F-floating-point-base OpenVMS usage:floating_point type: F_floating access: read only mechanism: by value Base. The F-floating-point-base argument is an F-floating number containing the base. F-floating-point-exponent OpenVMS usage:floating_point type: F_floating access: read only mechanism: by value Exponent. The F-floating-point-exponent argument is an F-floating number that contains the exponent.