public static mtx2x2 IntPower(mtx2x2 matrix, short power)
{
if (power == 0)
{
return(identity);
}
if (power == 1)
{
return(matrix);
}
int n = 15;
while ((power <<= 1) >= 0)
{
n--;
}
mtx2x2 temp = matrix;
while (--n > 0)
{
temp = (temp * temp) * (((power <<= 1) < 0) ? matrix : identity);
}
return(temp);
}
public static mtx2x2 IntPower(mtx2x2 x, short power)
{
if (power == 0)
{
return(identity);
}
if (power == 1)
{
return(x);
}
int n = 15;
while ((power <<= 1) >= 0)
{
n--;
}
mtx2x2 tmp = x;
while (--n > 0)
{
tmp = (tmp * tmp) * (((power <<= 1) < 0) ? x : identity);
}
return(tmp);
}
