Added executable to compute Wasserstein distance.
Powering to 1/q is done in output. Maybe, should be changed in the
function itself?
set (libraries ${libraries}
${Boost_PROGRAM_OPTIONS_LIBRARY})
# Build compare-diagrams
add_executable (bottleneck bottleneck.cpp)
target_link_libraries (bottleneck ${libraries})
add_executable (wasserstein wasserstein.cpp)
target_link_libraries (wasserstein ${libraries})