Dbl.cpp

/*
* Util Package - C++ Utilities for Scientific Computation
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/

#include "Dbl.h"
#include "Format.h"

#include <iostream>

namespace Util
{

   // Default constructor.
   Dbl::Dbl()
    : value_(0.0),
      width_(Format::defaultWidth()),
      precision_(Format::defaultPrecision()),
      isFixed_(false)
   {}

   // Constructor, value only.
   Dbl::Dbl(double value)
    : value_(value),
      width_(Format::defaultWidth()),
      precision_(Format::defaultPrecision()),
      isFixed_(false)
   {}

   // Constructor, value and width.
   Dbl::Dbl(double value, int width)
    : value_(value),
      width_(width),
      precision_(Format::defaultPrecision()),
      isFixed_(false)
   {}

   // Constructor: value, width, and precision.
   Dbl::Dbl(double value, int width, int precision, bool isFixed)
    : value_(value),
      width_(width),
      precision_(precision),
      isFixed_(isFixed)
   {}

   void Dbl::setValue(double value)
   {  value_ = value; }

   void Dbl::setWidth(int width)
   { width_ = width; }

   void Dbl::setPrecision(int precision)
   { precision_ = precision; }

   double Dbl::value()
   { return value_; }

   int Dbl::width()
   { return width_; }

   int Dbl::precision()
   { return precision_; }
     
   std::istream& operator>>(std::istream& in, Dbl &object)
   {
      in >> object.value_;
      return in;
   }

   std::ostream& operator<<(std::ostream& out, const Dbl &object)
   {
      if (object.isFixed_) {
         out.setf(std::ios::fixed, std::ios::floatfield);
      } else {
         out.setf(std::ios::scientific, std::ios::floatfield);
      }
      out.width(object.width_);
      out.precision(object.precision_);
      out << object.value_;
      return out;
   }

}