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UnrealEngine/Engine/Source/ThirdParty/Eigen/README.txt
2025-05-18 13:04:45 +08:00

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Macros.h.patch shows a local change which was made to file: Engine\Source\ThirdParty\Eigen\Eigen\src\Core\util\Macros.h to fix a compiler warning for PS4
Changes to the library are demarcated with the following comment format:
//@UE BEGIN Comment
//@UE END Comment
Memory allocations have been modified to use the engine memory allocator in the following files:
Engine\Source\ThirdParty\Eigen\Eigen\src\Core\util\Memory.h
Engine\Source\ThirdParty\Eigen\Eigen\src\SparseCore\SparseMatrix.h
Using the macros EIGEN_STD_MALLOC, EIGEN_STD_REALLOC and EIGEN_STD_FREE.
Memory allocations have NOT been modified in:
Engine\Source\ThirdParty\Eigen\Eigen\src\SPQRSupport\SuiteSparseQRSupport.h
To maintain matching allocators with the Suite library if it is ever used.