TensorShape: Fixed construction when passing int[] or long[]

src/TensorFlowNET.Core/Tensors/TensorShape.cs

@@ -57,10 +57,36 @@ namespace Tensorflow
 
         public TensorShape(params object[] dims)
         {
-            var intdims = new int[dims.Length];
-            for (int i = 0; i < dims.Length; i++)
+            Array arr;
+
+            if (dims.Length == 1)
+            {
+                switch (dims[0])
+                {
+                    case int[] intarr:
+                        arr = intarr;
+                        break;
+                    case long[] longarr:
+                        arr = longarr;
+                        break;
+                    case object[] objarr:
+                        arr = objarr;
+                        break;
+                    case int _:
+                    case long _:
+                        arr = dims;
+                        break;
+                    default:
+                        Binding.print(dims);
+                        throw new ArgumentException(nameof(dims));
+                }
+            } else
+                arr = dims;
+
+            var intdims = new int[arr.Length];
+            for (int i = 0; i < arr.Length; i++)
             {
-                var val = dims[i];
+                var val = arr.GetValue(i);
                 if (val == Binding.None)
                     intdims[i] = -1;
                 else
@@ -69,10 +95,18 @@ namespace Tensorflow
 
             switch (dims.Length)
             {
-                case 0: shape = new Shape(new int[0]); break;
-                case 1: shape = Shape.Vector((int) intdims[0]); break;
-                case 2: shape = Shape.Matrix(intdims[0], intdims[1]); break;
-                default: shape = new Shape(intdims); break;
+                case 0:
+                    shape = new Shape(new int[0]);
+                    break;
+                case 1:
+                    shape = Shape.Vector((int) intdims[0]);
+                    break;
+                case 2:
+                    shape = Shape.Matrix(intdims[0], intdims[1]);
+                    break;
+                default:
+                    shape = new Shape(intdims);
+                    break;
             }
         }