The code from http://www.christophedavid.org/w/c/w.php/Trails/AstronomicalAlgorithms and the test results.
DouglasAllen/C-CPP-AstroAlorithms
The code from http://www.christophedavid.org/w/c/w.php/Trails/AstronomicalAlgorithms and the test results.
C