| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_comparetf2 |
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| 3 | |
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| 4 | #include <stdio.h> |
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| 5 | |
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| 6 | #if __LP64__ && __LDBL_MANT_DIG__ == 113 |
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| 7 | |
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| 8 | #include "fp_test.h" |
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| 9 | |
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| 10 | int __lttf2(long double a, long double b); |
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| 11 | |
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| 12 | int test__lttf2(long double a, long double b, enum EXPECTED_RESULT expected) |
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| 13 | { |
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| 14 | int x = __lttf2(a, b); |
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| 15 | int ret = compareResultCMP(x, expected); |
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| 16 | |
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| 17 | if (ret){ |
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| 18 | printf("error in test__lttf2(%.20Lf, %.20Lf) = %d, " |
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| 19 | "expected %s\n" , a, b, x, expectedStr(expected)); |
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| 20 | } |
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| 21 | return ret; |
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| 22 | } |
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| 23 | |
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| 24 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
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| 25 | |
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| 26 | #endif |
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| 27 | |
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| 28 | int main() |
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| 29 | { |
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| 30 | #if __LP64__ && __LDBL_MANT_DIG__ == 113 |
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| 31 | // NaN |
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| 32 | if (test__lttf2(makeQNaN128(), |
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| 33 | 0x1.234567890abcdef1234567890abcp+3L, |
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| 34 | GREATER_EQUAL_0)) |
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| 35 | return 1; |
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| 36 | // < |
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| 37 | // exp |
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| 38 | if (test__lttf2(0x1.234567890abcdef1234567890abcp-3L, |
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| 39 | 0x1.234567890abcdef1234567890abcp+3L, |
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| 40 | LESS_0)) |
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| 41 | return 1; |
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| 42 | // mantissa |
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| 43 | if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L, |
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| 44 | 0x1.334567890abcdef1234567890abcp+3L, |
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| 45 | LESS_0)) |
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| 46 | return 1; |
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| 47 | // sign |
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| 48 | if (test__lttf2(-0x1.234567890abcdef1234567890abcp+3L, |
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| 49 | 0x1.234567890abcdef1234567890abcp+3L, |
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| 50 | LESS_0)) |
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| 51 | return 1; |
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| 52 | // == |
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| 53 | if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L, |
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| 54 | 0x1.234567890abcdef1234567890abcp+3L, |
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| 55 | GREATER_EQUAL_0)) |
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| 56 | return 1; |
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| 57 | // > |
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| 58 | // exp |
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| 59 | if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L, |
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| 60 | 0x1.234567890abcdef1234567890abcp-3L, |
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| 61 | GREATER_EQUAL_0)) |
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| 62 | return 1; |
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| 63 | // mantissa |
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| 64 | if (test__lttf2(0x1.334567890abcdef1234567890abcp+3L, |
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| 65 | 0x1.234567890abcdef1234567890abcp+3L, |
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| 66 | GREATER_EQUAL_0)) |
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| 67 | return 1; |
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| 68 | // sign |
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| 69 | if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L, |
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| 70 | -0x1.234567890abcdef1234567890abcp+3L, |
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| 71 | GREATER_EQUAL_0)) |
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| 72 | return 1; |
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| 73 | |
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| 74 | #else |
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| 75 | printf(format: "skipped\n" ); |
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| 76 | |
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| 77 | #endif |
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| 78 | return 0; |
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| 79 | } |
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| 80 | |
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