- check-flonum LOC OBJ #!optional ARGNAMprocedure
- check-float LOC OBJ #!optional ARGNAMprocedure
- check-positive-flonum LOC OBJ #!optional ARGNAMprocedure
- check-non-negative-flonum LOC OBJ #!optional ARGNAMprocedure
- check-negative-flonum LOC OBJ #!optional ARGNAMprocedure
- check-non-positive-flonum LOC OBJ #!optional ARGNAMprocedure