File: qpsolve.sci

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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA - Serge Steer
// 
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at    
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
//

function [x, iact, iter, f]=qpsolve(Q,p,C,b,ci,cs,me)
  Cb=[];bb=[];
  isCsparse=typeof(C)=='sparse'|ci<>[]|cs<>[]
  C(me+1:$,:)=-C(me+1:$,:);
  b(me+1:$)=-b(me+1:$);
  // replace boundary contraints by linear constraints
  Cb=[];bb=[];
  if ci<>[] then
    Cb=[Cb;speye(Q)]
    bb=[bb;ci]
  end
  if cs<>[] then
    Cb=[Cb;speye(Q)]
    bb=[bb;-cs]
  end
  C=[C;Cb];b=[b;bb]
  [x, iact, iter, f]=qp_solve(Q,-p,C',b,me)
endfunction