lily/include/linear-programming.hh

   1 /*
   2   linear-programming.hh -- declare Linear_programming
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #ifndef LINEAR_PROGRAMMING_HH
  11 #define LINEAR_PROGRAMMING_HH
  12
  13 #include "linear-programming.hh"
  14
  15 /**
  16
  17    Solve the following problem:
  18
  19    min c* x
  20
  21    constraints_[i] * x = constraint_rhss_ [i]
  22
  23    x[j] >= 0
  24 */
  25
  26 class Linear_programming
  27 {
  28   Array<Vector> constraints_;
  29   Array<Real> constraint_rhss_;
  30   Vector cost_vec_;
  31   int dim_;
  32 public:
  33   Vector constraint_solve (Vector initial_basic_solution) const;
  34
  35   int dim () const;
  36   Vector solve (Vector) const;
  37   void add_constraint (Vector c, double r);
  38
  39
  40   Linear_programming (int n);
  41   void set_cost (Vector);
  42   void print () const;
  43   void OK () const;
  44 }
  45
  46 #endif /* LINEAR_PROGRAMMING_HH */
  47