extendhfsf2_test.c revision 1.1.1.1
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 18float __extendhfsf2(uint16_t a); 19 20int 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 32char assumption_1[sizeof(__fp16) * CHAR_BIT == 16] = {0}; 33 34int 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} 114