Statistics: TruncatedNormal minor formatting tweaks #344

src/Numerics/Distributions/TruncatedNormal.cs

@@ -4,7 +4,7 @@
 // http://github.com/mathnet/mathnet-numerics
 // http://mathnetnumerics.codeplex.com
 //
-// Copyright (c) 2009-2013 Math.NET
+// Copyright (c) 2009-2015 Math.NET
 //
 // Permission is hereby granted, free of charge, to any person
 // obtaining a copy of this software and associated documentation
@@ -42,24 +42,27 @@ namespace MathNet.Numerics.Distributions {
 	/// </summary>
 	public class TruncatedNormal : IContinuousDistribution
 	{
-
 		System.Random _random;
 
 		/// <summary>
 		/// Mean of the untruncated normal distribution.
 		/// </summary>
 		readonly double _mu;
+
 		/// <summary>
 		/// Standard deviation of the uncorrected normal distribution.
 		/// </summary>
 		readonly double _sigma;
+
 		readonly double _lowerBound;
 		readonly double _upperBound;
 		readonly Normal _standardNormal = new Normal(0.0, 1.0);
+
 		/// <summary>
 		/// Position in the standard normal distribution of the lower bound.
 		/// </summary>
 		readonly double _alpha;
+
 		/// <summary>
 		/// Position in the standard normal distribution of the upper bound.
 		/// </summary>
@@ -82,9 +85,8 @@ namespace MathNet.Numerics.Distributions {
 		/// <param name="upperBound">The inclusive upper bound of the truncated distribution. Must be larger than <paramref name="lowerBound"/>.
 		/// Default is double.PositiveInfinity.</param>
 		public TruncatedNormal(double mean, double stddev, double lowerBound = double.NegativeInfinity, double upperBound = double.PositiveInfinity)
-			:this(mean, stddev, SystemRandomSource.Default, lowerBound, upperBound) 
+			: this(mean, stddev, SystemRandomSource.Default, lowerBound, upperBound)
 		{
-
 		}
 
 		/// <summary>
@@ -128,14 +130,15 @@ namespace MathNet.Numerics.Distributions {
 			return normalRequirements && boundsAreOrdered;
 		}
 
-		public override string ToString() {
+		public override string ToString()
+        {
 			return "TruncatedNormal(μ = " + _mu + ", σ = " + _sigma +", LowerBound = " + _lowerBound + ", UpperBound = " + _upperBound + ")";
 		}
 
-		/// <summary>
+        /// <summary>
-		/// Gets the mode of the normal distribution.
+        /// Gets the mode of the truncated normal distribution.
-		/// </summary>
+        /// </summary>
-		public double Mode 
+        public double Mode
 		{
 			get
 			{
@@ -281,8 +284,7 @@ namespace MathNet.Numerics.Distributions {
 		public double DensityLn(double x)
 		{
 			return _standardNormal.DensityLn((x - _mu) / _sigma) - Math.Log(_sigma) - Math.Log(_cumulativeDensityWithinBounds);
-      }
+        }
-
 
 		public double Sample()
 		{
@@ -293,14 +295,16 @@ namespace MathNet.Numerics.Distributions {
 
 		public void Samples(double[] values)
 		{
-			for(int i = 0; i < values.Length; i++) {
+			for(int i = 0; i < values.Length; i++)
+            {
 				values[i] = Sample();
 			}
 		}
 
 		public IEnumerable<double> Samples()
 		{
-			while (true) {
+			while (true)
+            {
 				yield return Sample();
 			}
 		}
@@ -336,6 +340,5 @@ namespace MathNet.Numerics.Distributions {
 
 			return _standardNormal.InverseCumulativeDistribution(pUntruncated) * _sigma + _mu;
 		}
-
 	}
 }

src/UnitTests/DistributionTests/CommonDistributionTests.cs

@@ -89,8 +89,8 @@ namespace MathNet.Numerics.UnitTests.DistributionTests
                 new StudentT(0.0, 1.0, 5.0),
                 new Triangular(0, 1, 0.7),
                 new Weibull(1.0, 1.0),
-					 new TruncatedNormal(0, 1.0, -1.0, 1.5), //Finite
+				new TruncatedNormal(0, 1.0, -1.0, 1.5), //Finite
-					 new TruncatedNormal(0, 1.0, -0.5),      //Semi-finite
+				new TruncatedNormal(0, 1.0, -0.5),      //Semi-finite
             };
 
         [Test]

src/UnitTests/DistributionTests/Continuous/TruncatedNormalTests.cs

@@ -4,7 +4,7 @@
 // http://github.com/mathnet/mathnet-numerics
 // http://mathnetnumerics.codeplex.com
 //
-// Copyright (c) 2009-2014 Math.NET
+// Copyright (c) 2009-2015 Math.NET
 //
 // Permission is hereby granted, free of charge, to any person
 // obtaining a copy of this software and associated documentation
@@ -31,16 +31,13 @@
 using MathNet.Numerics.Distributions;
 using NUnit.Framework;
 using System;
-using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 
 namespace MathNet.Numerics.UnitTests.DistributionTests.Continuous
 {
 	[TestFixture, Category("Distributions")]
 	public class TruncatedNormalTests
 	{
-
 		/// <summary>
 		/// Can create a truncated normal without bounds.
 		/// </summary>