projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 92a42be0 SL |
1 | //===--------------- extendhfsf2_test.c - Test __extendhfsf2 --------------===// |
| 2 | // | |
| 3 | // The LLVM Compiler Infrastructure | |
| 4 | // | |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open | |
| 6 | // Source Licenses. See LICENSE.TXT for details. | |
| 7 | // | |
| 8 | //===----------------------------------------------------------------------===// | |
| 9 | // | |
| 10 | // This file tests __extendhfsf2 for the compiler_rt library. | |
| 11 | // | |
| 12 | //===----------------------------------------------------------------------===// | |
| 13 | ||
| 14 | #include <stdio.h> | |
| 15 | ||
| 16 | #include "fp_test.h" | |
| 17 | ||
| 18 | float __extendhfsf2(uint16_t a); | |
| 19 | ||
| 20 | int test__extendhfsf2(uint16_t a, float expected) | |
| 21 | { | |
| 22 | float x = __extendhfsf2(a); | |
| 23 | int ret = compareResultH(x, expected); | |
| 24 | ||
| 25 | if (ret){ | |
| 26 | printf("error in test__extendhfsf2(%#.4x) = %f, " | |
| 27 | "expected %f\n", a, x, expected); | |
| 28 | } | |
| 29 | return ret; | |
| 30 | } | |
| 31 | ||
| 32 | char assumption_1[sizeof(__fp16) * CHAR_BIT == 16] = {0}; | |
| 33 | ||
| 34 | int main() | |
| 35 | { | |
| 36 | // qNaN | |
| 37 | if (test__extendhfsf2(UINT16_C(0x7e00), | |
| 38 | makeQNaN32())) | |
| 39 | return 1; | |
| 40 | // NaN | |
| 41 | if (test__extendhfsf2(UINT16_C(0x7e00), | |
| 42 | makeNaN32(UINT32_C(0x8000)))) | |
| 43 | return 1; | |
| 44 | // inf | |
| 45 | if (test__extendhfsf2(UINT16_C(0x7c00), | |
| 46 | makeInf32())) | |
| 47 | return 1; | |
| 48 | if (test__extendhfsf2(UINT16_C(0xfc00), | |
| 49 | -makeInf32())) | |
| 50 | return 1; | |
| 51 | // zero | |
| 52 | if (test__extendhfsf2(UINT16_C(0x0), | |
| 53 | 0.0f)) | |
| 54 | return 1; | |
| 55 | if (test__extendhfsf2(UINT16_C(0x8000), | |
| 56 | -0.0f)) | |
| 57 | return 1; | |
| 58 | ||
| 59 | if (test__extendhfsf2(UINT16_C(0x4248), | |
| 60 | 3.1415926535f)) | |
| 61 | return 1; | |
| 62 | if (test__extendhfsf2(UINT16_C(0xc248), | |
| 63 | -3.1415926535f)) | |
| 64 | return 1; | |
| 65 | if (test__extendhfsf2(UINT16_C(0x7c00), | |
| 66 | 0x1.987124876876324p+100f)) | |
| 67 | return 1; | |
| 68 | if (test__extendhfsf2(UINT16_C(0x6e62), | |
| 69 | 0x1.988p+12f)) | |
| 70 | return 1; | |
| 71 | if (test__extendhfsf2(UINT16_C(0x3c00), | |
| 72 | 0x1.0p+0f)) | |
| 73 | return 1; | |
| 74 | if (test__extendhfsf2(UINT16_C(0x0400), | |
| 75 | 0x1.0p-14f)) | |
| 76 | return 1; | |
| 77 | // denormal | |
| 78 | if (test__extendhfsf2(UINT16_C(0x0010), | |
| 79 | 0x1.0p-20f)) | |
| 80 | return 1; | |
| 81 | if (test__extendhfsf2(UINT16_C(0x0001), | |
| 82 | 0x1.0p-24f)) | |
| 83 | return 1; | |
| 84 | if (test__extendhfsf2(UINT16_C(0x8001), | |
| 85 | -0x1.0p-24f)) | |
| 86 | return 1; | |
| 87 | if (test__extendhfsf2(UINT16_C(0x0001), | |
| 88 | 0x1.5p-25f)) | |
| 89 | return 1; | |
| 90 | // and back to zero | |
| 91 | if (test__extendhfsf2(UINT16_C(0x0000), | |
| 92 | 0x1.0p-25f)) | |
| 93 | return 1; | |
| 94 | if (test__extendhfsf2(UINT16_C(0x8000), | |
| 95 | -0x1.0p-25f)) | |
| 96 | return 1; | |
| 97 | // max (precise) | |
| 98 | if (test__extendhfsf2(UINT16_C(0x7bff), | |
| 99 | 65504.0f)) | |
| 100 | return 1; | |
| 101 | // max (rounded) | |
| 102 | if (test__extendhfsf2(UINT16_C(0x7bff), | |
| 103 | 65504.0f)) | |
| 104 | return 1; | |
| 105 | // max (to +inf) | |
| 106 | if (test__extendhfsf2(UINT16_C(0x7c00), | |
| 107 | makeInf32())) | |
| 108 | return 1; | |
| 109 | if (test__extendhfsf2(UINT16_C(0xfc00), | |
| 110 | -makeInf32())) | |
| 111 | return 1; | |
| 112 | return 0; | |
| 113 | } |