public static string ToString(double value, string exception, double min, double max, char separator)
{
string output = Doubles.ToString(value, exception, min, max);
if (System.String.IsNullOrEmpty(output))
{
return(output);
}
string correction = string.Empty;
bool IsSeparatorFound = false;
for (int i = 0; i < output.Length; i++)
{
char c = output[i];
if (char.IsDigit(c))
{
correction += c;
}
if (!IsSeparatorFound)
{
correction += separator;
IsSeparatorFound = true;
}
}
return(correction);
}
/// <summary>
/// Colours textbox RGB depending on value
/// </summary>
/// <param name="Tbx"></param>
/// <param name="value"></param>
/// <param name="exception"></param>
/// <param name="decimals"></param>
/// <param name="min"></param>
/// <param name="max"></param>
/// <param name="punctuation"></param>
public static void ColourDouble(ref TextBox Tbx, double value, string exception, int decimals, double min, double max, char punctuation, double precision = 0)
{
Tbx.Text = Doubles.ToString(value, exception, decimals, min, max, punctuation);
if (Tbx.Text == exception)
{
Tbx.ForeColor = Color.Black;
}
else if (AMath.Equ(value, 0, precision))
{
Tbx.ForeColor = Color.DarkBlue;
}
else if (value < 0)
{
Tbx.ForeColor = Color.DarkRed;
}
else if (value > 0)
{
Tbx.ForeColor = Color.DarkGreen;
}
}
/// <summary>
/// This method parses string to double ignoring white spaces and changing first puctuation into specified one
/// </summary>
/// <param name="value"></param>
/// <param name="exception"></param>
/// <param name="decimals"></param>
/// <param name="min"></param>
/// <param name="max"></param>
/// <param name="separator"></param>
/// <returns></returns>
public static string ToString(double value, string exception, int decimals, double min, double max, char punctuation)
{
string output = Doubles.ToString(value, exception, decimals, min, max);
if (System.String.IsNullOrEmpty(output))
{
return(output);
}
string sign = "";
if (output[0] == '-')
{
sign = "-";
output = output.Substring(1, output.Length - 1);
}
string correction = string.Empty;
bool IsSeparatorFound = false;
for (int i = 0; i < output.Length; i++)
{
char c = output[i];
if (char.IsDigit(c))
{
correction += c;
continue;
}
if (!IsSeparatorFound && (c == '.' || c == ','))
{
correction += punctuation;
IsSeparatorFound = true;
}
}
return(sign + correction);
}
/// <summary>
/// Colours texbox RGB depending on values comparison and assigns v1
/// </summary>
/// <param name="Tbx"></param>
/// <param name="v1"></param>
/// <param name="v2"></param>
/// <param name="exception"></param>
/// <param name="decimals"></param>
/// <param name="min"></param>
/// <param name="max"></param>
/// <param name="punctuation"></param>
public static void ColourDouble(ref TextBox Tbx, double v1, double v2, string exception, int decimals, double min, double max, char punctuation, double precision = 0)
{
FormsControls.ColourDouble(ref Tbx, v1, v1, v2, exception, decimals, min, max, punctuation, precision);
Tbx.Text = Doubles.ToString(v1, exception, decimals, min, max, punctuation);
}
/// <summary>
/// Parses duble with check of digit format
/// Fails: 3
/// 16.76
/// 19,315
/// </summary>
/// <param name="input"></param>
/// <param name="digits"></param>
/// <returns></returns>
public static double Parse(string input, int decimals)
{
input = input.Replace(" ", ""); //Remove white spaces
string sign = "";
if (input[0] == '-')
{
sign = "-";
input = input.Substring(1, input.Length - 1);
}
int position = input.Length - (decimals + 1);
int cntd1 = Doubles.CharsCount(input, '.');
int cntd2 = Doubles.CharsCount(input, ',');
bool exc = false;
if (cntd1 + cntd2 == 1 && decimals != 0)
{
exc = true;
}
string correction = "";
for (int i = 0; i < input.Length; i++)
{
char c = input[i];
//if char is a digit, add it and simply continue
if (char.IsDigit(c))
{
correction += c;
continue;
}
if (c == '.' || c == ',')
{
//ignore excess formating
if (i == position || exc)
{
correction += c;
}
continue;
}
throw new Exception("Unknown Format !");
}
correction = correction.Replace(",", ".");
correction = sign + correction;
double value = double.Parse(correction, CultureInfo.InvariantCulture);
if (sign == "-")
{
value = -value;
}
#region Bact Test
//new number of decimals cannot be greater then expected
string test = value.ToString().Replace(",", ".");
int index = test.IndexOf(".");
if (index >= 0)
{
int dec = test.Length - (index + 1);
if (dec > decimals)
{
throw new Exception("Backtest failed !");
}
}
#endregion
return(value);
}
