Class versionNumber

src/OpenFOAM/db/IOstreams/IOstreams/IOstream.H:97–190

        //- Version number type
        class versionNumber
        {
            //- The version number
            scalar versionNumber_;

            //- The version number as an integer
            int index_;


        public:

            // Constructors

                //- Construct from number
                versionNumber(const scalar num)
                :
                    versionNumber_(num),
                    index_(numberToIndex(num))
                {}

                //- Construct from Istream
                versionNumber(Istream& is)
                :
                    versionNumber_(readScalar(is)),
                    index_(numberToIndex(versionNumber_))
                {}


            // Member functions

                //- Convert a version number into an index
                int numberToIndex(const scalar num) const
                {
                    return int(10*num + SMALL);
                }

                //- Return major version
                int majorVersion() const
                {
                    return int(versionNumber_);
                }

                //- Return minor version
                int minorVersion() const
                {
                    return int(10.0*(versionNumber_ - majorVersion()));
                }

                //- Return the versionNumber as a character string
                string str() const;


            // Member operators

                //- Are these versionNumbers the same?
                bool operator==(const versionNumber& vn)
                {
                    return index_ == vn.index_;