From 4f744c2fa91119e818f1d020932f4237872d06ae Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Thu, 14 Apr 2016 16:06:46 -0800
Subject: [PATCH] Upgraded to the latest version of Eigen that adds support for
 computing the sigmoid of fp16 and introduces a condition estimator. Change:
 119907721

---
 eigen.BUILD                                       | 2 +-
 tensorflow/contrib/cmake/external/eigen.cmake     | 4 ++--
 tensorflow/workspace.bzl                          | 4 ++--
 third_party/eigen3/Eigen/Cholesky                 | 2 +-
 third_party/eigen3/Eigen/Core                     | 2 +-
 third_party/eigen3/Eigen/Eigenvalues              | 2 +-
 third_party/eigen3/Eigen/LU                       | 2 +-
 third_party/eigen3/Eigen/QR                       | 2 +-
 third_party/eigen3/unsupported/Eigen/CXX11/Tensor | 2 +-
 9 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/eigen.BUILD b/eigen.BUILD
index b629b4cf94d310..a5ddd77cbb2237 100644
--- a/eigen.BUILD
+++ b/eigen.BUILD
@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-archive_dir = "eigen-eigen-b02950ab8bc3"
+archive_dir = "eigen-eigen-4c94692de3e5"
 
 cc_library(
     name = "eigen",
diff --git a/tensorflow/contrib/cmake/external/eigen.cmake b/tensorflow/contrib/cmake/external/eigen.cmake
index 286451f9a36fea..42ee88e18398a6 100644
--- a/tensorflow/contrib/cmake/external/eigen.cmake
+++ b/tensorflow/contrib/cmake/external/eigen.cmake
@@ -7,7 +7,7 @@
 
 include (ExternalProject)
 
-set(eigen_archive_hash "b02950ab8bc3")
+set(eigen_archive_hash "4c94692de3e5")
 
 set(eigen_INCLUDE_DIRS
     ${CMAKE_CURRENT_BINARY_DIR}
@@ -16,7 +16,7 @@ set(eigen_INCLUDE_DIRS
     ${tensorflow_source_dir}/third_party/eigen3
 )
 set(eigen_URL https://bitbucket.org/eigen/eigen/get/${eigen_archive_hash}.tar.gz)
-set(eigen_HASH SHA256=f9c1c4697aaaa74b59c04ddc7d3baeb0c1433480bde68dcfc55bcbea8ac96040)
+set(eigen_HASH SHA256=381d8bf942e08d3746fe3fc41de977a1ef0b662e7a1df288652a34e2680adc61)
 set(eigen_BUILD ${CMAKE_CURRENT_BINARY_DIR}/eigen/src/eigen)
 set(eigen_INSTALL ${CMAKE_CURRENT_BINARY_DIR}/eigen/install)
 
diff --git a/tensorflow/workspace.bzl b/tensorflow/workspace.bzl
index e48248d4177226..e257fb9721b3c3 100644
--- a/tensorflow/workspace.bzl
+++ b/tensorflow/workspace.bzl
@@ -13,8 +13,8 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
 
   native.new_http_archive(
     name = "eigen_archive",
-  url = "https://bitbucket.org/eigen/eigen/get/b02950ab8bc3.tar.gz",
-  sha256 = "f9c1c4697aaaa74b59c04ddc7d3baeb0c1433480bde68dcfc55bcbea8ac96040",
+    url = "https://bitbucket.org/eigen/eigen/get/4c94692de3e5.tar.gz",
+    sha256 = "381d8bf942e08d3746fe3fc41de977a1ef0b662e7a1df288652a34e2680adc61",
     build_file = path_prefix + "eigen.BUILD",
   )
 
diff --git a/third_party/eigen3/Eigen/Cholesky b/third_party/eigen3/Eigen/Cholesky
index c7cbe5e30ce8c6..b4c3374aa654c6 100644
--- a/third_party/eigen3/Eigen/Cholesky
+++ b/third_party/eigen3/Eigen/Cholesky
@@ -1 +1 @@
-#include "eigen-eigen-b02950ab8bc3/Eigen/Cholesky"
+#include "eigen-eigen-4c94692de3e5/Eigen/Cholesky"
diff --git a/third_party/eigen3/Eigen/Core b/third_party/eigen3/Eigen/Core
index a8cfc45eb67f15..3a949cd963bb0d 100644
--- a/third_party/eigen3/Eigen/Core
+++ b/third_party/eigen3/Eigen/Core
@@ -1 +1 @@
-#include "eigen-eigen-b02950ab8bc3/Eigen/Core"
+#include "eigen-eigen-4c94692de3e5/Eigen/Core"
diff --git a/third_party/eigen3/Eigen/Eigenvalues b/third_party/eigen3/Eigen/Eigenvalues
index 039cafb95b93d5..e2fae3a8afc345 100644
--- a/third_party/eigen3/Eigen/Eigenvalues
+++ b/third_party/eigen3/Eigen/Eigenvalues
@@ -1 +1 @@
-#include "eigen-eigen-b02950ab8bc3/Eigen/Eigenvalues"
+#include "eigen-eigen-4c94692de3e5/Eigen/Eigenvalues"
diff --git a/third_party/eigen3/Eigen/LU b/third_party/eigen3/Eigen/LU
index d7d1c342259a66..87346beb52bcac 100644
--- a/third_party/eigen3/Eigen/LU
+++ b/third_party/eigen3/Eigen/LU
@@ -1 +1 @@
-#include "eigen-eigen-b02950ab8bc3/Eigen/LU"
+#include "eigen-eigen-4c94692de3e5/Eigen/LU"
diff --git a/third_party/eigen3/Eigen/QR b/third_party/eigen3/Eigen/QR
index 223427eec31e6c..bf12ea469bd71c 100644
--- a/third_party/eigen3/Eigen/QR
+++ b/third_party/eigen3/Eigen/QR
@@ -1 +1 @@
-#include "eigen-eigen-b02950ab8bc3/Eigen/QR"
+#include "eigen-eigen-4c94692de3e5/Eigen/QR"
diff --git a/third_party/eigen3/unsupported/Eigen/CXX11/Tensor b/third_party/eigen3/unsupported/Eigen/CXX11/Tensor
index 153fd2f3343e06..29594d65c678f6 100644
--- a/third_party/eigen3/unsupported/Eigen/CXX11/Tensor
+++ b/third_party/eigen3/unsupported/Eigen/CXX11/Tensor
@@ -1 +1 @@
-#include "eigen-eigen-b02950ab8bc3/unsupported/Eigen/CXX11/Tensor"
+#include "eigen-eigen-4c94692de3e5/unsupported/Eigen/CXX11/Tensor"