| Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | //===-- floatditf_test.c - Test __floatditf -------------------------------===// |
| 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 __floatditf 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 | |
| 25 | COMPILER_RT_ABI long double __floatditf(long long a); |
| 26 | |
| 27 | int test__floatditf(long long a, uint64_t expectedHi, uint64_t expectedLo) |
| 28 | { |
| 29 | long double x = __floatditf(a); |
| 30 | int ret = compareResultLD(x, expectedHi, expectedLo); |
| 31 | |
| 32 | if (ret) |
| 33 | printf("error in __floatditf(%Ld) = %.20Lf, " |
| 34 | "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo)); |
| 35 | return ret; |
| 36 | } |
| 37 | |
| 38 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
| 39 | |
| 40 | #endif |
| 41 | |
| 42 | int main() |
| 43 | { |
| 44 | #if __LDBL_MANT_DIG__ == 113 |
| 45 | if (test__floatditf(0x7fffffffffffffff, UINT64_C(0x403dffffffffffff), UINT64_C(0xfffc000000000000))) |
| 46 | return 1; |
| 47 | if (test__floatditf(0x123456789abcdef1, UINT64_C(0x403b23456789abcd), UINT64_C(0xef10000000000000))) |
| 48 | return 1; |
| 49 | if (test__floatditf(0x2, UINT64_C(0x4000000000000000), UINT64_C(0x0))) |
| 50 | return 1; |
| 51 | if (test__floatditf(0x1, UINT64_C(0x3fff000000000000), UINT64_C(0x0))) |
| 52 | return 1; |
| 53 | if (test__floatditf(0x0, UINT64_C(0x0), UINT64_C(0x0))) |
| 54 | return 1; |
| 55 | if (test__floatditf(0xffffffffffffffff, UINT64_C(0xbfff000000000000), UINT64_C(0x0))) |
| 56 | return 1; |
| 57 | if (test__floatditf(0xfffffffffffffffe, UINT64_C(0xc000000000000000), UINT64_C(0x0))) |
| 58 | return 1; |
| 59 | if (test__floatditf(-0x123456789abcdef1, UINT64_C(0xc03b23456789abcd), UINT64_C(0xef10000000000000))) |
| 60 | return 1; |
| 61 | if (test__floatditf(0x8000000000000000, UINT64_C(0xc03e000000000000), UINT64_C(0x0))) |
| 62 | return 1; |
| 63 | |
| 64 | #else |
| 65 | printf("skipped\n"); |
| 66 | |
| 67 | #endif |
| 68 | return 0; |
| 69 | } |