Merge pull request #1116 from lingbai-kong/imdbfix

fix: type converting errors when loading imdb dataset

Author: Oceania2018

src/TensorFlowNET.Core/NumPy/NDArray.Implicit.cs

@@ -107,9 +107,15 @@ public unsafe static implicit operator double(NDArray nd)
         public static implicit operator NDArray(bool value)
             => new NDArray(value);
 
+        public static implicit operator NDArray(byte value)
+            => new NDArray(value);
+
         public static implicit operator NDArray(int value)
             => new NDArray(value);
 
+        public static implicit operator NDArray(long value)
+            => new NDArray(value);
+
         public static implicit operator NDArray(float value)
             => new NDArray(value);
 

src/TensorFlowNET.Core/Operations/array_ops.cs

@@ -84,8 +84,13 @@ public static Tensor zeros(Shape shape, TF_DataType dtype = TF_DataType.TF_FLOAT
                     // var shape_tensor = constant_op._tensor_shape_tensor_conversion_function(shape);
                     Tensor zeros = dtype switch
                     {
+                        TF_DataType.TF_BOOL => constant(false),
                         TF_DataType.TF_DOUBLE => constant(0d),
                         TF_DataType.TF_FLOAT => constant(0f),
+                        TF_DataType.TF_INT64 => constant(0L),
+                        TF_DataType.TF_UINT64 => constant((ulong)0),
+                        TF_DataType.TF_INT32 => constant(0),
+                        TF_DataType.TF_UINT32 => constant((uint)0),
                         TF_DataType.TF_INT8 => constant((sbyte)0),
                         TF_DataType.TF_UINT8 => constant((byte)0),
                         _ => constant(0)
@@ -108,9 +113,15 @@ public static Tensor zeros(Shape shape, TF_DataType dtype = TF_DataType.TF_FLOAT
                             return _constant_if_small(0.0F, shape, dtype, name);
                         case TF_DataType.TF_INT64:
                             return _constant_if_small(0L, shape, dtype, name);
+                        case TF_DataType.TF_UINT64:
+                            return _constant_if_small<ulong>(0, shape, dtype, name);
                         case TF_DataType.TF_INT32:
                             return _constant_if_small(0, shape, dtype, name);
+                        case TF_DataType.TF_UINT32:
+                            return _constant_if_small<uint>(0, shape, dtype, name);
                         case TF_DataType.TF_INT8:
+                            return _constant_if_small<sbyte>(0, shape, dtype, name);
+                        case TF_DataType.TF_UINT8:
                             return _constant_if_small<byte>(0, shape, dtype, name);
                         default:
                             throw new TypeError("can't find type for zeros");