| first_col(nat r, nat cs) | diagonal_matrix |  [inline, static] | 
| first_row(nat c, nat rs) | diagonal_matrix |  [inline, static] | 
| last_col(nat r, nat cs) | diagonal_matrix |  [inline, static] | 
| last_row(nat c, nat rs) | diagonal_matrix |  [inline, static] | 
| ll typedef | diagonal_matrix | |
| lr typedef | diagonal_matrix | |
| ul typedef | diagonal_matrix | |
| ur typedef | diagonal_matrix | 
 1.6.1
 1.6.1