| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
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| 2 | // REQUIRES: librt_has_floatditf |
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| 3 | |
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| 4 | #include "int_lib.h" |
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| 5 | #include <complex.h> |
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| 6 | #include <math.h> |
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| 7 | #include <stdio.h> |
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| 8 | |
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| 9 | // The testcase currently assumes IEEE TF format, once that has been |
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| 10 | // fixed the defined(CRT_HAS_IEEE_TF) guard can be removed to enable it for |
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| 11 | // IBM 128 floats as well. |
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| 12 | #if defined(CRT_HAS_IEEE_TF) |
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| 13 | |
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| 14 | # include "fp_test.h" |
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| 15 | |
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| 16 | // Returns: long integer converted to tf_float |
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| 17 | |
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| 18 | COMPILER_RT_ABI tf_float __floatditf(di_int a); |
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| 19 | |
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| 20 | int test__floatditf(di_int a, uint64_t expectedHi, uint64_t expectedLo) { |
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| 21 | tf_float x = __floatditf(a); |
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| 22 | int ret = compareResultF128(result: x, expectedHi, expectedLo); |
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| 23 | |
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| 24 | if (ret) |
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| 25 | printf(format: "error in __floatditf(%Ld) = %.20Lf, " |
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| 26 | "expected %.20Lf\n" , |
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| 27 | a, x, fromRep128(hi: expectedHi, lo: expectedLo)); |
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| 28 | return ret; |
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| 29 | } |
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| 30 | |
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| 31 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
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| 32 | |
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| 33 | #endif |
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| 34 | |
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| 35 | int main() { |
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| 36 | #if defined(CRT_HAS_IEEE_TF) |
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| 37 | if (test__floatditf(a: 0x7fffffffffffffff, UINT64_C(0x403dffffffffffff), |
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| 38 | UINT64_C(0xfffc000000000000))) |
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| 39 | return 1; |
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| 40 | if (test__floatditf(a: 0x123456789abcdef1, UINT64_C(0x403b23456789abcd), |
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| 41 | UINT64_C(0xef10000000000000))) |
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| 42 | return 1; |
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| 43 | if (test__floatditf(a: 0x2, UINT64_C(0x4000000000000000), UINT64_C(0x0))) |
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| 44 | return 1; |
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| 45 | if (test__floatditf(a: 0x1, UINT64_C(0x3fff000000000000), UINT64_C(0x0))) |
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| 46 | return 1; |
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| 47 | if (test__floatditf(a: 0x0, UINT64_C(0x0), UINT64_C(0x0))) |
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| 48 | return 1; |
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| 49 | if (test__floatditf(a: 0xffffffffffffffff, UINT64_C(0xbfff000000000000), |
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| 50 | UINT64_C(0x0))) |
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| 51 | return 1; |
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| 52 | if (test__floatditf(a: 0xfffffffffffffffe, UINT64_C(0xc000000000000000), |
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| 53 | UINT64_C(0x0))) |
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| 54 | return 1; |
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| 55 | if (test__floatditf(a: -0x123456789abcdef1, UINT64_C(0xc03b23456789abcd), |
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| 56 | UINT64_C(0xef10000000000000))) |
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| 57 | return 1; |
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| 58 | if (test__floatditf(a: 0x8000000000000000, UINT64_C(0xc03e000000000000), |
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| 59 | UINT64_C(0x0))) |
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| 60 | return 1; |
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| 61 | |
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| 62 | #else |
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| 63 | printf("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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