public static FloatL Acos(FloatL f)
{
//return Math.Acos(f.ToDouble());
int num = (int)FixPointMath.Divide(f.m_numerator * (long)AcosLookupTable.HALF_COUNT, FloatL.m_denominator) + AcosLookupTable.HALF_COUNT;
num = FixPointMath.Clamp(num, 0, AcosLookupTable.COUNT);
return(new FloatL((long)AcosLookupTable.table[num]) / new FloatL(10000));
}
public static FloatL Atan2(FloatL yL, FloatL xL)
{
//return Math.Atan2(y.ToDouble(), x.ToDouble());
long y = yL.m_numerator;
long x = xL.m_numerator;
int num;
int num2;
if (x < 0)
{
if (y < 0)
{
x = -x;
y = -y;
num = 1;
}
else
{
x = -x;
num = -1;
}
num2 = -31416;
}
else
{
if (y < 0)
{
y = -y;
num = -1;
}
else
{
num = 1;
}
num2 = 0;
}
int dIM = Atan2LookupTable.DIM;
long num3 = (long)(dIM - 1);
long b = (long)((x >= y) ? x : y);
int num4 = (int)FixPointMath.Divide((long)x * num3, b);
int num5 = (int)FixPointMath.Divide((long)y * num3, b);
int num6 = Atan2LookupTable.table[num5 * dIM + num4];
return(new FloatL((num6 + num2) * num) / new FloatL(10000));
}
