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   system_count_status_ = SYSTEM_COUNT_OK;
  18 }
  19
  20 vsize
  21 Page_spacing_result::system_count () const
  22 {
  23   vsize total = 0;
  24   for (vsize i = 0; i < systems_per_page_.size(); i++)
  25     total += systems_per_page_[i];
  26
  27   return total;
  28 }
  29
  30 vsize
  31 Page_spacing_result::page_count () const
  32 {
  33   return systems_per_page_.size();
  34 }
  35
  36 Real
  37 Page_spacing_result::average_force () const
  38 {
  39   Real average_force = 0;
  40   for (vsize i = 0; i < page_count (); i++)
  41     average_force += force_[i];
  42
  43   average_force /= page_count ();
  44   return average_force;
  45 }
  46
  47 void
  48 Page_spacing_result::print () const
  49 {
  50   printf ("penalty %lf, demerits %lf\n" , penalty_, demerits_);
  51   for (vsize i = 0; i < page_count (); i++)
  52     printf (" %d:  #sys=%d, force=%lf\n", int (i), int (systems_per_page_[i]),
  53             force_[i]);
  54 }