Bumping the thread. Does anyone know anything about this? BR, Blazej
On Fri, Nov 6, 2020 at 11:10 AM Blazej Slusarek <[email protected]> wrote: > Hello! > > I recently stumbled upon this link: > https://eigen.tuxfamily.org/dox/group__TopicPassingByValue.html > which (in short) says that passing Eigen objects by value is wrong. I'd > like to get more info on that: > * When is this wrong? Is the object aligned when I create it but not when > I make a copy of it on stack to pass it to a function? Could someone > provide an example explaining what goes wrong? > * How is this avoided in case of returning by value? > * Does this affect custom-defined types of like Eigen::Matrix<2, -1, 0, 2, > 3> (or Eigen::Matrix<2, 3, 0, 2, 3>) ? > > Best regards, > Blazej >
