1//===-- floatunditf_test.c - Test __floatunditf ---------------------------===// 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 __floatunditf for the compiler_rt library. 11// 12//===----------------------------------------------------------------------===// 13 14#include "int_lib.h" 15#include <math.h> 16#include <complex.h> 17#include <stdio.h> 18 19#if __LDBL_MANT_DIG__ == 113 20 21#include "fp_test.h" 22 23// Returns: long integer converted to long double 24 25COMPILER_RT_ABI long double __floatunditf(unsigned long long a); 26 27int test__floatunditf(unsigned long long a, uint64_t expectedHi, uint64_t expectedLo) 28{ 29 long double x = __floatunditf(a); 30 int ret = compareResultLD(x, expectedHi, expectedLo); 31 32 if (ret) 33 printf("error in __floatunditf(%Lu) = %.20Lf, " 34 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo)); 35 return ret; 36} 37 38char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; 39 40#endif 41 42int main() 43{ 44#if __LDBL_MANT_DIG__ == 113 45 if (test__floatunditf(0xffffffffffffffffULL, UINT64_C(0x403effffffffffff), UINT64_C(0xfffe000000000000))) 46 return 1; 47 if (test__floatunditf(0xfffffffffffffffeULL, UINT64_C(0x403effffffffffff), UINT64_C(0xfffc000000000000))) 48 return 1; 49 if (test__floatunditf(0x8000000000000000ULL, UINT64_C(0x403e000000000000), UINT64_C(0x0))) 50 return 1; 51 if (test__floatunditf(0x7fffffffffffffffULL, UINT64_C(0x403dffffffffffff), UINT64_C(0xfffc000000000000))) 52 return 1; 53 if (test__floatunditf(0x123456789abcdef1ULL, UINT64_C(0x403b23456789abcd), UINT64_C(0xef10000000000000))) 54 return 1; 55 if (test__floatunditf(0x2ULL, UINT64_C(0x4000000000000000), UINT64_C(0x0))) 56 return 1; 57 if (test__floatunditf(0x1ULL, UINT64_C(0x3fff000000000000), UINT64_C(0x0))) 58 return 1; 59 if (test__floatunditf(0x0ULL, UINT64_C(0x0), UINT64_C(0x0))) 60 return 1; 61 62#else 63 printf("skipped\n"); 64 65#endif 66 return 0; 67} 68