derek.holloway
7502bf64a4
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88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_extendhfsf2
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#include <stdio.h>
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#include "fp_test.h"
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float __extendhfsf2(TYPE_FP16 a);
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int test__extendhfsf2(TYPE_FP16 a, uint32_t expected)
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{
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float x = __extendhfsf2(a);
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int ret = compareResultF(x, expected);
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if (ret){
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printf("error in test__extendhfsf2(%#.4x) = %f, "
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"expected %f\n", toRep16(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(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__extendhfsf2(fromRep16(0x7e00),
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UINT32_C(0x7fc00000)))
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return 1;
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// NaN
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if (test__extendhfsf2(fromRep16(0x7f80),
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UINT32_C(0x7ff00000)))
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return 1;
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// inf
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if (test__extendhfsf2(fromRep16(0x7c00),
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UINT32_C(0x7f800000)))
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return 1;
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// -inf
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if (test__extendhfsf2(fromRep16(0xfc00),
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UINT32_C(0xff800000)))
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return 1;
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// zero
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if (test__extendhfsf2(fromRep16(0x0),
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UINT32_C(0x00000000)))
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return 1;
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// -zero
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if (test__extendhfsf2(fromRep16(0x8000),
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UINT32_C(0x80000000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x4248),
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UINT32_C(0x40490000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0xc248),
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UINT32_C(0xc0490000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x6e62),
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UINT32_C(0x45cc4000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x3c00),
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UINT32_C(0x3f800000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x0400),
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UINT32_C(0x38800000)))
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return 1;
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// denormal
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if (test__extendhfsf2(fromRep16(0x0010),
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UINT32_C(0x35800000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x0001),
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UINT32_C(0x33800000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x8001),
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UINT32_C(0xb3800000)))
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return 1;
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if (test__extendhfsf2(fromRep16(0x0001),
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UINT32_C(0x33800000)))
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return 1;
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// max (precise)
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if (test__extendhfsf2(fromRep16(0x7bff),
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UINT32_C(0x477fe000)))
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return 1;
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// max (rounded)
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if (test__extendhfsf2(fromRep16(0x7bff),
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UINT32_C(0x477fe000)))
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return 1;
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return 0;
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}
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