lily/page-spacing-result.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2007--2011 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::page_count () const
  33 {
  34   return systems_per_page_.size();
  35 }
  36
  37 Real
  38 Page_spacing_result::average_force () const
  39 {
  40   Real average_force = 0;
  41   for (vsize i = 0; i < page_count (); i++)
  42     average_force += force_[i];
  43
  44   average_force /= page_count ();
  45   return average_force;
  46 }
  47
  48 void
  49 Page_spacing_result::print () const
  50 {
  51   printf ("penalty %lf, demerits %lf\n" , penalty_, demerits_);
  52   for (vsize i = 0; i < page_count (); i++)
  53     printf (" %d:  #sys=%d, force=%lf\n", int (i), int (systems_per_page_[i]),
  54             force_[i]);
  55 }