Added compute_distance2inner and compute_distance2outer wrappers
Added tests for distance2outer
Added tests for compute_distance2inner
Added asv benchmarks for distance2outer and distance2inner
Reimplement compute_distance2outer and compute_distance2inner in C
Make sure functions are inlined
Added doxygen comments to compute_distance2outer and compute_distance2inner
Ported line_search to C
Remove a misleading comment from binary_search
Started porting StorageModel to C
Don't inline binary_search and line_search
Added parameter descriptions to the compute_distance2outer and compute_distance2inner
Added a wrapper for compute_distance2line
Added a wrapper for compute_distance2electron
Ported compute_distance2line to C
Instead of raising an exception abort compute_distance2line
Ported compute_distance2electron to C
Added tests for distance2line
Added a test for distance2electron
Replace compute_distance2line and compute_distance2electron with their C counterparts