Add ViewProvider for Assembly and Part and add FreeGCE3D

src/Mod/Assembly/App/gcs3d/SubSystem.h

@@ -0,0 +1,89 @@
+/***************************************************************************
+ *   Copyright (c) Konstantinos Poulios      (logari81@gmail.com) 2011     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef FREEGCS_SUBSYSTEM_H
+#define FREEGCS_SUBSYSTEM_H
+
+#undef min
+#undef max
+
+#include <Eigen/Dense>
+#include "Constraints.h"
+
+namespace GCS
+{
+
+    class SubSystem
+    {
+    private:
+        int psize, csize;
+        std::vector<Constraint *> clist;
+        VEC_pD plist;      // pointers to the original parameters
+        MAP_pD_pD pmap;    // redirection map from the original parameters to pvals
+        VEC_D pvals;       // current variables vector (psize)
+//        JacobianMatrix jacobi;  // jacobi matrix of the residuals
+        std::map<Constraint *,VEC_pD > c2p; // constraint to parameter adjacency list
+        std::map<double *,std::vector<Constraint *> > p2c; // parameter to constraint adjacency list
+        void initialize(VEC_pD &params, MAP_pD_pD &reductionmap); // called by the constructors
+    public:
+        SubSystem(std::vector<Constraint *> &clist_, VEC_pD &params);
+        SubSystem(std::vector<Constraint *> &clist_, VEC_pD &params,
+                  MAP_pD_pD &reductionmap);
+        ~SubSystem();
+
+        int pSize() { return psize; };
+        int cSize() { return csize; };
+
+        void redirectParams();
+        void revertParams();
+
+        void getParamMap(MAP_pD_pD &pmapOut);
+        void getParamList(VEC_pD &plistOut);
+
+        void getParams(VEC_pD &params, Eigen::VectorXd &xOut);
+        void getParams(Eigen::VectorXd &xOut);
+        void setParams(VEC_pD &params, Eigen::VectorXd &xIn);
+        void setParams(Eigen::VectorXd &xIn);
+
+        double error();
+        void calcResidual(Eigen::VectorXd &r);
+        void calcResidual(Eigen::VectorXd &r, double &err);
+        void calcJacobi(VEC_pD &params, Eigen::MatrixXd &jacobi);
+        void calcJacobi(Eigen::MatrixXd &jacobi);
+        void calcGrad(VEC_pD &params, Eigen::VectorXd &grad);
+        void calcGrad(Eigen::VectorXd &grad);
+
+        double maxStep(VEC_pD &params, Eigen::VectorXd &xdir);
+        double maxStep(Eigen::VectorXd &xdir);
+
+        void applySolution();
+        void analyse(Eigen::MatrixXd &J, Eigen::MatrixXd &ker, Eigen::MatrixXd &img);
+        void report();
+
+void printResidual();
+    };
+
+    double lineSearch(SubSystem *subsys, Eigen::VectorXd &xdir);
+
+} //namespace GCS
+
+#endif // FREEGCS_SUBSYSTEM_H