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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_extendhfsf2
#include <stdio.h>
#include "fp_test.h"
float __extendhfsf2(TYPE_FP16 a);
int test__extendhfsf2(TYPE_FP16 a, uint32_t expected)
{
float x = __extendhfsf2(a);
int ret = compareResultF(x, expected);
if (ret){
printf("error in test__extendhfsf2(%#.4x) = %f, "
"expected %f\n", toRep16(a), x, fromRep32(expected));
}
return ret;
}
char assumption_1[sizeof(TYPE_FP16) * CHAR_BIT == 16] = {0};
int main()
{
// qNaN
if (test__extendhfsf2(fromRep16(0x7e00),
UINT32_C(0x7fc00000)))
return 1;
// NaN
if (test__extendhfsf2(fromRep16(0x7f80),
UINT32_C(0x7ff00000)))
return 1;
// inf
if (test__extendhfsf2(fromRep16(0x7c00),
UINT32_C(0x7f800000)))
return 1;
// -inf
if (test__extendhfsf2(fromRep16(0xfc00),
UINT32_C(0xff800000)))
return 1;
// zero
if (test__extendhfsf2(fromRep16(0x0),
UINT32_C(0x00000000)))
return 1;
// -zero
if (test__extendhfsf2(fromRep16(0x8000),
UINT32_C(0x80000000)))
return 1;
if (test__extendhfsf2(fromRep16(0x4248),
UINT32_C(0x40490000)))
return 1;
if (test__extendhfsf2(fromRep16(0xc248),
UINT32_C(0xc0490000)))
return 1;
if (test__extendhfsf2(fromRep16(0x6e62),
UINT32_C(0x45cc4000)))
return 1;
if (test__extendhfsf2(fromRep16(0x3c00),
UINT32_C(0x3f800000)))
return 1;
if (test__extendhfsf2(fromRep16(0x0400),
UINT32_C(0x38800000)))
return 1;
// denormal
if (test__extendhfsf2(fromRep16(0x0010),
UINT32_C(0x35800000)))
return 1;
if (test__extendhfsf2(fromRep16(0x0001),
UINT32_C(0x33800000)))
return 1;
if (test__extendhfsf2(fromRep16(0x8001),
UINT32_C(0xb3800000)))
return 1;
if (test__extendhfsf2(fromRep16(0x0001),
UINT32_C(0x33800000)))
return 1;
// max (precise)
if (test__extendhfsf2(fromRep16(0x7bff),
UINT32_C(0x477fe000)))
return 1;
// max (rounded)
if (test__extendhfsf2(fromRep16(0x7bff),
UINT32_C(0x477fe000)))
return 1;
return 0;
}
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