Data: use File.Create instead of OpenWrite to enforce overwriting #487

src/Data/Matlab/MatlabWriter.cs

@@ -48,7 +48,7 @@ namespace MathNet.Numerics.Data.Matlab
 
         public static void Store(string filePath, IEnumerable<MatlabMatrix> matrices)
         {
-            using (var stream = File.OpenWrite(filePath))
+            using (var stream = File.Create(filePath))
             {
                 Store(stream, matrices);
             }

src/Data/Text/MatrixMarketWriter.cs

@@ -47,7 +47,7 @@ namespace MathNet.Numerics.Data.Text
 
         public static void WriteMatrix<T>(string filePath, Matrix<T> matrix, Compression compression = Compression.Uncompressed) where T : struct, IEquatable<T>, IFormattable
         {
-            using (var stream = File.OpenWrite(filePath))
+            using (var stream = File.Create(filePath))
             {
                 switch (compression)
                 {
@@ -77,7 +77,7 @@ namespace MathNet.Numerics.Data.Text
 
         public static void WriteVector<T>(string filePath, Vector<T> vector, Compression compression = Compression.Uncompressed) where T : struct, IEquatable<T>, IFormattable
         {
-            using (var stream = File.OpenWrite(filePath))
+            using (var stream = File.Create(filePath))
             {
                 switch (compression)
                 {

src/DataUnitTests/Matlab/MatlabReaderTests.cs

@@ -24,7 +24,6 @@
 // OTHER DEALINGS IN THE SOFTWARE.
 // </copyright>
 
-using System.IO;
 using System.Numerics;
 using MathNet.Numerics.Data.Matlab;
 using NUnit.Framework;