+class BackprojectIntDiff3 : public BackprojectDiff
+{
+ public:
+ BackprojectIntDiff3 (const Projections& proj, ImageFile& im, Backprojector::InterpolationID interpType, const int interpFactor)
+ : BackprojectDiff::BackprojectDiff (proj, im, interpType, interpFactor)
+ {}
+
+ void BackprojectView (const double* const t, double view_angle);
+};
+
+
+#endif