comparison widgets/PluginParameterBox.cpp @ 78:967193b6c7aa

* Add BZipFileDevice to handle bzip2 compress/uncompress without all that
  ugly code in MainWindow.cpp
* Remove all that ugly code in MainWindow.cpp and replace with uses of
  BZipFileDevice
* Fix layer import/export for SV XML layers
* and a few other minor fixes

 #include <QLayout>
 #include <QLabel>
 
 #include <iostream>
 #include <string>
+
+#include <cmath>
 
 PluginParameterBox::PluginParameterBox(Vamp::PluginBase *plugin, QWidget *parent) :
     QFrame(parent),
     m_plugin(plugin)
 {