From f2b5133bc6cea115f48df7a9e21c24fc1995861b Mon Sep 17 00:00:00 2001
From: tibel <tibel@codeplex.fake>
Date: Sat, 2 Feb 2013 07:28:46 +0100
Subject: [PATCH] Add SparseVector.NonZerosCount property

---
 src/Numerics/LinearAlgebra/Complex/SparseVector.cs   | 9 +++++++++
 src/Numerics/LinearAlgebra/Complex32/SparseVector.cs | 9 +++++++++
 src/Numerics/LinearAlgebra/Double/SparseVector.cs    | 9 +++++++++
 src/Numerics/LinearAlgebra/Single/SparseVector.cs    | 9 +++++++++
 4 files changed, 36 insertions(+)

diff --git a/src/Numerics/LinearAlgebra/Complex/SparseVector.cs b/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
index e104193c..d3265cfc 100644
--- a/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
@@ -49,6 +49,15 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
     {
         readonly SparseVectorStorage<Complex> _storage;
 
+        /// <summary>
+        /// Gets the number of non zero elements in the vector.
+        /// </summary>
+        /// <value>The number of non zero elements.</value>
+        public int NonZerosCount
+        {
+            get { return _storage.ValueCount; }
+        }
+
         internal SparseVector(SparseVectorStorage<Complex> storage)
             : base(storage)
         {
diff --git a/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs b/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
index 90db1090..914fc87d 100644
--- a/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
@@ -49,6 +49,15 @@ namespace MathNet.Numerics.LinearAlgebra.Complex32
     {
         readonly SparseVectorStorage<Complex32> _storage;
 
+        /// <summary>
+        /// Gets the number of non zero elements in the vector.
+        /// </summary>
+        /// <value>The number of non zero elements.</value>
+        public int NonZerosCount
+        {
+            get { return _storage.ValueCount; }
+        }
+
         internal SparseVector(SparseVectorStorage<Complex32> storage)
             : base(storage)
         {
diff --git a/src/Numerics/LinearAlgebra/Double/SparseVector.cs b/src/Numerics/LinearAlgebra/Double/SparseVector.cs
index fbf0b1ee..e38ddde7 100644
--- a/src/Numerics/LinearAlgebra/Double/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Double/SparseVector.cs
@@ -49,6 +49,15 @@ namespace MathNet.Numerics.LinearAlgebra.Double
     {
         readonly SparseVectorStorage<double> _storage;
 
+        /// <summary>
+        /// Gets the number of non zero elements in the vector.
+        /// </summary>
+        /// <value>The number of non zero elements.</value>
+        public int NonZerosCount
+        {
+            get { return _storage.ValueCount; }
+        }
+
         internal SparseVector(SparseVectorStorage<double> storage)
             : base(storage)
         {
diff --git a/src/Numerics/LinearAlgebra/Single/SparseVector.cs b/src/Numerics/LinearAlgebra/Single/SparseVector.cs
index 4fbd996d..67f65f14 100644
--- a/src/Numerics/LinearAlgebra/Single/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Single/SparseVector.cs
@@ -49,6 +49,15 @@ namespace MathNet.Numerics.LinearAlgebra.Single
     {
         readonly SparseVectorStorage<float> _storage;
 
+        /// <summary>
+        /// Gets the number of non zero elements in the vector.
+        /// </summary>
+        /// <value>The number of non zero elements.</value>
+        public int NonZerosCount
+        {
+            get { return _storage.ValueCount; }
+        }
+
         internal SparseVector(SparseVectorStorage<float> storage)
             : base(storage)
         {