typedef int PK_boolean_report_t; PK_boolean_report_t has the following values: PK_boolean_report_failure_c general failure PK_boolean_report_opposed_sheets_c attempt to unite opposed sheets PK_boolean_report_solid_has_void_c solid has illegal void PK_boolean_report_partial_coi_c failure due to partial coincidence PK_boolean_report_t_sheet_c operation would result in T-sheet PK_boolean_report_non_manifold_c operation would result in non-manifold body PK_boolean_report_invalid_match_c invalid matched region specified PK_boolean_report_imprint_fail_c face imprinting operation failed PK_boolean_report_intersect_fail_c face clashing operation failed PK_boolean_report_invalid_face_c invalid face detected