diff view/View.h @ 904:e0f08e108064 cxx11

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

--- a/view/View.h	Mon Mar 09 08:43:20 2015 +0000
+++ b/view/View.h	Mon Mar 09 12:02:10 2015 +0000
@@ -112,7 +112,7 @@
      *
      * 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;
 
     /**
@@ -121,7 +121,7 @@
      *
      * 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;
 
     /**
@@ -302,7 +302,7 @@
 
     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 = "",