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author | Joerg Sonnenberger <joerg@bec.de> | 2014-06-19 20:24:49 +0000 |
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committer | Joerg Sonnenberger <joerg@bec.de> | 2014-06-19 20:24:49 +0000 |
commit | c1719440ba85503125d4eb53b07552e30000189f (patch) | |
tree | 98e87f442a0a694f6c36d46f38db56050f0a84bd /test/builtins/Unit/subtf3_test.c | |
parent | c0e7b98df1c982efd4f21af4c12f3eaee739fea8 (diff) | |
download | compiler-rt-c1719440ba85503125d4eb53b07552e30000189f.tar.gz |
Provide add and sub for IEEE quad. From GuanHong Liu.
Differential Revision: http://reviews.llvm.org/D2798
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@211312 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/builtins/Unit/subtf3_test.c')
-rw-r--r-- | test/builtins/Unit/subtf3_test.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/test/builtins/Unit/subtf3_test.c b/test/builtins/Unit/subtf3_test.c new file mode 100644 index 000000000..2ab249a99 --- /dev/null +++ b/test/builtins/Unit/subtf3_test.c @@ -0,0 +1,74 @@ +//===--------------- subtf3_test.c - Test __subtf3 ------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tests __subtf3 for the compiler_rt library. +// +//===----------------------------------------------------------------------===// + +#include <stdio.h> + +#if __LDBL_MANT_DIG__ == 113 + +#include "fp_test.h" + +// Returns: a - b +long double __subtf3(long double a, long double b); + +int test__subtf3(long double a, long double b, + uint64_t expectedHi, uint64_t expectedLo) +{ + long double x = __subtf3(a, b); + int ret = compareResultLD(x, expectedHi, expectedLo); + + if (ret){ + printf("error in test__subtf3(%.20Lf, %.20Lf) = %.20Lf, " + "expected %.20Lf\n", a, b, x, + fromRep128(expectedHi, expectedLo)); + } + return ret; +} + +char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; + +#endif + +int main() +{ +#if __LDBL_MANT_DIG__ == 113 + // qNaN - any = qNaN + if (test__subtf3(makeQNaN128(), + 0x1.23456789abcdefp+5L, + UINT64_C(0x7fff800000000000), + UINT64_C(0x0))) + return 1; + // NaN - any = NaN + if (test__subtf3(makeNaN128(UINT64_C(0x800030000000)), + 0x1.23456789abcdefp+5L, + UINT64_C(0x7fff800000000000), + UINT64_C(0x0))) + return 1; + // inf - any = inf + if (test__subtf3(makeInf128(), + 0x1.23456789abcdefp+5L, + UINT64_C(0x7fff000000000000), + UINT64_C(0x0))) + return 1; + // any - any + if (test__subtf3(0x1.234567829a3bcdef5678ade36734p+5L, + 0x1.ee9d7c52354a6936ab8d7654321fp-1L, + UINT64_C(0x40041b8af1915166), + UINT64_C(0xa44a7bca780a166c))) + return 1; + +#else + printf("skipped\n"); + +#endif + return 0; +} |