| Joerg Sonnenberger | a473857 | 2014-06-19 20:34:03 +0000 | [diff] [blame] | 1 | //===--------------- multf3_test.c - Test __multf3 ------------------------===// |
| 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 __multf3 for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include <stdio.h> |
| 15 | |
| 16 | #if __LDBL_MANT_DIG__ == 113 |
| 17 | |
| 18 | #include "fp_test.h" |
| 19 | |
| 20 | // Returns: a * b |
| Pirama Arumuga Nainar | cdce50b | 2015-07-01 12:26:56 -0700 | [diff] [blame] | 21 | COMPILER_RT_ABI long double __multf3(long double a, long double b); |
| Joerg Sonnenberger | a473857 | 2014-06-19 20:34:03 +0000 | [diff] [blame] | 22 | |
| 23 | int test__multf3(long double a, long double b, |
| 24 | uint64_t expectedHi, uint64_t expectedLo) |
| 25 | { |
| 26 | long double x = __multf3(a, b); |
| 27 | int ret = compareResultLD(x, expectedHi, expectedLo); |
| 28 | |
| 29 | if (ret){ |
| 30 | printf("error in test__multf3(%.20Lf, %.20Lf) = %.20Lf, " |
| 31 | "expected %.20Lf\n", a, b, x, |
| 32 | fromRep128(expectedHi, expectedLo)); |
| 33 | } |
| 34 | return ret; |
| 35 | } |
| 36 | |
| 37 | char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; |
| 38 | |
| 39 | #endif |
| 40 | |
| 41 | int main() |
| 42 | { |
| 43 | #if __LDBL_MANT_DIG__ == 113 |
| 44 | // qNaN * any = qNaN |
| 45 | if (test__multf3(makeQNaN128(), |
| 46 | 0x1.23456789abcdefp+5L, |
| 47 | UINT64_C(0x7fff800000000000), |
| 48 | UINT64_C(0x0))) |
| 49 | return 1; |
| 50 | // NaN * any = NaN |
| 51 | if (test__multf3(makeNaN128(UINT64_C(0x800030000000)), |
| 52 | 0x1.23456789abcdefp+5L, |
| 53 | UINT64_C(0x7fff800000000000), |
| 54 | UINT64_C(0x0))) |
| 55 | return 1; |
| 56 | // inf * any = inf |
| 57 | if (test__multf3(makeInf128(), |
| 58 | 0x1.23456789abcdefp+5L, |
| 59 | UINT64_C(0x7fff000000000000), |
| 60 | UINT64_C(0x0))) |
| 61 | return 1; |
| 62 | // any * any |
| 63 | if (test__multf3(0x1.2eab345678439abcdefea56782346p+5L, |
| 64 | 0x1.edcb34a235253948765432134674fp-1L, |
| 65 | UINT64_C(0x400423e7f9e3c9fc), |
| 66 | UINT64_C(0xd906c2c2a85777c4))) |
| 67 | return 1; |
| 68 | if (test__multf3(0x1.353e45674d89abacc3a2ebf3ff4ffp-50L, |
| 69 | 0x1.ed8764648369535adf4be3214567fp-9L, |
| 70 | UINT64_C(0x3fc52a163c6223fc), |
| 71 | UINT64_C(0xc94c4bf0430768b4))) |
| 72 | return 1; |
| 73 | if (test__multf3(0x1.234425696abcad34a35eeffefdcbap+456L, |
| 74 | 0x451.ed98d76e5d46e5f24323dff21ffp+600L, |
| 75 | UINT64_C(0x44293a91de5e0e94), |
| 76 | UINT64_C(0xe8ed17cc2cdf64ac))) |
| 77 | return 1; |
| 78 | if (test__multf3(0x1.4356473c82a9fabf2d22ace345defp-234L, |
| 79 | 0x1.eda98765476743ab21da23d45678fp-455L, |
| 80 | UINT64_C(0x3d4f37c1a3137cae), |
| 81 | UINT64_C(0xfc6807048bc2836a))) |
| 82 | return 1; |
| 83 | // underflow |
| 84 | if (test__multf3(0x1.23456734245345p-10000L, |
| 85 | 0x1.edcba524498724p-6383L, |
| 86 | UINT64_C(0x0), |
| 87 | UINT64_C(0x0))) |
| 88 | return 1; |
| 89 | |
| 90 | #else |
| 91 | printf("skipped\n"); |
| 92 | |
| 93 | #endif |
| 94 | return 0; |
| 95 | } |