aaa objectsArithmetic methods for objects of class aaa.
signature(e1 = "aaa", e2 = "aaa")Dispatches to aaa_arith_aaa()
signature(e1 = "aaa", e2 = "numeric")Dispatches to aaa_arith_numeric()
signature(e1 = "numeric", e2 = "aaa")Dispatches to numeric_arith_aaa()
The S4 methods call lower-level functions
aaa_plus_aaa(), aaa_prod_aaa(), aaa_prod_numeric(),
aaa_negative(), and aaa_plus_numeric().
These functions call the Rcpp functions
aaa_identity(), c_aaa_add(), and c_aaa_prod().