public static LIntT ShiftLeft(LIntT low, HIntT high, out HIntT highResult)
{
unchecked {
const int count = 1;
if (count < 64)
{
if (count == 0)
{
highResult = high;
return(low);
}
highResult = (HIntT)(((UIntT)high << count) | ((UIntT)low >> (64 - count)));
return((LIntT)(low << count));
}
else if (count > 64)
{
highResult = (HIntT)(low << (count - 64));
}
else
{
highResult = (HIntT)low;
}
return((LIntT)0);
}
}
public static LIntT ShiftRightSigned(LIntT low, HIntT high, out HIntT highResult)
{
unchecked {
const int count = 1;
if (count < 64)
{
if (count == 0)
{
highResult = high;
return(low);
}
highResult = (HIntT)((IntT)high >> count);
return((LIntT)(((UIntT)low >> count) | ((UIntT)high << (64 - count))));
}
else if (count > 64)
{
if (0 > (IntT)high)
{
highResult = (HIntT)(IntT)(-1);
return((LIntT)(((UIntT)high >> (count - 64)) | (UIntT.MaxValue << (64 + 64 - count))));
}
else
{
highResult = (HIntT)0;
return((LIntT)((UIntT)high >> (count - 64)));
}
}
else
{
highResult = (0 > (IntT)high) ? (HIntT)(IntT)(-1) : (HIntT)0;
return((LIntT)high);
}
}
}
public static LIntT ShiftRightUnsigned(LIntT low, HIntT high, out HIntT highResult)
{
unchecked {
const int count = 1;
if (count < sizeof(IntT))
{
/*
* if (count == 0) {
* highResult = high;
* return low;
* }
*/
highResult = (HIntT)((UIntT)high >> count);
return((LIntT)(((UIntT)low >> count) | ((UIntT)high << (-count /* sizeof(IntT) - count */))));
}
else
{
highResult = (HIntT)0;
if (count > sizeof(IntT))
{
return((LIntT)((UIntT)high >> (count /* - sizeof(IntT)*/)));
}
else
{
return((LIntT)high);
}
}
}
}
public static LIntT ShiftRightUnsigned(LIntT low, HIntT high, out HIntT highResult)
{
unchecked {
const int count = 1;
if (count < 64)
{
if (count == 0)
{
highResult = high;
return(low);
}
highResult = (HIntT)((UIntT)high >> count);
return((LIntT)(((UIntT)low >> count) | ((UIntT)high << (64 - count))));
}
else
{
highResult = (HIntT)0;
if (count > 64)
{
return((LIntT)((UIntT)high >> (count - 64)));
}
else
{
return((LIntT)high);
}
}
}
}
public static LIntT ShiftLeft(LIntT low, HIntT high, out HIntT highResult)
{
unchecked {
const int count = 1;
if (count < sizeof(IntT))
{
/*
* if (count == 0) {
* highResult = high;
* return low;
* }
*/
highResult = (HIntT)(((UIntT)high << count) | ((UIntT)low >> (-count /* sizeof(IntT) - count */)));
return((LIntT)(low << count));
}
else if (count > sizeof(IntT))
{
highResult = (HIntT)(low << (count /* - sizeof(IntT)*/));
}
else
{
highResult = (HIntT)low;
}
return((LIntT)0);
}
}
public static LIntT DecreaseUnsigned(LIntT value_lo, HIntT value_hi, out HIntT result_hi)
{
var result_lo_ = value_lo;
unchecked {
--result_lo_;
}
var result_hi_ = unchecked ((UIntT)value_hi);
result_hi_ = ((LIntT)0 == value_lo ? checked (--result_hi_) : result_hi_);
result_hi = unchecked ((HIntT)result_hi_);
return(result_lo_);
}
public static LIntT IncreaseSigned(LIntT value_lo, HIntT value_hi, out HIntT result_hi)
{
var result_lo_ = value_lo;
unchecked {
++result_lo_;
}
var result_hi_ = unchecked ((IntT)value_hi);
result_hi_ = (~(LIntT)0 == value_lo ? checked (++result_hi_) : result_hi_);
result_hi = unchecked ((HIntT)result_hi_);
return(result_lo_);
}
public static LIntT IncreaseUnchecked(LIntT value_lo, HIntT value_hi, out HIntT result_hi)
{
var result_lo_ = value_lo;
