public static FPLong Abs(FPLong v)
{
if (v._raw < 0) {
return v.Inverse;
}
else {
return v;
}
}
public static FPLong Sqrt(FPLong f, int numberOfIterations)
{
if (f._raw < 0) //NaN in Math.Sqrt
throw new ArithmeticException("Input Error");
if (f._raw == 0)
return 0;
FPLong k = f + FPLong.OneFP >> 1;
for (int i = 0; i < numberOfIterations; i++)
k = (k + (f / k)) >> 1;
if (k._raw < 0)
throw new ArithmeticException("Overflow");
else
return k;
}
public static FPLong Min(FPLong v1, FPLong v2)
{
return (v1._raw < v2._raw) ? v1 : v2;
}
public static FPLong Max(FPLong v1, FPLong v2)
{
return (v1._raw > v2._raw) ? v1 : v2;
}
public static FPLong Clamp(FPLong value, FPLong min, FPLong max)
{
return (value > min) ? ((value < max) ? value : max) : min;
}
public static FPLong Sqrt(FPLong f)
{
byte numberOfIterations = 8;
if (f._raw > 100 * FPLong.OneL)
numberOfIterations = 12;
if (f._raw > 1000 * FPLong.OneL)
numberOfIterations = 16;
return Sqrt(f, numberOfIterations);
}
