Skip to main content
  • Home
  • Development
  • Documentation
  • Donate
  • Operational login
  • Browse the archive

swh logo
SoftwareHeritage
Software
Heritage
Archive
Features
  • Search

  • Downloads

  • Save code now

  • Add forge now

  • Help

Raw File Download

To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used.
Select below a type of object currently browsed in order to display its associated SWHID and permalink.

  • content
content badge
swh:1:cnt:b502d49a22645de83e3cf1fc65f697f3a348c647

This interface enables to generate software citations, provided that the root directory of browsed objects contains a citation.cff or codemeta.json file.
Select below a type of object currently browsed in order to generate citations for them.

  • content
(requires biblatex-software package)
Generating citation ...
C99=c99 # C99 compiler

edges: edges.c io_png.* classic_edge_detectors.*
	${C99} -o edges edges.c io_png.c classic_edge_detectors.c -lpng -lm

test: edges
	./edges -r 0.1 -p 0.1 -s 0.1 -m 3 25 0.07 -l 3 29 0.13 -h 0.4 molino.png
	diff out_roberts.png expected_results/molino_roberts_0.1.png
	diff out_prewitt.png expected_results/molino_prewitt_0.1.png
	diff out_sobel.png expected_results/molino_sobel_0.1.png
	diff out_mh.png expected_results/molino_mh_3_25_0.07.png
	diff out_mhl.png expected_results/molino_mhl_3_29_0.13.png
	diff out_haralick.png expected_results/molino_haralick_0.4.png

clean:
	rm -f edges
	rm -f out_*.png

back to top

Software Heritage — Copyright (C) 2015–2026, The Software Heritage developers. License: GNU AGPLv3+.
The source code of Software Heritage itself is available on our development forge.
The source code files archived by Software Heritage are available under their own copyright and licenses.
Terms of use: Archive access, API— Content policy— Contact— JavaScript license information— Web API