MPQC 2.3.1

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units.h

    00001 //
    00002 // units.h
    00003 //
    00004 // Copyright (C) 1997 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Curtis Janssen <cljanss@limitpt.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifdef __GNUG__
    00029 #pragma interface
    00030 #endif
    00031
    00032 #ifndef _util_misc_units_h
    00033 #define _util_misc_units_h
    00034
    00035 #include <util/class/class.h>
    00036 #include <util/state/state.h>
    00037 #include <util/ref/ref.h>
    00038
    00039 namespace sc {
    00040
    00042 class Units: public SavableState {
    00043   protected:
    00044     char *strrep_;
    00045     double to_atomic_units_;
    00046
    00047     void parse_unit();
    00048   public:
    00049     enum Storage { Steal, Copy };
    00050
    00052     Units(const char *strrep);
    00057     Units(char *strrep, Units::Storage = Units::Copy);
    00059     Units(StateIn& s);
    00060     ~Units();
    00061
    00063     double to(const Ref<Units> &u) const;
    00065     double from(const Ref<Units> &u) const;
    00066
    00068     double to_atomic_units() const;
    00070     double from_atomic_units() const;
    00071
    00073     const char *string_rep() const;
    00074
    00076     void save_data_state(StateOut&s);
    00077 };
    00078
    00079 }
    00080
    00081 #endif
    00082
    00083 // Local Variables:
    00084 // mode: c++
    00085 // c-file-style: "CLJ"
    00086 // End: