[io] for FCtrace, use the SPARSE BLOCKL format
@@ -2926,7 +2926,7 @@ class MechanicsHdf5Runner(siconos.io.mechanics_hdf5.MechanicsHdf5):
else:
osnspb = FCTrace(3, solver_options, friction_contact_trace_params, nsds)
osnspb.setMaxSize(osnspb_max_size)
- osnspb.setMStorageType(sn.NM_DENSE)
+ osnspb.setMStorageType(sn.NM_SPARSE_BLOCK)
numerics_verbose=run_options.get('numerics_verbose')
osnspb.setNumericsVerboseMode(numerics_verbose)
