| c09aac | nag_wfilt One-dimensional wavelet filter initialization |
| c09abc | nag_wfilt_2d Two-dimensional wavelet filter initialization |
| c09bac | nag_cwt_1d_real One-dimensional real continuous wavelet transform |
| c09cac | nag_dwt One-dimensional discrete wavelet transform |
| c09cbc | nag_idwt One-dimensional inverse discrete wavelet transform |
| c09ccc | nag_mldwt One-dimensional multi-level discrete wavelet transform |
| c09cdc | nag_imldwt One-dimensional inverse multi-level discrete wavelet transform |
| c09eac | nag_dwt_2d Two-dimensional discrete wavelet transform |
| c09ebc | nag_idwt_2d Two-dimensional inverse discrete wavelet transform |
| c09ecc | nag_mldwt_2d Two-dimensional multi-level discrete wavelet transform |
| c09edc | nag_imldwt_2d Two-dimensional inverse multi-level discrete wavelet transform |
| J1: | Trigonometric transforms including fast Fourier transforms | (19 routines) |
| J2: | Convolutions | (1 routine) |
| J3: | Laplace transforms | (0 routines) |
| J4: | Hilbert transforms | (1 routine) |