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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_extendhfxf2
#include <limits.h>
#include <math.h> // for isnan, isinf
#include <stdio.h>
#include "fp_test.h"
#if HAS_80_BIT_LONG_DOUBLE
xf_float __extendhfxf2(TYPE_FP16 f);
int test_extendhfxf2(TYPE_FP16 a, uint16_t expectedHi, uint64_t expectedLo) {
xf_float x = __extendhfxf2(a);
int ret = compareResultF80(x, expectedHi, expectedLo);
if (ret) {
printf("error in test__extendhfxf2(%#.4x) = %.20Lf, "
"expected %.20Lf\n",
toRep16(a), x, F80FromRep80(expectedHi, expectedLo));
}
return ret;
}
int main() {
// Small positive value
if (test_extendhfxf2(fromRep16(0x2e66), UINT16_C(0x3ffb),
UINT64_C(0xccc0000000000000)))
return 1;
// Small negative value
if (test_extendhfxf2(fromRep16(0xae66), UINT16_C(0xbffb),
UINT64_C(0xccc0000000000000)))
return 1;
// Zero
if (test_extendhfxf2(fromRep16(0), UINT16_C(0x0), UINT64_C(0x0)))
return 1;
// Smallest positive non-zero value
if (test_extendhfxf2(fromRep16(0x0100), UINT16_C(0x3fef),
UINT64_C(0x8000000000000000)))
return 1;
// Smallest negative non-zero value
if (test_extendhfxf2(fromRep16(0x8100), UINT16_C(0xbfef),
UINT64_C(0x8000000000000000)))
return 1;
// Positive infinity
if (test_extendhfxf2(makeInf16(), UINT16_C(0x7fff),
UINT64_C(0x8000000000000000)))
return 1;
// Negative infinity
if (test_extendhfxf2(makeNegativeInf16(), UINT16_C(0xffff),
UINT64_C(0x8000000000000000)))
return 1;
// NaN
if (test_extendhfxf2(makeQNaN16(), UINT16_C(0x7fff),
UINT64_C(0xc000000000000000)))
return 1;
return 0;
}
#else
int main() {
printf("skipped\n");
return 0;
}
#endif
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