public double GetGaussianShiftedDouble(double initialValue, double meanOffset, double unitsPerSigma, OffsetConstraints constraintPassed)
{
double probability = GaussianProbability(12);
switch (constraintPassed)
{
case OffsetConstraints.None:
// Doesn't do anything
break;
case OffsetConstraints.NegativeOnly:
if (probability > 0.0)
{
probability *= -1;
}
break;
case OffsetConstraints.PositiveOnly:
if (probability < 0.0)
{
probability *= -1;
}
break;
default:
// Report Error Here
break;
}
double offsetResult = initialValue + meanOffset + (probability * unitsPerSigma);
return offsetResult;
}
public DateTime GetGaussianShiftedDateTime(DateTime initialValue, double meanOffset, double unitsPerSigma, TimeUnits unitsPassed, OffsetConstraints constraintsPassed)
{
DateTime offsetValue = initialValue;
TimeSpan offsetSpan = new TimeSpan();
double probability = GaussianProbability(12);
switch (constraintsPassed)
{
case OffsetConstraints.None:
// This does nothing.
break;
case OffsetConstraints.NegativeOnly:
if (probability > 0.0)
{
probability *= -1;
}
break;
case OffsetConstraints.PositiveOnly:
if (probability < 0.0)
{
probability *= -1;
}
break;
default:
// Report error here
break;
}
double offsetAmount = meanOffset + (probability * unitsPerSigma);
bool negativeOffset = offsetAmount < 0.0;
offsetAmount = Math.Abs(offsetAmount);
offsetSpan = ConvertDoubleToTimeSpan(offsetAmount, unitsPassed);
if (negativeOffset)
{
offsetValue = initialValue - offsetSpan;
}
else
{
offsetValue = initialValue + offsetSpan;
}
return offsetValue;
}
