fix MSVC stupid warnings
fix MSVC stupid warnings

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