Using Kernel::Index type instead of int to prevent possible implicit conversion from long to int.
Using Kernel::Index type instead of int to prevent possible implicit conversion from long to int.

--HG--
extra : transplant_source : %1E%D6%1AQ%17%C9%81%B9q%E6s%B2%3F%FB%83T%90/%E5%C3

mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup,rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen,rotorliu/eigen,madlib/eigen_backup,madlib/eigen_backup,rotorliu/eigen,mjbshaw/Eigen,mjbshaw/Eigen