public void Uniform(
int sampleSize,
double[] destinationArray,
int destinationIndex,
double lowerBound,
double upperBound)
{
ProbabilityDistribution.ValidateSampleInput(
sampleSize,
destinationArray,
destinationIndex);
UniformDistribution.ValidateBounds(
lowerBound,
upperBound);
unsafe
{
fixed(double *destinationPointer = &destinationArray[destinationIndex])
{
SafeNativeMethods.VSL.vdRngUniform(
0,
this.descriptor.DangerousGetHandle().ToPointer(),
sampleSize,
destinationPointer,
lowerBound,
upperBound);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UniformDistribution"/> class
/// defined on an interval having the specified lower and upper bounds.
/// </summary>
/// <param name="lowerBound">The interval lower bound.</param>
/// <param name="upperBound">The interval upper bound.</param>
/// <exception cref="ArgumentException">
/// <paramref name="upperBound"/> is not greater
/// than <paramref name="lowerBound"/>.
/// </exception>
public UniformDistribution(double lowerBound, double upperBound)
{
UniformDistribution.ValidateBounds(lowerBound, upperBound);
this.lowerBound = lowerBound;
this.upperBound = upperBound;
}
public double Uniform(
double lowerBound,
double upperBound)
{
UniformDistribution.ValidateBounds(
lowerBound,
upperBound);
double sample;
unsafe
{
SafeNativeMethods.VSL.vdRngUniform(
0,
this.descriptor.DangerousGetHandle().ToPointer(),
1,
&sample,
lowerBound,
upperBound);
}
return(sample);
}
public int DiscreteUniform(
int lowerBound,
int upperBound)
{
UniformDistribution.ValidateBounds(
lowerBound,
upperBound);
int sample;
unsafe
{
SafeNativeMethods.VSL.viRngUniform(
0,
this.descriptor.DangerousGetHandle().ToPointer(),
1,
&sample,
lowerBound,
upperBound);
}
return(sample);
}
