adapt AutoDiff to scalar_product_traits
adapt AutoDiff to scalar_product_traits

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