unchecked {
++result_lo_;
}
var result_hi_ = unchecked ((HIntT)value_hi);
unchecked {
result_hi_ += unchecked ((HIntT)(~(LIntT)0 == value_lo).AsIntegerUnsafe());
}
result_hi = unchecked ((HIntT)result_hi_);
return(result_lo_);
}
public static LIntT DecreaseSigned(LIntT value_lo, HIntT value_hi, out HIntT result_hi)
{
var result_lo_ = value_lo;
unchecked {
--result_lo_;
}
var result_hi_ = unchecked ((IntT)value_hi);
checked {
result_hi_ -= unchecked ((IntT)(~(LIntT)0 == value_lo).AsIntegerUnsafe());
}
result_hi = unchecked ((HIntT)result_hi_);
return(result_lo_);
}
public static int Compare(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
if (first_hi < second_hi)
{
return(-1);
}
if (first_hi > second_hi)
{
return(1);
}
if (first_lo < second_lo)
{
return(-1);
}
if (first_lo > second_lo)
{
return(1);
}
return(0);
}
public static LIntT ShiftRightSigned(LIntT low, HIntT high, out HIntT highResult)
{
unchecked {
const int count = 1;
if (count < sizeof(IntT))
{
/*
* if (count == 0) {
* highResult = high;
* return low;
* }
*/
highResult = (HIntT)((IntT)high >> count);
return((LIntT)(((UIntT)low >> count) | ((UIntT)high << (-count /* sizeof(IntT) - count */))));
}
else
{
var mask = (UIntT)(-((IntT)high >> (sizeof(IntT) - 1)));
highResult = (HIntT)mask;
if (count > sizeof(IntT))
{
// if (0 > (IntT)high) {
// highResult = (HIntT)(IntT)(-1);
// return (LIntT)(((UIntT)high >> (count/* - sizeof(IntT)*/)) | (UIntT.MaxValue << (-count/* sizeof(IntT) + sizeof(IntT) - count */)));
// } else {
// highResult = (HIntT)0;
// return (LIntT)((UIntT)high >> (count/* - sizeof(IntT)*/));
// }
return((LIntT)(((UIntT)high >> (count /* - sizeof(IntT)*/)) | (mask << (-count /* sizeof(IntT) + sizeof(IntT) - count */))));
}
else
{
// highResult = (0 > (IntT)high) ? (HIntT)(IntT)(-1) : (HIntT)0;
return((LIntT)high);
}
}
}
}
public static bool Equals(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
return(first_lo == second_lo && first_hi == second_hi);
}
public static bool NotEqual(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
return(first_lo != second_lo || first_hi != second_hi);
}
public static bool LessThan(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
return(first_hi < second_hi || (first_hi == second_hi && first_lo < second_lo));
}
public static LIntT ShiftRight(LIntT low, HIntT high, int count)
{
return(unchecked ((LIntT)(((UIntT)low >> count) | ((UIntT)high << (64 - count)))));
}
public static HIntT ShiftLeft(LIntT low, HIntT high, int count)
{
return(unchecked ((HIntT)(((UIntT)high << count) | ((UIntT)low >> (64 - count)))));
}
public static bool LessThanOrEqual(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
return(first_hi <= second_hi && (first_hi != second_hi || first_lo <= second_lo));
}
public static LIntT ShiftRight(LIntT low, HIntT high, int count)
{
return(unchecked ((LIntT)(((UIntT)low >> count) | ((UIntT)high << (-count /* sizeof(IntT) - count */)))));
}
public static bool GreaterThanOrEqual(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
return(first_hi >= second_hi && (first_hi != second_hi || first_lo >= second_lo));
}
public static bool GreaterThan(LIntT first_lo, HIntT first_hi, LIntT second_lo, HIntT second_hi)
{
return(first_hi > second_hi || (first_hi == second_hi && first_lo > second_lo));
}
