lily/colhpos.cc

   1 /*
   2   colhpos.cc -- implement Column_x_positions
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "colhpos.hh"
  10 #include "real.hh"
  11 #include "debug.hh"
  12 #include "vector.hh"
  13 #include "line-spacer.hh"
  14
  15 Column_x_positions::Column_x_positions()
  16 {
  17   energy_f_ = infinity_f;
  18   satisfies_constraints_b_ = false;
  19   spacer_l_ =0;
  20 }
  21
  22 Column_x_positions::~Column_x_positions()
  23 {
  24
  25 }
  26
  27 void
  28 Column_x_positions::add_paper_column (Paper_column*c)
  29 {
  30   cols_.push (c);
  31 }
  32
  33 void
  34 Column_x_positions::print() const
  35 {
  36 #ifndef NPRINT
  37   DOUT << "energy : " << energy_f_ << '\n';
  38   DOUT << "line of " << config_.size() << " cols\n";
  39   Vector v (config_);
  40   DOUT << v;
  41 #endif
  42 }
  43
  44 void
  45 Column_x_positions::OK() const
  46 {
  47 #ifndef NDEBUG
  48   assert (config_.size() == cols_.size ());
  49 #endif
  50 }
  51
  52 void
  53 Column_x_positions::set_stupid_solution(Vector v)
  54 {
  55   energy_f_ = infinity_f;
  56   config_ = v;
  57 }
  58
  59 void
  60 Column_x_positions::stupid_solution()
  61 {
  62   set_stupid_solution (spacer_l_->default_solution());
  63 }
  64
  65 void
  66 Column_x_positions::solve_line()
  67 {
  68   spacer_l_->solve (this);
  69 }
  70
  71
  72 void
  73 Column_x_positions::approximate_solve_line()
  74 {
  75   spacer_l_->lower_bound_solution (this);
  76 }
  77
  78