509 	isl_aff *nonneg;  member
697 	if (!data->nonneg)  in mod_constraint_is_simpler()
701 	v2 = isl_val_abs(isl_aff_get_constant_val(data->nonneg));  in mod_constraint_is_simpler()
788 		isl_aff_free(data->nonneg);  in check_parallel_or_opposite()
789 		data->nonneg = isl_constraint_get_aff(c);  in check_parallel_or_opposite()
795 	if (data->sign != 0 && data->nonneg == NULL)  in check_parallel_or_opposite()
900 	data->nonneg = NULL;  in try_extract_mod()
906 		isl_aff_free(data->nonneg);  in try_extract_mod()
913 	v2 = isl_aff_get_constant_val(data->nonneg);  in try_extract_mod()
928 	data->nonneg = isl_aff_set_constant_val(data->nonneg, v1);  in try_extract_mod()
937 				    isl_aff_copy(data->div), data->nonneg);  in try_extract_mod()