public static double RoundWithPrecision(this double value, double precision)
{
if (precision == 0.0 || value == 0.0)
{
return(value);
}
int num1 = DoubleHelper.Log10(Math.Abs(value));
int exp = DoubleHelper.Log10(Math.Abs(precision));
int num2 = num1 - exp;
if (num2 > 16)
{
return(value);
}
if (num2 < 0)
{
return(0.0);
}
double num3 = DoubleHelper.Pow10(exp);
if (num3 == 0.0)
{
return(value);
}
double num4 = (double)(long)Math.Round(value / num3) * num3;
if (0 > exp && exp > -16)
{
return(Math.Round(num4, -exp));
}
return(num4);
}
public static double GetPrecision(int digits, params double[] values)
{
int num1 = int.MinValue;
for (int index = 0; index < values.Length; ++index)
{
double val = Math.Abs(values[index]);
if (val != 0.0)
{
int num2 = DoubleHelper.Log10(val);
if (num2 > num1)
{
num1 = num2;
}
}
}
if (num1 > int.MinValue)
{
return(DoubleHelper.Pow10(Math.Max(num1 - digits, -DoubleHelper.DoubleNegativePowers.Length + 1)));
}
return(0.0);
}
public DoubleR10(double value)
{
if (value > 0.0)
{
long num1 = (long)value;
if (value < 1E+18 && (double)num1 == value)
{
this.M = num1;
this.E = 0;
}
else
{
if (value < 100000000000000.0)
{
double num2 = value * 10000.0;
long num3 = (long)num2;
if ((double)num3 == num2)
{
this.M = num3;
this.E = -4;
return;
}
}
if (value <= double.MaxValue)
{
int exp = DoubleHelper.Log10(value) - 14;
double num2 = DoubleHelper.Pow10(exp);
this.M = (long)Math.Round(value / num2);
this.E = exp;
}
else
{
this = DoubleR10.PositiveInfinity;
}
}
}
else if (value < 0.0)
{
long num1 = (long)value;
if (value > -1E+18 && (double)num1 == value)
{
this.M = num1;
this.E = 0;
}
else
{
if (value > -100000000000000.0)
{
double num2 = value * 10000.0;
long num3 = (long)num2;
if ((double)num3 == num2)
{
this.M = num3;
this.E = -4;
return;
}
}
if (value >= double.MinValue)
{
int exp = DoubleHelper.Log10(-value) - 14;
double num2 = DoubleHelper.Pow10(exp);
this.M = (long)Math.Round(value / num2);
this.E = exp;
}
else
{
this = DoubleR10.NegativeInfinity;
}
}
}
else if (value == 0.0)
{
this = DoubleR10.Zero;
}
else
{
this = DoubleR10.NaN;
}
}