/// <summary>
/// handles values larger than int32 max
/// returns random within range
/// </summary>
private static string HandleLargeValue(Spn spn, Random rand)
{
double output = 0;
double multiplier = (double)(spn.Highvalue / (decimal)(Int32.MaxValue));
var num = (int)multiplier;
var dec = multiplier - num;
for (int i = 0; i < num; i++)
{
output += rand.Next(1, Int32.MaxValue);
}
var remain = (int)(dec * Int32.MaxValue);
if (remain > 0)
{
output += rand.Next(1, remain);
}
if (spn.Factor > 0)
{
var deciml = new Random().Next(0, spn.Factor * 10);
double decPart = deciml / (spn.Factor * 10.0);
output += decPart;
}
return(output.ToString(CultureInfo.InvariantCulture));
}
/// <summary>
/// handles possible negative values
/// returns random within range
/// </summary>
private static string HandleNegativeValue(Spn spn, Random rand)
{
double output = 0;
string s = string.Empty;
var absLowValue = (double)(Math.Abs(spn.Lowvalue));
var chanceofnegative = absLowValue + (double)spn.Highvalue;
chanceofnegative = absLowValue / chanceofnegative;
int chanceoutof100 = (int)chanceofnegative * 100;
//let fate decide if we should be negative
//if so:
if (rand.Next(0, 100) < chanceoutof100)
{
//produce negative output value
if (absLowValue > Int32.MaxValue)
{
return("-" + HandleLargeValue(spn, rand));
}
return("-" + HandleSmallValue(spn, rand));
}
//otherwise:
if (spn.Highvalue <= Int32.MaxValue)
{
return(HandleSmallValue(spn, rand));
}
return(HandleLargeValue(spn, rand));
}
/// <summary>
/// handles small values < int32 max
/// returns random within range
/// </summary>
private static string HandleSmallValue(Spn spn, Random rand)
{
double output = 0;
int lowval = 0;
int highval = (int)(spn.Highvalue);
output = rand.Next(lowval, highval);
return(output.ToString());
}
public SpnLookup(string columnHeaders, List <String> lines)
{
Header = columnHeaders;
Lookup = new Dictionary <int, Spn>();
foreach (var line in lines)
{
var spn = new Spn(line);
Lookup.Add(spn.SpnNumber, spn);
SpnCount++;
}
}
public SpnLookup(string columnHeaders, List<String> lines)
{
Header = columnHeaders;
Lookup = new Dictionary<int, Spn>();
foreach (var line in lines)
{
var spn = new Spn(line);
Lookup.Add(spn.SpnNumber, spn);
SpnCount++;
}
}
/// <summary>
/// returns valid random value for spn
/// </summary>
private string GetValue(Spn spn)
{
var rand = new Random();
double output = 0;
if (spn.Highvalue <= Int32.MaxValue)
{
return(HandleSmallValue(spn, rand));
}
//determine how likely we are to generate a negative number, and then determine if we should, then do it
if (spn.Lowvalue < 0)
{
return(HandleNegativeValue(spn, rand));
}
return(HandleLargeValue(spn, rand));
}
/// <summary>
/// handles values larger than int32 max
/// returns random within range
/// </summary>
private static string HandleLargeValue(Spn spn, Random rand)
{
double output = 0;
double multiplier = (double) (spn.Highvalue/(decimal) (Int32.MaxValue));
var num = (int) multiplier;
var dec = multiplier - num;
for (int i = 0; i < num; i++)
{
output += rand.Next(1, Int32.MaxValue);
}
var remain = (int)(dec *Int32.MaxValue);
if (remain > 0)
{
output += rand.Next(1, remain);
}
if (spn.Factor > 0)
{
var deciml = new Random().Next(0, spn.Factor*10);
double decPart = deciml/(spn.Factor*10.0);
output += decPart;
}
return output.ToString(CultureInfo.InvariantCulture);
}
/// <summary>
/// returns valid random value for spn
/// </summary>
private string GetValue(Spn spn)
{
var rand = new Random();
double output = 0;
if (spn.Highvalue <= Int32.MaxValue)
{
return HandleSmallValue(spn, rand);
}
//determine how likely we are to generate a negative number, and then determine if we should, then do it
if (spn.Lowvalue < 0)
{
return HandleNegativeValue(spn, rand);
}
return HandleLargeValue(spn, rand);
}
/// <summary>
/// handles small values < int32 max
/// returns random within range
/// </summary>
private static string HandleSmallValue(Spn spn, Random rand)
{
double output = 0;
int lowval = 0;
int highval = (int) (spn.Highvalue);
output = rand.Next(lowval, highval);
return output.ToString();
}
/// <summary>
/// handles possible negative values
/// returns random within range
/// </summary>
private static string HandleNegativeValue(Spn spn, Random rand)
{
double output = 0;
string s = string.Empty;
var absLowValue = (double) (Math.Abs(spn.Lowvalue));
var chanceofnegative = absLowValue + (double) spn.Highvalue;
chanceofnegative = absLowValue/chanceofnegative;
int chanceoutof100 = (int) chanceofnegative*100;
//let fate decide if we should be negative
//if so:
if (rand.Next(0, 100) < chanceoutof100)
{
//produce negative output value
if (absLowValue > Int32.MaxValue)
{
return "-" + HandleLargeValue(spn, rand);
}
return "-" + HandleSmallValue(spn, rand);
}
//otherwise:
if (spn.Highvalue <= Int32.MaxValue)
{
return HandleSmallValue(spn, rand);
}
return HandleLargeValue(spn, rand);
}
