From 79b9a075477b2dbe91030b61b7afc5d6d2305306 Mon Sep 17 00:00:00 2001
From: Oceania2018 <haiping008@gmail.com>
Date: Wed, 27 Mar 2019 01:54:30 -0500
Subject: [PATCH] add tf.acos

---
 src/TensorFlowNET.Core/APIs/tf.math.cs            | 9 +++++++++
 src/TensorFlowNET.Core/Operations/gen_math_ops.cs | 7 +++++++
 2 files changed, 16 insertions(+)

diff --git a/src/TensorFlowNET.Core/APIs/tf.math.cs b/src/TensorFlowNET.Core/APIs/tf.math.cs
index 3eba6032..7405b53c 100644
--- a/src/TensorFlowNET.Core/APIs/tf.math.cs
+++ b/src/TensorFlowNET.Core/APIs/tf.math.cs
@@ -9,6 +9,15 @@ namespace Tensorflow
         public static Tensor abs(Tensor x, string name = null)
             => math_ops.abs(x, name);
 
+        /// <summary>
+        /// Computes acos of x element-wise.
+        /// </summary>
+        /// <param name="x"></param>
+        /// <param name="name"></param>
+        /// <returns></returns>
+        public static Tensor acos(Tensor x, string name = null)
+            => gen_math_ops.acos(x, name);
+
         public static Tensor add(Tensor a, Tensor b) 
             => gen_math_ops.add(a, b);
 
diff --git a/src/TensorFlowNET.Core/Operations/gen_math_ops.cs b/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
index 5a4efd32..e7af8631 100644
--- a/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
+++ b/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
@@ -58,6 +58,13 @@ namespace Tensorflow
             return _op.outputs[0];
         }
 
+        public static Tensor acos(Tensor x, string name = null)
+        {
+            var _op = _op_def_lib._apply_op_helper("Acos", name, args: new { x });
+
+            return _op.outputs[0];
+        }
+
         public static Tensor add(Tensor x, Tensor y, string name = null)
         {
             var _op = _op_def_lib._apply_op_helper("Add", name, args: new { x, y });