From 518095db750e677a26887475563585cd6a12d1cc Mon Sep 17 00:00:00 2001
From: Oceania2018 <haiping008@gmail.com>
Date: Thu, 13 Dec 2018 07:04:56 -0600
Subject: [PATCH] update tf.constant

---
 src/TensorFlowNET.Core/Graph.cs                  |  7 ++++---
 src/TensorFlowNET.Core/TensorFlowNET.Core.csproj |  4 ++++
 src/TensorFlowNET.Core/Tensorflow.cs             |  9 ++++++---
 src/TensorFlowNET.Core/tensor_util.cs            | 15 +++++++++++++++
 test/TensorFlowNET.Examples/HelloWorld.cs        |  1 +
 5 files changed, 30 insertions(+), 6 deletions(-)
 create mode 100644 src/TensorFlowNET.Core/tensor_util.cs

diff --git a/src/TensorFlowNET.Core/Graph.cs b/src/TensorFlowNET.Core/Graph.cs
index 696cf38a..3518ac7a 100644
--- a/src/TensorFlowNET.Core/Graph.cs
+++ b/src/TensorFlowNET.Core/Graph.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 
@@ -26,7 +27,7 @@ namespace TensorFlowNET.Core
             _nodes_by_name = new Dictionary<string, Operation>();
         }
 
-        public unsafe Operation create_op(object inputs, string op_type = "", string name = "")
+        public unsafe Operation create_op(string op_type, object inputs, TF_DataType[] dtypes, TF_DataType[] input_types = null, string name = "")
         {
             if (String.IsNullOrEmpty(name))
             {
@@ -51,9 +52,9 @@ namespace TensorFlowNET.Core
             return ++_next_id_counter;
         }
 
-        public void get_operations()
+        public Operation[] get_operations()
         {
-
+            return _nodes_by_name.Values.Select(x => x).ToArray();
         }
     }
 }
diff --git a/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj b/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
index 43821acd..c95a170c 100644
--- a/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
+++ b/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
@@ -9,6 +9,10 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\NumSharp\src\NumSharp.Core\NumSharp.Core.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <None Update="libtensorflow.dll">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
diff --git a/src/TensorFlowNET.Core/Tensorflow.cs b/src/TensorFlowNET.Core/Tensorflow.cs
index 1fc847c0..e83e8a3a 100644
--- a/src/TensorFlowNET.Core/Tensorflow.cs
+++ b/src/TensorFlowNET.Core/Tensorflow.cs
@@ -3,8 +3,6 @@ using System.Collections.Generic;
 using System.Runtime.InteropServices;
 using System.Text;
 
-
-
 namespace TensorFlowNET.Core
 {
     public static class Tensorflow
@@ -14,7 +12,7 @@ namespace TensorFlowNET.Core
         public static unsafe Tensor constant(object value)
         {
             var g = ops.get_default_graph();
-            g.create_op(value, "Const");
+            g.create_op("Const", value, new TF_DataType[] { TF_DataType.TF_DOUBLE });
 
             return new Tensor();
         }
@@ -29,6 +27,11 @@ namespace TensorFlowNET.Core
 
         public static string VERSION => Marshal.PtrToStringAnsi(c_api.TF_Version());
 
+        public static Graph get_default_graph()
+        {
+            return ops.get_default_graph();
+        }
+
         public static Graph Graph()
         {
             Graph g = new Graph(c_api.TF_NewGraph());
diff --git a/src/TensorFlowNET.Core/tensor_util.cs b/src/TensorFlowNET.Core/tensor_util.cs
new file mode 100644
index 00000000..c3cc2cf4
--- /dev/null
+++ b/src/TensorFlowNET.Core/tensor_util.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using np = NumSharp.Core.NumPy;
+
+namespace TensorFlowNET.Core
+{
+    public static class tensor_util
+    {
+        public static void make_tensor_proto(object values, Type dtype = null)
+        {
+            var nparray = np.array(values as Array, dtype);
+        }
+    }
+}
diff --git a/test/TensorFlowNET.Examples/HelloWorld.cs b/test/TensorFlowNET.Examples/HelloWorld.cs
index dedcff7f..a32700e4 100644
--- a/test/TensorFlowNET.Examples/HelloWorld.cs
+++ b/test/TensorFlowNET.Examples/HelloWorld.cs
@@ -18,6 +18,7 @@ namespace TensorFlowNET.Examples
             
               The value returned by the constructor represents the output
               of the Constant op.*/
+            var graph = tf.get_default_graph();
             var hello = tf.constant(4.0);
             //var hello = tf.constant("Hello, TensorFlow!");