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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_extendhftf2
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113 && defined(COMPILER_RT_HAS_FLOAT16)
#include "fp_test.h"
COMPILER_RT_ABI long double __extendhftf2(TYPE_FP16 a);
int test__extendhftf2(TYPE_FP16 a, uint64_t expectedHi, uint64_t expectedLo) {
long double x = __extendhftf2(a);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret) {
printf("error in test__extendhftf2(%#.4x) = %.20Lf, "
"expected %.20Lf\n",
toRep16(a), x,
fromRep128(expectedHi, expectedLo));
}
return ret;
}
char assumption_1[sizeof(TYPE_FP16) * CHAR_BIT == 16] = {0};
#endif
int main() {
#if __LDBL_MANT_DIG__ == 113 && defined(COMPILER_RT_HAS_FLOAT16)
// qNaN
if (test__extendhftf2(makeQNaN16(),
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN
if (test__extendhftf2(makeNaN16(UINT16_C(0x0100)),
UINT64_C(0x7fff400000000000),
UINT64_C(0x0)))
return 1;
// inf
if (test__extendhftf2(makeInf16(),
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
if (test__extendhftf2(-makeInf16(),
UINT64_C(0xffff000000000000),
UINT64_C(0x0)))
return 1;
// zero
if (test__extendhftf2(fromRep16(0x0U),
UINT64_C(0x0), UINT64_C(0x0)))
return 1;
if (test__extendhftf2(fromRep16(0x8000U),
UINT64_C(0x8000000000000000),
UINT64_C(0x0)))
return 1;
// denormal
if (test__extendhftf2(fromRep16(0x0010U),
UINT64_C(0x3feb000000000000),
UINT64_C(0x0000000000000000)))
return 1;
if (test__extendhftf2(fromRep16(0x0001U),
UINT64_C(0x3fe7000000000000),
UINT64_C(0x0000000000000000)))
return 1;
if (test__extendhftf2(fromRep16(0x8001U),
UINT64_C(0xbfe7000000000000),
UINT64_C(0x0000000000000000)))
return 1;
// pi
if (test__extendhftf2(fromRep16(0x4248U),
UINT64_C(0x4000920000000000),
UINT64_C(0x0000000000000000)))
return 1;
if (test__extendhftf2(fromRep16(0xc248U),
UINT64_C(0xc000920000000000),
UINT64_C(0x0000000000000000)))
return 1;
if (test__extendhftf2(fromRep16(0x508cU),
UINT64_C(0x4004230000000000),
UINT64_C(0x0)))
return 1;
if (test__extendhftf2(fromRep16(0x1bb7U),
UINT64_C(0x3ff6edc000000000),
UINT64_C(0x0)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
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