From bbceec35e7d0dcc0483329c8d9aa044258e4e8a8 Mon Sep 17 00:00:00 2001
From: Christoph Ruegg <git@cdrnet.ch>
Date: Mon, 10 Oct 2011 21:45:02 +0200
Subject: [PATCH] LinearAlgebra: sparse vectors longer than 20 are no longer
 fully rendered on ToString

---
 src/Numerics/LinearAlgebra/Complex/SparseVector.cs   | 10 ++++++++++
 src/Numerics/LinearAlgebra/Complex32/SparseVector.cs | 10 ++++++++++
 src/Numerics/LinearAlgebra/Double/SparseVector.cs    | 10 ++++++++++
 src/Numerics/LinearAlgebra/Single/SparseVector.cs    | 10 ++++++++++
 4 files changed, 40 insertions(+)

diff --git a/src/Numerics/LinearAlgebra/Complex/SparseVector.cs b/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
index 4732584c..8afc4d82 100644
--- a/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Complex/SparseVector.cs
@@ -1260,6 +1260,16 @@ namespace MathNet.Numerics.LinearAlgebra.Complex
 
         #region System.Object override
 
+        public override string ToString(string format, IFormatProvider formatProvider)
+        {
+            if (Count > 20)
+            {
+                return String.Format("SparseVectorOfComplex({0},{1},{2})", Count, NonZerosCount, GetHashCode());
+            }
+
+            return base.ToString(format, formatProvider);
+        }
+
         /// <summary>
         /// Check equality. If this is regular vector, then check by base implementation. If Sparse - use own method.
         /// </summary>
diff --git a/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs b/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
index 8bd7a623..e1326c25 100644
--- a/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Complex32/SparseVector.cs
@@ -1290,6 +1290,16 @@ namespace MathNet.Numerics.LinearAlgebra.Complex32
 
         #region System.Object override
 
+        public override string ToString(string format, IFormatProvider formatProvider)
+        {
+            if (Count > 20)
+            {
+                return String.Format("SparseVectorOfComplex32({0},{1},{2})", Count, NonZerosCount, GetHashCode());
+            }
+
+            return base.ToString(format, formatProvider);
+        }
+
         /// <summary>
         /// Check equality. If this is regular vector, then check by base implementation. If Sparse - use own method.
         /// </summary>
diff --git a/src/Numerics/LinearAlgebra/Double/SparseVector.cs b/src/Numerics/LinearAlgebra/Double/SparseVector.cs
index f5fd4fd1..911dbe64 100644
--- a/src/Numerics/LinearAlgebra/Double/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Double/SparseVector.cs
@@ -1320,6 +1320,16 @@ namespace MathNet.Numerics.LinearAlgebra.Double
 
         #region System.Object override
 
+        public override string ToString(string format, IFormatProvider formatProvider)
+        {
+            if (Count > 20)
+            {
+                return String.Format("SparseVectorOfDouble({0},{1},{2})", Count, NonZerosCount, GetHashCode());
+            }
+
+            return base.ToString(format, formatProvider);
+        }
+
         /// <summary>
         /// Returns a hash code for this instance.
         /// </summary>
diff --git a/src/Numerics/LinearAlgebra/Single/SparseVector.cs b/src/Numerics/LinearAlgebra/Single/SparseVector.cs
index f7ade9c8..3b88434c 100644
--- a/src/Numerics/LinearAlgebra/Single/SparseVector.cs
+++ b/src/Numerics/LinearAlgebra/Single/SparseVector.cs
@@ -1330,6 +1330,16 @@ namespace MathNet.Numerics.LinearAlgebra.Single
 
         #region System.Object override
 
+        public override string ToString(string format, IFormatProvider formatProvider)
+        {
+            if (Count > 20)
+            {
+                return String.Format("SparseVectorOfSingle({0},{1},{2})", Count, NonZerosCount, GetHashCode());
+            }
+
+            return base.ToString(format, formatProvider);
+        }
+
         /// <summary>
         /// Returns a hash code for this instance.
         /// </summary>