The if-else cases in lsqr.py were not exhaustive. They become exhaustive by changing ab > aa to ab >= aa.
set (targets
rips
rips-pairwise
rips-weighted
rips-image-zigzag
rips-zigzag)
foreach (t ${targets})
add_executable (${t} ${t}.cpp)
target_link_libraries (${t} ${libraries} ${Boost_PROGRAM_OPTIONS_LIBRARY} ${Boost_SERIALIZATION_LIBRARY})
endforeach (t ${targets})
add_custom_target (rips.py ALL
${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/rips.py ${CMAKE_CURRENT_BINARY_DIR}/rips.py)
add_custom_target (rips-pairwise.py ALL
${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/rips-pairwise.py ${CMAKE_CURRENT_BINARY_DIR}/rips-pairwise.py)