comparison view/View.h @ 904:e0f08e108064 cxx11

Move to using double rather than float for floating-point calculations (float only for storage); more build fixes

      * not imply any policy about layer frequency ranges, but it might
      * be useful for layers to match theirs up if desired.
      *
      * Not thread-safe in logarithmic mode.  Call only from GUI thread.
      */
-    float getYForFrequency(float frequency, float minFreq, float maxFreq, 
+    double getYForFrequency(double frequency, double minFreq, double maxFreq, 
 			   bool logarithmic) const;
 
     /**
      * Return the closest frequency to the given pixel y-coordinate,
      * if the frequency range is as specified.
      *
      * Not thread-safe in logarithmic mode.  Call only from GUI thread.
      */
-    float getFrequencyForY(int y, float minFreq, float maxFreq,
+    double getFrequencyForY(int y, double minFreq, double maxFreq,
 			   bool logarithmic) const;
 
     /**
      * Return the zoom level, i.e. the number of frames per pixel
      */

     virtual QSize getImageSize(int f0, int f1);
     virtual QSize getImageSize();
 
     virtual int getTextLabelHeight(const Layer *layer, QPainter &) const;
 
-    virtual bool getValueExtents(QString unit, float &min, float &max,
+    virtual bool getValueExtents(QString unit, double &min, double &max,
                                  bool &log) const;
 
     virtual void toXml(QTextStream &stream, QString indent = "",
                        QString extraAttributes = "") const;