call readi(controlcard,'CONSTR_HOMOL',constr_homology,0)
write (iout,*) "with_homology_constr ",with_dihed_constr,
& " CONSTR_HOMOLOGY",constr_homology
call readi(controlcard,'CONSTR_HOMOL',constr_homology,0)
write (iout,*) "with_homology_constr ",with_dihed_constr,
& " CONSTR_HOMOLOGY",constr_homology