120 lines
2.4 KiB
C++
120 lines
2.4 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2009, University in Hagen, Faculty of Mathematics and
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Computer Science, Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
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//paragraph [10] Footnote: [{\footnote{] [}}]
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0 Overview
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1 Includes and defines
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*/
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#ifndef TOOLBOX_H_
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#define TOOLBOX_H_
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#include <stdio.h>
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#include <gmp.h>
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#include <gmpxx.h>
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#include "NestedList.h"
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#include "Line2.h"
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//#include "Point2.h"
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//#include "Points2.h"
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#include "Algebras/Region2/Region2Algebra.h"
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namespace p2d {
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class Point2;
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//class Line2;
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//class Point2;
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//class Line2;
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//class Region2;
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/*
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1 ~createCoordinate~
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*/
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bool createCoordinate(ListExpr& value, int& grid, mpq_class& precise);
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/*
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1 ~createValue~
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*/
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void createValue(double value, int& gx, mpq_class& py);
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/*
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1 ~createPoint2~
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*/
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void createPoint2(const double x, const double y, Point2** result);
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/*
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1 ~createAlmostEqual~
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*/
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bool AlmostEqual(double a, double b);
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/*
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1 ~computeMpqFromDouble~
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*/
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mpq_class computeMpqFromDouble(double value);
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/*
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1 ~ceil\_mpq~
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*/
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mpz_class ceil_mpq(mpq_class& value);
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/*
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1 ~floor\_mpq~
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*/
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mpz_class floor_mpq(mpq_class& value);
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/*
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1 ~prepareData~
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computes the grid value ~resultGridX~ = floor(~value~) and
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the difference (~value~-~resultGridX~)=~resultPX~.
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*/
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void prepareData(int& resultGridX, mpq_class& resultPX,
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mpq_class value);
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/*
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1 ~computeScalefactor~
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Some operators scale the region-objects before the plane-sweep starts.
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The scalefactor is a power of 10, so that the greatest value has max. 5 digits.
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*/
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mpq_class computeScalefactor(Region2& reg1, Region2& reg2);
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mpq_class computeScalefactor(Region2& reg1);
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mpq_class computeScalefactor(const Line2& line1, const Line2& line2);
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} /* namespace p2d */
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#endif /* TOOLBOX_H_ */
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