lily/page-spacing-result.cc

   1 /*
   2   page-spacing-result.cc -- implement Page_spacing_result
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2007--2009 Han-Wen Nienhuys <hanwen@lilypond.org>
   7
   8 */
   9
  10 #include "page-spacing-result.hh"
  11 #include <cstdio>
  12
  13 Page_spacing_result::Page_spacing_result ()
  14 {
  15   penalty_ = 0;
  16   demerits_ = infinity_f;
  17 }
  18
  19 vsize
  20 Page_spacing_result::system_count () const
  21 {
  22   vsize total = 0;
  23   for (vsize i = 0; i < systems_per_page_.size(); i++)
  24     total += systems_per_page_[i];
  25
  26   return total;
  27 }
  28
  29 vsize
  30 Page_spacing_result::page_count () const
  31 {
  32   return systems_per_page_.size();
  33 }
  34
  35 Real
  36 Page_spacing_result::average_force () const
  37 {
  38   Real average_force = 0;
  39   for (vsize i = 0; i < page_count (); i++)
  40     average_force += force_[i];
  41
  42   average_force /= page_count ();
  43   return average_force;
  44 }
  45
  46 void
  47 Page_spacing_result::print () const
  48 {
  49   printf ("penalty %lf, demerits %lf\n" , penalty_, demerits_);
  50   for (vsize i = 0; i < page_count (); i++)
  51     printf (" %d:  #sys=%d, force=%lf\n", int (i), int (systems_per_page_[i]),
  52             force_[i]);
  53 }