internal static double Round(double number, int rem, RoudingMode roundMode)
{
var unit = 1d;
if (rem <= 0)
{
rem = MathHelper.Clamp(-rem, 0, 15);
unit = Math.Pow(10, -rem - 1);
}
else
{
unit = Math.Pow(10, rem - 1);
}
if (roundMode == RoudingMode.Celling)
{
number = Math.Round((number + unit / 2) / unit, 0) * unit;
}
else
{
number = Math.Round((number - unit / 2) / unit, 0) * unit;
}
return(number);
// if (roundMode == RoudingMode.Floor)
// {
// return Math.Round(number - unit / 2, rem + 1);
// }
// else
// {
// return Math.Round(number + unit / 2, rem + 1);
// }
//}
//else
//{
// if (roundMode == RoudingMode.Celling)
// {
// var unit = Math.Pow(10, rem - 1);
// number = Math.Round((number + unit / 2) / unit, rem - 1) * unit;
// //upperBound = Math.Ceiling(number);
// //upperBound = upperBound + 5 - upperBound % 5;
// }
// else
// {
// var unit = Math.Pow(10, rem - 1);
// number = Math.Round((number - unit / 2) / unit, rem - 1) * unit;
// //upperBound = Math.Floor(number);
// //upperBound = upperBound - upperBound % 5;
// }
// return number;
//}
}
internal static double Round(double number, int rem, RoudingMode roundMode)
{
var unit = 1d;
if (rem <= 0)
{
rem = MathHelper.Clamp(-rem, 0, 15);
unit = Math.Pow(10, -rem - 1);
}
else
{
unit = Math.Pow(10, rem - 1);
}
if (roundMode == RoudingMode.Celling)
{
number = Math.Round((number + unit / 2) / unit, 0) * unit;
}
else
{
number = Math.Round((number - unit / 2) / unit, 0) * unit;
}
return(number);
}
