Add extra `pyopencl` to README.rst/setup.py

README.md

@@ -52,6 +52,7 @@ Without `[interactive]` you get a minimal version with very little dependencies.
 
 All options:
 -  `gpu`: use this if an Nvidia GPU is available and CUDA is installed
+-  `pyopencl`: basic OpenCL support (experimental)
 - `alltrafos`: pulls in additional dependencies for loop simplification e.g. libisl
 - `bench_db`: functionality to store benchmark result in object databases
 - `interactive`: installs dependencies to work in Jupyter including image I/O, plotting etc.

setup.py

@@ -106,6 +106,7 @@ setup(name='pystencils',
       },
       extras_require={
           'gpu': ['pycuda'],
+          'opencl': ['pyopencl'],
           'alltrafos': ['islpy', 'py-cpuinfo'],
           'bench_db': ['blitzdb', 'pymongo', 'pandas'],
           'interactive': ['matplotlib', 'ipy_table', 'imageio', 'jupyter', 'pyevtk'],