//
// This file is in the Public Domain and comes with no warranty.
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <simgear/math/interpolater.hxx>
#include "vertical_speed_indicator.hxx"
#include <Main/fg_props.hxx>
#include <Main/util.hxx>
+using std::string;
VerticalSpeedIndicator::VerticalSpeedIndicator ( SGPropertyNode *node )
: _internal_pressure_inhg(29.92),