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