TensorShape: Added implicit conversions for object type.

src/TensorFlowNET.Core/Tensors/TensorShape.cs

@@ -254,6 +254,22 @@ namespace Tensorflow
 
         public static explicit operator (int, int, int, int, int, int)(TensorShape shape) => shape.dims.Length == 6 ? (shape.dims[0], shape.dims[1], shape.dims[2], shape.dims[3], shape.dims[4], shape.dims[5]) : (0, 0, 0, 0, 0, 0);
         public static implicit operator TensorShape((int, int, int, int, int, int) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5, dims.Item6);
+                
+        public static explicit operator (int, int, int, int, int, int, int)(TensorShape shape) => shape.dims.Length == 7 ? (shape.dims[0], shape.dims[1], shape.dims[2], shape.dims[3], shape.dims[4], shape.dims[5], shape.dims[6]) : (0, 0, 0, 0, 0, 0, 0);
+        public static implicit operator TensorShape((int, int, int, int, int, int, int) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5, dims.Item6, dims.Item7);
+                
+        public static explicit operator (int, int, int, int, int, int, int, int)(TensorShape shape) => shape.dims.Length == 8 ? (shape.dims[0], shape.dims[1], shape.dims[2], shape.dims[3], shape.dims[4], shape.dims[5], shape.dims[6], shape.dims[7]) : (0, 0, 0, 0, 0, 0, 0, 0);
+        public static implicit operator TensorShape((int, int, int, int, int, int, int, int) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5, dims.Item6, dims.Item7, dims.Item8);
+        
+        public static implicit operator TensorShape(int?[] dims) => new TensorShape(dims);
+        public static implicit operator TensorShape(int? dim) => new TensorShape(dim);
+        public static implicit operator TensorShape((object, object) dims) => new TensorShape(dims.Item1, dims.Item2);
+        public static implicit operator TensorShape((object, object, object) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3);
+        public static implicit operator TensorShape((object, object, object, object) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4);
+        public static implicit operator TensorShape((object, object, object, object, object) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5);
+        public static implicit operator TensorShape((object, object, object, object, object, object) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5, dims.Item6);
+        public static implicit operator TensorShape((object, object, object, object, object, object, object) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5, dims.Item6, dims.Item7);
+        public static implicit operator TensorShape((object, object, object, object, object, object, object, object) dims) => new TensorShape(dims.Item1, dims.Item2, dims.Item3, dims.Item4, dims.Item5, dims.Item6, dims.Item7, dims.Item8);
 
     }
 }

test/TensorFlowNET.UnitTest/TensorShapeTest.cs

@@ -0,0 +1,60 @@
+using System;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using NumSharp;
+using Tensorflow;
+using static Tensorflow.Binding;
+
+namespace TensorFlowNET.UnitTest
+{
+    [TestClass]
+    public class TensorShapeTest
+    {
+        [TestMethod]
+        public void Case1()
+        {
+            int? a = 2;
+            int? b = 3;
+            var dims = new object[] {(int?) None, a, b};
+            new TensorShape(dims).GetPrivate<Shape>("shape").Should().BeShaped(-1, 2, 3);
+        }
+
+        [TestMethod]
+        public void Case2()
+        {
+            int? a = 2;
+            int? b = 3;
+            var dims = new object[] {(int?) None, a, b};
+            new TensorShape(new object[] {dims}).GetPrivate<Shape>("shape").Should().BeShaped(-1, 2, 3);
+        }
+
+        [TestMethod]
+        public void Case3()
+        {
+            int? a = 2;
+            int? b = null;
+            var dims = new object[] {(int?) None, a, b};
+            new TensorShape(new object[] {dims}).GetPrivate<Shape>("shape").Should().BeShaped(-1, 2, -1);
+        }
+
+        [TestMethod]
+        public void Case4()
+        {
+            TensorShape shape = (None, None);
+            shape.GetPrivate<Shape>("shape").Should().BeShaped(-1, -1);
+        }
+
+        [TestMethod]
+        public void Case5()
+        {
+            TensorShape shape = (1, None, 3);
+            shape.GetPrivate<Shape>("shape").Should().BeShaped(1, -1, 3);
+        }
+
+        [TestMethod]
+        public void Case6()
+        {
+            TensorShape shape = (None, 1, 2, 3, None);
+            shape.GetPrivate<Shape>("shape").Should().BeShaped(-1, 1, 2, 3, -1);
+        }
+    }
+}