GR: a ray tracing code for simulating light rays around a black hole.

To Compile:

• Make sure you have gsl and hdf5 libraries.

• Define where those libraries and header files are: INC=”” LIB=””

• run this to compile:

g++ -fopenmp -I$INC -O0 -g3 -Wall -c -o *cpp g++ -fopenmp -I$INC -O0 -g3 -Wall -c *cpp

• link:

g++ -fopenmp -L$LIB -o gr *o -lgsl -lgslcblas -lhdf5 -lhdf5_cpp

Run the code for help