derek.holloway
7502bf64a4
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88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_extendhfdf2
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#include <stdio.h>
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#include "fp_test.h"
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double __extendhfdf2(TYPE_FP16 a);
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int test__extendhfdf2(TYPE_FP16 a, uint64_t expected)
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{
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double x = __extendhfdf2(a);
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int ret = compareResultD(x, expected);
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if (ret){
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printf("error in test__extendhfdf2(%#.4x) = %f, "
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"expected %f\n", toRep16(a), x, fromRep64(expected));
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}
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return ret;
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}
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char assumption_1[sizeof(TYPE_FP16) * CHAR_BIT == 16] = {0};
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int main()
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{
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// qNaN
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if (test__extendhfdf2(makeQNaN16(),
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UINT64_C(0x7ff8000000000000)))
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return 1;
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// NaN
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if (test__extendhfdf2(fromRep16(0x7f80),
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UINT64_C(0x7ffe000000000000)))
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return 1;
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// inf
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if (test__extendhfdf2(makeInf16(),
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UINT64_C(0x7ff0000000000000)))
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return 1;
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// -inf
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if (test__extendhfdf2(makeNegativeInf16(),
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UINT64_C(0xfff0000000000000)))
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return 1;
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// zero
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if (test__extendhfdf2(fromRep16(0x0),
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UINT64_C(0x0)))
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return 1;
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// -zero
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if (test__extendhfdf2(fromRep16(0x8000),
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UINT64_C(0x8000000000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x4248),
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UINT64_C(0x4009200000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0xc248),
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UINT64_C(0xc009200000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x6e62),
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UINT64_C(0x40b9880000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x3c00),
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UINT64_C(0x3ff0000000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x0400),
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UINT64_C(0x3f10000000000000)))
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return 1;
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// denormal
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if (test__extendhfdf2(fromRep16(0x0010),
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UINT64_C(0x3eb0000000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x0001),
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UINT64_C(0x3e70000000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x8001),
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UINT64_C(0xbe70000000000000)))
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return 1;
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if (test__extendhfdf2(fromRep16(0x0001),
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UINT64_C(0x3e70000000000000)))
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return 1;
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// max (precise)
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if (test__extendhfdf2(fromRep16(0x7bff),
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UINT64_C(0x40effc0000000000)))
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return 1;
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// max (rounded)
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if (test__extendhfdf2(fromRep16(0x7bff),
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UINT64_C(0x40effc0000000000)))
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return 1;
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return 0;
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}
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