lily/page-spacing-result.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2007--2010 Han-Wen Nienhuys <hanwen@lilypond.org>
   5
   6
   7   LilyPond is free software: you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation, either version 3 of the License, or
  10   (at your option) any later version.
  11
  12   LilyPond is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "page-spacing-result.hh"
  22 #include <cstdio>
  23
  24 Page_spacing_result::Page_spacing_result ()
  25 {
  26   penalty_ = 0;
  27   demerits_ = infinity_f;
  28   system_count_status_ = SYSTEM_COUNT_OK;
  29 }
  30
  31 vsize
  32 Page_spacing_result::system_count () const
  33 {
  34   vsize total = 0;
  35   for (vsize i = 0; i < systems_per_page_.size(); i++)
  36     total += systems_per_page_[i];
  37
  38   return total;
  39 }
  40
  41 vsize
  42 Page_spacing_result::page_count () const
  43 {
  44   return systems_per_page_.size();
  45 }
  46
  47 Real
  48 Page_spacing_result::average_force () const
  49 {
  50   Real average_force = 0;
  51   for (vsize i = 0; i < page_count (); i++)
  52     average_force += force_[i];
  53
  54   average_force /= page_count ();
  55   return average_force;
  56 }
  57
  58 void
  59 Page_spacing_result::print () const
  60 {
  61   printf ("penalty %lf, demerits %lf\n" , penalty_, demerits_);
  62   for (vsize i = 0; i < page_count (); i++)
  63     printf (" %d:  #sys=%d, force=%lf\n", int (i), int (systems_per_page_[i]),
  64             force_[i]);
  65 }