| gam | Main namespace |
| gam::arr | Array rank functions for numerical types |
| gam::gen | Generator function objects |
| gam::ipl | Interpolation functions |
| gam::iplSeq | Sequence (stream-based) interpolation strategies |
| gam::mem | Memory functions |
| gam::rnd | Random number functions |
| gam::scl | Scalar rank functions for numerical types |
| gam::tap | Read tap strategies |
| gam::tbl | Table functions |