From 5aaedbecedb6702c5102e13a54d5908b8964174b Mon Sep 17 00:00:00 2001
From: Christoph Hertzberg <chtz@informatik.uni-bremen.de>
Date: Fri, 24 Aug 2018 23:54:12 +0200
Subject: [PATCH] Fixed more sign-compare and type-limits warnings

---
 unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h | 2 +-
 unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h b/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
index 2ca91709f..4b24e5fc1 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
@@ -347,7 +347,7 @@ struct TensorContractionEvaluatorBase
     // dimensions and right non-contracting dimensions.
     m_lhs_inner_dim_contiguous = true;
     int dim_idx = 0;
-    unsigned int nocontract_idx = 0;
+    Index nocontract_idx = 0;
 
     for (int i = 0; i < LDims; i++) {
       // find if we are contracting on index i of left tensor
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h b/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h
index 9a6431f29..4dd2e7c86 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorMorphing.h
@@ -336,7 +336,7 @@ struct TensorEvaluator<const TensorSlicingOp<StartIndices, Sizes, ArgType>, Devi
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorEvaluator(const XprType& op, const Device& device)
       : m_impl(op.expression(), device), m_device(device), m_dimensions(op.sizes()), m_offsets(op.startIndices())
   {
-    for (std::size_t i = 0; i < internal::array_size<Dimensions>::value; ++i) {
+    for (Index i = 0; i < internal::array_size<Dimensions>::value; ++i) {
       eigen_assert(m_impl.dimensions()[i] >= op.sizes()[i] + op.startIndices()[i]);
     }
 
@@ -739,7 +739,7 @@ struct TensorEvaluator<const TensorStridingSlicingOp<StartIndices, StopIndices,
   {
     // Handle degenerate intervals by gracefully clamping and allowing m_dimensions to be zero
     DSizes<Index,NumDims> startIndicesClamped, stopIndicesClamped;
-    for (size_t i = 0; i < internal::array_size<Dimensions>::value; ++i) {
+    for (Index i = 0; i < internal::array_size<Dimensions>::value; ++i) {
       eigen_assert(m_strides[i] != 0 && "0 stride is invalid");
       if(m_strides[i]>0){
         startIndicesClamped[i] = clamp(op.startIndices()[i], 0, m_impl.dimensions()[i]);