// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#ifdef HAVE_CONFIG_H
+# include <simgear_config.h>
+#endif
+
#include "interpolator.hxx"
-#include <simgear/Math/SGMath.hxx>
+#include <simgear/math/SGMath.hxx>
void SGInterpolator::addNew(SGPropertyNode* prop, int nPoints)
{