sine_integral_test, a C code which calls sine_integral(), which evaluates the Cosine Integral and the Sine Integral, by Shanjie Zhang, Jianming Jin;
The Fortran77 source code of this library is copyrighted by Shanjie Zhang and Jianming Jin. However, they give permission to incorporate routines from this library into a user program provided that the copyright is acknowledged.
sine_integral, a C code which evaluates the Cosine Integral and the Sine Integral, by Shanjie Zhang, Jianming Jin;