TORCH 

 This is a GRB afterglow dynamics and radiation package.
 
 FEATURE:
 - read/calculate dynamics
 - energy conserved GRB afterglow dynamics
 - magnetized ejecta
 - synchrotron radiation, self-absorption
 - inverse compton scattering
 
 UPDATE DATE: 01 Aug 2020

 DEPEDENCY:
 GSL v2.7.1, FGSL v1.5.0 (1/5/2022)
 
 UNDER DEVELOPMENT:
 - 

 AUTHORS:
  - Prof. Xuewen Liu liuxuew@scu.edu.cn 
  - Mr.   Qiang Chen chen@camk.edu.pl
                     qchen@gmail.com

 REMEMBER:
 - external library FGSL is needed. 

 USAGE: 
 - Settings: set initial parameters in mod_input.f90
 - Compile : execute ./run.sh to compile with Makefile

 CITATION OF THIS CODE: 
 Q. Chen & X.W. Liu, MNRAS, Volume 504, 2021, https://doi.org/10.1093/mnras/stab946