SOFA Library Issue 2020-07-21 for ANSI C

This is the master page for the SOFA Library Issue 2020-07-21 for ANSI C. From here you can find your way to all the resources comprising this Issue, including notes and source download pages.

  Summary

Issue 2020-07-21 is the sixteenth release of the SOFA Library for ANSI C.

  Downloads

The complete SOFA Library source set is available in a single download bundle for Unix (including macOS) or Windows systems. This is the preferred method of obtaining the SOFA Library. The ANSI C SOFA Library Issue 2020-07-21 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.

• gzipped (.gz) tarball. (1964408 bytes)
• compressed (.Z) tarball. (3046615 bytes)
• A zip file: long name, short name. (2505425 bytes)

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

|
---- sofa
       |
       ---- 20200721 (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)

  Documentation

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.

PLEASE NOTE: Any updates, improvements or corrections to the documentation for this release will be posted here.

• Complete manual [pdf (468983 bytes), ASCII].

Sections (in order):

• Title page [pdf (1290 bytes), ASCII].
• Introduction [pdf (6934 bytes), ASCII].
• Vector/Matrix library [pdf (6963 bytes), ASCII].
• Astronomy Library [pdf (14775 bytes), ASCII].
• Routine descriptions (Complete manual only).
• Copyright notice [pdf (3821 bytes), ASCII].
• Constants [pdf (1637 bytes), ASCII].
• Review Board [pdf (1760 bytes), ASCII].

• Changes [pdf (3051 bytes), ASCII] since the previous release.

  Cookbooks

• SOFA Tools for Earth Attitude (555519 bytes)
• SOFA Time Scale and Calendar Tools (150340 bytes)
• SOFA Astrometry Tools (302023 bytes) and SOFA Astrometry Tools at a Glance (63625 bytes)

  Source

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

• The SOFA Astronomy Library - A library of subroutines and functions implementing astronomical algorithms.
• The SOFA Vector/Matrix Library - A library of subroutines and functions that supports the Astronomy Library.
• SOFA Header Files - Header Files for SOFA routines and functions.
• SOFA Validation Routines - Source code for validating SOFA routines and functions.