From 05e74b1a40b00c4ff2ba3f3eda0f6056001b0dc0 Mon Sep 17 00:00:00 2001
From: anonymouspc <shyeyian@petalmail.com>
Date: Mon, 25 Aug 2025 18:26:46 +0800
Subject: [PATCH] Tiny fix in
 `unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h`

---
 unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h b/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
index 283ea6db5..97e7da3bd 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorContraction.h
@@ -700,8 +700,8 @@ struct TensorContractionEvaluatorBase {
     typedef std::remove_const_t<typename EvalRightArgType::Scalar> RhsScalar;
     typedef TensorEvaluator<EvalLeftArgType, Device> LeftEvaluator;
     typedef TensorEvaluator<EvalRightArgType, Device> RightEvaluator;
-    const Index lhs_packet_size = internal::unpacket_traits<typename LeftEvaluator::PacketReturnType>::size;
-    const Index rhs_packet_size = internal::unpacket_traits<typename RightEvaluator::PacketReturnType>::size;
+    const int lhs_packet_size = internal::unpacket_traits<typename LeftEvaluator::PacketReturnType>::size;
+    const int rhs_packet_size = internal::unpacket_traits<typename RightEvaluator::PacketReturnType>::size;
     const int lhs_alignment = LeftEvaluator::IsAligned ? Aligned : Unaligned;
     const int rhs_alignment = RightEvaluator::IsAligned ? Aligned : Unaligned;
     typedef internal::TensorContractionInputMapper<LhsScalar, Index, internal::Lhs, LeftEvaluator, left_nocontract_t,
@@ -770,8 +770,8 @@ struct TensorContractionEvaluatorBase {
     typedef TensorEvaluator<EvalLeftArgType, Device> LeftEvaluator;
     typedef TensorEvaluator<EvalRightArgType, Device> RightEvaluator;
 
-    const Index lhs_packet_size = internal::unpacket_traits<typename LeftEvaluator::PacketReturnType>::size;
-    const Index rhs_packet_size = internal::unpacket_traits<typename RightEvaluator::PacketReturnType>::size;
+    const int lhs_packet_size = internal::unpacket_traits<typename LeftEvaluator::PacketReturnType>::size;
+    const int rhs_packet_size = internal::unpacket_traits<typename RightEvaluator::PacketReturnType>::size;
 
     typedef internal::TensorContractionInputMapper<LhsScalar, Index, internal::Lhs, LeftEvaluator, left_nocontract_t,
                                                    contract_t, lhs_packet_size, lhs_inner_dim_contiguous, false,