WIN32 isn't defined ?? but _WIN32 is.
WIN32 isn't defined ?? but _WIN32 is.

ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,TSC21/Eigen,pasuka/eigen,Zefz/eigen,Zefz/eigen,toastedcrumpets/eigen,Zefz/eigen,ritsu1228/eigen,ritsu1228/eigen,toastedcrumpets/eigen,ritsu1228/eigen,TSC21/Eigen,TSC21/Eigen,pasuka/eigen,Zefz/eigen,pasuka/eigen,toastedcrumpets/eigen,toastedcrumpets/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,TSC21/Eigen