| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
|---|
| 2 | // REQUIRES: librt_has_extendhfsf2 |
|---|
| 3 | |
|---|
| 4 | #include <stdio.h> |
|---|
| 5 | |
|---|
| 6 | #include "fp_test.h" |
|---|
| 7 | |
|---|
| 8 | float __extendhfsf2(TYPE_FP16 a); |
|---|
| 9 | |
|---|
| 10 | int test__extendhfsf2(TYPE_FP16 a, uint32_t expected) |
|---|
| 11 | { |
|---|
| 12 | float x = __extendhfsf2(a); |
|---|
| 13 | int ret = compareResultF(result: x, expected); |
|---|
| 14 | |
|---|
| 15 | if (ret){ |
|---|
| 16 | printf(format: "error in test__extendhfsf2(%#.4x) = %f, " |
|---|
| 17 | "expected %f\n" , toRep16(x: a), x, fromRep32(x: expected)); |
|---|
| 18 | } |
|---|
| 19 | return ret; |
|---|
| 20 | } |
|---|
| 21 | |
|---|
| 22 | char assumption_1[sizeof(TYPE_FP16) * CHAR_BIT == 16] = {0}; |
|---|
| 23 | |
|---|
| 24 | int main() |
|---|
| 25 | { |
|---|
| 26 | // qNaN |
|---|
| 27 | if (test__extendhfsf2(a: fromRep16(x: 0x7e00), |
|---|
| 28 | UINT32_C(0x7fc00000))) |
|---|
| 29 | return 1; |
|---|
| 30 | // NaN |
|---|
| 31 | if (test__extendhfsf2(a: fromRep16(x: 0x7f80), |
|---|
| 32 | UINT32_C(0x7ff00000))) |
|---|
| 33 | return 1; |
|---|
| 34 | // inf |
|---|
| 35 | if (test__extendhfsf2(a: fromRep16(x: 0x7c00), |
|---|
| 36 | UINT32_C(0x7f800000))) |
|---|
| 37 | return 1; |
|---|
| 38 | // -inf |
|---|
| 39 | if (test__extendhfsf2(a: fromRep16(x: 0xfc00), |
|---|
| 40 | UINT32_C(0xff800000))) |
|---|
| 41 | return 1; |
|---|
| 42 | // zero |
|---|
| 43 | if (test__extendhfsf2(a: fromRep16(x: 0x0), |
|---|
| 44 | UINT32_C(0x00000000))) |
|---|
| 45 | return 1; |
|---|
| 46 | // -zero |
|---|
| 47 | if (test__extendhfsf2(a: fromRep16(x: 0x8000), |
|---|
| 48 | UINT32_C(0x80000000))) |
|---|
| 49 | return 1; |
|---|
| 50 | if (test__extendhfsf2(a: fromRep16(x: 0x4248), |
|---|
| 51 | UINT32_C(0x40490000))) |
|---|
| 52 | return 1; |
|---|
| 53 | if (test__extendhfsf2(a: fromRep16(x: 0xc248), |
|---|
| 54 | UINT32_C(0xc0490000))) |
|---|
| 55 | return 1; |
|---|
| 56 | if (test__extendhfsf2(a: fromRep16(x: 0x6e62), |
|---|
| 57 | UINT32_C(0x45cc4000))) |
|---|
| 58 | return 1; |
|---|
| 59 | if (test__extendhfsf2(a: fromRep16(x: 0x3c00), |
|---|
| 60 | UINT32_C(0x3f800000))) |
|---|
| 61 | return 1; |
|---|
| 62 | if (test__extendhfsf2(a: fromRep16(x: 0x0400), |
|---|
| 63 | UINT32_C(0x38800000))) |
|---|
| 64 | return 1; |
|---|
| 65 | // denormal |
|---|
| 66 | if (test__extendhfsf2(a: fromRep16(x: 0x0010), |
|---|
| 67 | UINT32_C(0x35800000))) |
|---|
| 68 | return 1; |
|---|
| 69 | if (test__extendhfsf2(a: fromRep16(x: 0x0001), |
|---|
| 70 | UINT32_C(0x33800000))) |
|---|
| 71 | return 1; |
|---|
| 72 | if (test__extendhfsf2(a: fromRep16(x: 0x8001), |
|---|
| 73 | UINT32_C(0xb3800000))) |
|---|
| 74 | return 1; |
|---|
| 75 | if (test__extendhfsf2(a: fromRep16(x: 0x0001), |
|---|
| 76 | UINT32_C(0x33800000))) |
|---|
| 77 | return 1; |
|---|
| 78 | // max (precise) |
|---|
| 79 | if (test__extendhfsf2(a: fromRep16(x: 0x7bff), |
|---|
| 80 | UINT32_C(0x477fe000))) |
|---|
| 81 | return 1; |
|---|
| 82 | // max (rounded) |
|---|
| 83 | if (test__extendhfsf2(a: fromRep16(x: 0x7bff), |
|---|
| 84 | UINT32_C(0x477fe000))) |
|---|
| 85 | return 1; |
|---|
| 86 | return 0; |
|---|
| 87 | } |
|---|
| 88 | |
|---|
