dot: handle the rowvector.dot(colvector) case where one needs to transpose.
dot: handle the rowvector.dot(colvector) case where one needs to transpose.

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