987654321fp-45, UINT64_C(0x3fd2edcba9876543), |
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| 59 | UINT64_C(0x2000000000000000))) |
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| 60 | return 1; |
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| 61 | // denormal number |
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| 62 | if (test__extendxftf2(a: 1e-4932L, UINT64_C(0x00004c248f91e526), |
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| 63 | UINT64_C(0xafe0000000000000))) |
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| 64 | return 1; |
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| 65 | // denormal number |
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| 66 | if (test__extendxftf2(a: 2e-4932L, UINT64_C(0x000098491f23ca4d), |
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| 67 | UINT64_C(0x5fc0000000000000))) |
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| 68 | return 1; |
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| 69 | #else |
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| 70 | printf("skipped\n" ); |
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| 71 | |
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| 72 | #endif |
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| 73 | return 0; |
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| 74 | } |
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| 75 | |
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