Update README.md

Author: zfergus

CMakeLists.txt

@@ -141,12 +141,6 @@ if(SCALABLE_CCD_WITH_PROFILER)
   target_link_libraries(scalable_ccd PRIVATE nlohmann_json::nlohmann_json)
 endif()
 
-# if(SCALABLE_CCD_TOI_PER_QUERY)
-#   # rational-cpp (requires GMP)
-#   include(rational_cpp)
-#   target_link_libraries(scalable_ccd PRIVATE rational::rational)
-# endif()
-
 # Extra warnings (link last for highest priority)
 include(scalable_ccd_warnings)
 target_link_libraries(scalable_ccd PRIVATE scalable_ccd::warnings)

README.md

@@ -53,20 +53,15 @@ The following libraries are used in this project:
 
 ##### Optional
 
+* [CUDA](https://developer.nvidia.com/cuda-toolkit): GPU acceleration
+	* Required when using the CMake option `SCALABLE_CCD_WITH_CUDA`
 * [nlohmann/json](https://github.com/nlohmann/json): saving profiler data
-    * Enable by using the CMake option `SCALABLE_CCD_WITH_PROFILER`
-* [rational-cpp](https://github.io/zfergus/rational-cpp): rational arithmetic used for exact intersection checks
-    * Enable by using the CMake option `SCALABLE_CCD_TOI_PER_QUERY`
-    * Requires [GMP](https://gmplib.org/) to be installed at a system level
+    * Required when using the CMake option `SCALABLE_CCD_WITH_PROFILER`
 
 ## Usage
 
 :hammer_and_wrench: **ToDo**: Write usage instructions.
 
-## Contributing
-
-Please read CONTRIBUTING.md for details on our code of conduct, and the process for submitting pull requests to us.
-
 ## Citation
 
 If you use this code in your project, please consider citing our paper: