forked from OSchip/llvm-project
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
//===--------------- extenddftf2_test.c - Test __extenddftf2 --------------===//
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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 __extenddftf2 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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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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long double __extenddftf2(double a);
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int test__extenddftf2(double a, uint64_t expectedHi, uint64_t expectedLo)
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{
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long double x = __extenddftf2(a);
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int ret = compareResultLD(x, expectedHi, expectedLo);
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if (ret){
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printf("error in test__extenddftf2(%f) = %.20Lf, "
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"expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
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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__extenddftf2(makeQNaN64(),
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UINT64_C(0x7fff800000000000),
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UINT64_C(0x0)))
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return 1;
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// NaN
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if (test__extenddftf2(makeNaN64(UINT64_C(0x7100000000000)),
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UINT64_C(0x7fff710000000000),
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UINT64_C(0x0)))
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return 1;
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// inf
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if (test__extenddftf2(makeInf64(),
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UINT64_C(0x7fff000000000000),
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UINT64_C(0x0)))
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return 1;
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// zero
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if (test__extenddftf2(0.0, UINT64_C(0x0), UINT64_C(0x0)))
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return 1;
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if (test__extenddftf2(0x1.23456789abcdefp+5,
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UINT64_C(0x400423456789abcd),
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UINT64_C(0xf000000000000000)))
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return 1;
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if (test__extenddftf2(0x1.edcba987654321fp-9,
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UINT64_C(0x3ff6edcba9876543),
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UINT64_C(0x2000000000000000)))
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return 1;
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if (test__extenddftf2(0x1.23456789abcdefp+45,
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UINT64_C(0x402c23456789abcd),
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UINT64_C(0xf000000000000000)))
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return 1;
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if (test__extenddftf2(0x1.edcba987654321fp-45,
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UINT64_C(0x3fd2edcba9876543),
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UINT64_C(0x2000000000000000)))
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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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