#include "DD.h"
uint64_t __fixunstfdi(long double input)
{
const DD x = { .ld = input };
const doublebits hibits = { .d = x.s.hi };
const uint32_t highWordMinusOne = (uint32_t)(hibits.x >> 32) - UINT32_C(0x3ff00000);
if (UINT32_C(0x04000000) > highWordMinusOne)
{
const int unbiasedHeadExponent = highWordMinusOne >> 20;
uint64_t result = hibits.x & UINT64_C(0x000fffffffffffff);
result |= UINT64_C(0x0010000000000000);
result <<= 11;
if (0.0 != x.s.lo)
{
const doublebits lobits = { .d = x.s.lo };
int64_t tailMantissa = lobits.x & INT64_C(0x000fffffffffffff);
tailMantissa |= INT64_C(0x0010000000000000);
const int64_t negationMask = ((int64_t)(lobits.x)) >> 63;
tailMantissa = (tailMantissa ^ negationMask) - negationMask;
const int biasedTailExponent = (int)(lobits.x >> 52) & 0x7ff;
tailMantissa >>= (unbiasedHeadExponent - (biasedTailExponent - (1023 - 11)));
result += tailMantissa;
}
result >>= (63 - unbiasedHeadExponent);
return result;
}
if (1.0 > x.s.hi)
return UINT64_C(0);
else
return UINT64_MAX;
}