| Directory | File Name | Description |
| ./pkg/smooth/ | SMOOTH.h | |
| ./pkg/smooth/ | SMOOTH_OPTIONS.h | |
| ./pkg/smooth/ | smooth2d.F | |
| ./pkg/smooth/ | smooth3d.F | |
| ./pkg/smooth/ | smooth_basic2d.F | |
| ./pkg/smooth/ | smooth_correl2d.F | |
| ./pkg/smooth/ | smooth_correl2dw.F | |
| ./pkg/smooth/ | smooth_correl3d.F | |
| ./pkg/smooth/ | smooth_diff2d.F | |
| ./pkg/smooth/ | smooth_diff3d.F | |
| ./pkg/smooth/ | smooth_filtervar2d.F | |
| ./pkg/smooth/ | smooth_filtervar3d.F | |
| ./pkg/smooth/ | smooth_hetero2d.F | |
| ./pkg/smooth/ | smooth_impldiff.F | |
| ./pkg/smooth/ | smooth_init2d.F | |
| ./pkg/smooth/ | smooth_init3d.F | |
| ./pkg/smooth/ | smooth_init_fixed.F | |
| ./pkg/smooth/ | smooth_init_varia.F | |
| ./pkg/smooth/ | smooth_readparms.F | |
| ./pkg/smooth/ | smooth_rhs.F |