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  SOFA Library Issue 2012-03-01 for ANSI C

This is the master page for the SOFA Library Issue 2012-03-01 for ANSI C. From here you can find your way to all the resources comprising this Issue, including notes and source download pages.


Issue 2012-03-01 is the ninth release of the SOFA Library for ANSI C.


The complete SOFA Library source set is available in a single download bundle for Unix, Macintosh or Windows systems. This is the preferred method of obtaining the SOFA Library. The ANSI C SOFA Library Issue 2012-03-01 is available to download in various formats.

Please note: Tarballs contain files with Unix line-terminations and Zip archives contain files with DOS line-terminations. Please download the appropriate file for your operating system.

Structure created by unpacking the ANSI C release tar / zip files:

---- sofa
       ---- 20120301 (issue date) ---- ... any other (sub-)releases ---- ...
                |                                   |
                ---- c (00READ.ME)                  ---- c (00READ.ME)  
                     |                                   |
                     ---- doc (*.lis, *.pdf)             ---- doc (*.lis, *.pdf)
                     |                                   |
                     ---- src (*.c, *.h, makefile)       ---- src (*.c, *.h, makefile)


The SOFA product documentation is available in Adobe Portable Document Format (pdf) or plain ASCII text files to guarantee platform independence.The manual may be downloaded as a single file or in sections if you prefer.

  • Complete manual [pdf (304394 bytes), ASCII].
Sections (in order):
  • Title page [pdf (1382 bytes), ASCII].
  • Introduction [pdf (6936 bytes), ASCII].
  • Vector/Matrix library [pdf (7038 bytes), ASCII].
  • Astronomy Library [pdf (10823 bytes), ASCII].
  • Routine descriptions (Complete manual only).
  • Copyright notice [pdf (3657 bytes), ASCII].
  • Constants [pdf (1704 bytes), ASCII].
  • Review Board [pdf (1721 bytes), ASCII].
  • Changes [pdf (3068 bytes), ASCII] since the previous release.



The source for the SOFA Library may be viewed from the complete list index. In addition the routines are indexed by section and subsection:
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Last modified: 2017 April 23
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