Stem-end, chord-start, etc. is all confusing naming.
*/
-#include <math.h> // rint
+#include "stem.hh"
+
+#include <cmath> // rint
#include "lookup.hh"
#include "directional-element-interface.hh"
#include "note-head.hh"
-#include "stem.hh"
#include "warn.hh"
#include "output-def.hh"
#include "rhythmic-head.hh"
#include "font-interface.hh"
-#include "stencil.hh"
#include "paper-column.hh"
#include "misc.hh"
#include "beam.hh"
#include "rest.hh"
#include "group-interface.hh"
#include "staff-symbol-referencer.hh"
-#include "spanner.hh"
#include "side-position-interface.hh"
#include "dot-column.hh"
#include "stem-tremolo.hh"