forked from OSchip/llvm-project
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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//===--------------- trunctfsf2_test.c - Test __trunctfsf2 ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __trunctfsf2 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include "int_lib.h"
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#include <stdio.h>
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#if __LDBL_MANT_DIG__ == 113
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#include "fp_test.h"
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COMPILER_RT_ABI float __trunctfsf2(long double a);
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int test__trunctfsf2(long double a, uint32_t expected)
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{
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float x = __trunctfsf2(a);
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int ret = compareResultF(x, expected);
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if (ret){
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printf("error in test__trunctfsf2(%.20Lf) = %f, "
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"expected %f\n", a, x, fromRep32(expected));
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}
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return ret;
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}
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char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
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#endif
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int main()
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{
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#if __LDBL_MANT_DIG__ == 113
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// qNaN
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if (test__trunctfsf2(makeQNaN128(),
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UINT32_C(0x7fc00000)))
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return 1;
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// NaN
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if (test__trunctfsf2(makeNaN128(UINT64_C(0x810000000000)),
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UINT32_C(0x7fc08000)))
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return 1;
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// inf
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if (test__trunctfsf2(makeInf128(),
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UINT32_C(0x7f800000)))
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return 1;
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// zero
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if (test__trunctfsf2(0.0L, UINT32_C(0x0)))
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return 1;
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if (test__trunctfsf2(0x1.23a2abb4a2ddee355f36789abcdep+5L,
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UINT32_C(0x4211d156)))
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return 1;
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if (test__trunctfsf2(0x1.e3d3c45bd3abfd98b76a54cc321fp-9L,
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UINT32_C(0x3b71e9e2)))
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return 1;
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if (test__trunctfsf2(0x1.234eebb5faa678f4488693abcdefp+4534L,
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UINT32_C(0x7f800000)))
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return 1;
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if (test__trunctfsf2(0x1.edcba9bb8c76a5a43dd21f334634p-435L,
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UINT32_C(0x0)))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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