Feat : Add dtype check

Author: dotchris90

src/NumSharp.Core/Math/NdArray.Convolve.cs

@@ -24,7 +24,7 @@ public NDArray Convolve(NDArray numSharpArray2, string mode = "full" )
             if (shape.NDim > 1)
                 throw new IncorrectShapeException();
 
-            var numSharpReturn = new NDArray(this.dtype);
+            var numSharpReturn = new NDArray(typeof(double));
 
             double[] np1 = this.Storage.GetData<double>();
             double[] np2 = numSharpArray2.Storage.GetData<double>();

src/NumSharp.Core/NDStorage.cs

@@ -64,8 +64,13 @@ public static NDStorage CreateByShapeAndType(Type dtype,Shape shape)
         }
         public static NDStorage CreateByArray(Array values)
         {
-            Type dtype = values.GetType().GetElementType();
-            
+            Type dtype = null;
+
+            if ( !values.GetType().GetElementType().IsArray  )
+                dtype = values.GetType().GetElementType();
+            else 
+                throw new IncorrectShapeException();
+
             int[] dims = new int[values.Rank];
 
             for (int idx = 0; idx < dims.Length;idx++)
@@ -74,6 +79,8 @@ public static NDStorage CreateByArray(Array values)
             var storage = NDStorage.CreateByShapeAndType(dtype,new Shape(dims));
             storage.values = Array.CreateInstance(dtype,values.Length);
 
+            storage.SetData(values);
+
             return storage;
         }
         /// <summary>