To compile:
***********

cd /path-to-gudhi/
cmake .
cd /path-to-test/
make

To launch with details:
***********************

SINGLE FIELD
------------
./Persistent_cohomology_test_unit --report_level=detailed --log_level=all

   ==> echo $? returns 0 in case of success (non-zero otherwise)

MULTI FIELD
-----------
./Persistent_cohomology_test_unit_multi_field --report_level=detailed --log_level=all

   ==> echo $? returns 0 in case of success (non-zero otherwise)

BETTI NUMBERS
-------------
./Persistent_cohomology_test_betti_numbers --report_level=detailed --log_level=all

   ==> echo $? returns 0 in case of success (non-zero otherwise)