[GRASS-git] [OSGeo/grass-addons] 5bc288: r.lfp: Add a new longest flow path addon (#1443)

[Huidae Cho]

  Branch: refs/heads/grass8
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 5bc288b3e84e7cc4f51815613e156b470ba5dc40
      https://github.com/OSGeo/grass-addons/commit/5bc288b3e84e7cc4f51815613e156b470ba5dc40
  Author: Huidae Cho <grass4u at gmail.com>
  Date:   2025-07-25 (Fri, 25 Jul 2025)

  Changed paths:
    A src/raster/r.lfp/Makefile
    A src/raster/r.lfp/direction.c
    A src/raster/r.lfp/gettimeofday.c
    A src/raster/r.lfp/global.h
    A src/raster/r.lfp/lfp_funcs.h
    A src/raster/r.lfp/main.c
    A src/raster/r.lfp/outlet_list.c
    A src/raster/r.lfp/outlets.c
    A src/raster/r.lfp/point_list.c
    A src/raster/r.lfp/r.lfp.html
    A src/raster/r.lfp/r.lfp.md
    A src/raster/r.lfp/r_lfp_custom_formats.png
    A src/raster/r.lfp/r_lfp_elev_state_500m_example.png
    A src/raster/r.lfp/r_lfp_elevation_example.png
    A src/raster/r.lfp/r_lfp_formats.png
    A src/raster/r.lfp/timeval_diff.c
    A src/raster/r.lfp/write.c

  Log Message:
  -----------
  r.lfp: Add a new longest flow path addon (#1443)

* r.lfp: Add a new longest flow path addon

* Correct outlets to dcells

* Add the link to MELFP

* Fix the type of tss option

* Merge lfp_lessmem.c to main.c

* Merge lfp_lessmem.c to main.c

* Split long labels into descriptions

* Shorten option names (for Python API?)

* Move floating point out of abs()

* Suppress a clang -Wsometimes-uninitialized; pop_up() is called only if n > 1 anyway

* Remove unused parameters

* Remove unused parameters

* Suppress gcc -Wmaybe-uninitialized when used with -O3

* Reorder links in SEE ALSO

* Removed unsed macros

* Add flow direction formats in the manual

* Correct the explanation for the example

* Add more details about the algorithm in the manual

* Add more details about the algorithm in the manual

* Mention the parallel computing technology

* Syntax in the manual

* Add an NC statewide example

* Rename input option to direction because there are more than one input map



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