text: // Filename: dcNumericRange.h
  // Created by:  drose (21Jun04)
  //
  ////////////////////////////////////////////////////////////////////
  //
  // PANDA 3D SOFTWARE
  // Copyright (c) Carnegie Mellon University.  All rights reserved.
  //
  // All use of this software is subject to the terms of the revised BSD
  // license.  You should have received a copy of this license along
  // with this source code in a file named "LICENSE."
  //
  ////////////////////////////////////////////////////////////////////
  
  #ifndef DCNUMERICRANGE_H
  #define DCNUMERICRANGE_H
  
  #include "dcbase.h"
  #include "hashGenerator.h"
  #include "dcPacker.h"
  
  ////////////////////////////////////////////////////////////////////
  //       Class : DCNumericRange
  // Description : Represents a range of legal integer or floating-point
  //               values.  This is used to constrain simple numeric
  //               types, as well as array sizes.
  ////////////////////////////////////////////////////////////////////
  template <class NUM>
  class DCNumericRange {
  public:
    typedef NUM Number;
  
    INLINE DCNumericRange();
    INLINE DCNumericRange(Number min, Number max);
    INLINE DCNumericRange(const DCNumericRange &copy);
    INLINE void operator = (const DCNumericRange &copy);
  
    bool is_in_range(Number num) const;
    INLINE void validate(Number num, bool &range_error) const;
  
    INLINE bool has_one_value() const;
    INLINE Number get_one_value() const;
  
    void generate_hash(HashGenerator &hashgen) const;
  
    void output(ostream &out, Number divisor = 1) const;
    void output_char(ostream &out, Number divisor = 1) const;
  
  public:
    INLINE void clear();
    bool add_range(Number min, Number max);
  
    INLINE bool is_empty() const;
    INLINE int get_num_ranges() const;
    INLINE Number get_min(int n) const;
    INLINE Number get_max(int n) const;
  
  private:
    class MinMax {
    public:
      INLINE bool operator < (const MinMax &other) const;
  
      Number _min;
      Number _max;
    };
    INLINE void output_minmax(ostream &out, Number divisor, const MinMax &range) const;
    INLINE void output_minmax_char(ostream &out, const MinMax &range) const;
  
    typedef pvector<MinMax> Ranges;
    Ranges _ranges;
  };
  
  #include "dcNumericRange.I"
  
  typedef DCNumericRange<int> DCIntRange;
  typedef DCNumericRange<unsigned int> DCUnsignedIntRange;
  typedef DCNumericRange<PN_int64> DCInt64Range;
  typedef DCNumericRange<PN_uint64> DCUnsignedInt64Range;
  typedef DCNumericRange<double> DCDoubleRange;
  
  #endif
  