Fixed bug 647 by using smart_copy instead of bitwise memcpy.
Fixed bug 647 by using smart_copy instead of bitwise memcpy.

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