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scribus/plugins/tools/2geomtools/lib2geom/solver.h

 

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#ifndef _SOLVE_SBASIS_H

 

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#define _SOLVE_SBASIS_H

 

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#include "point.h"

 

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#include "sbasis.h"

 

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namespace Geom{

 

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        class Point;

 

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unsigned

 

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crossing_count(Geom::Point const *V,    /*  Control pts of Bezier curve */

 

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               unsigned degree);        /*  Degree of Bezier curve */

 

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void

 

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find_parametric_bezier_roots(

 

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    Geom::Point const *w, /* The control points  */

 

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    unsigned degree,    /* The degree of the polynomial */

 

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    std::vector<double> & solutions,    /* RETURN candidate t-values */

 

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    unsigned depth);    /* The depth of the recursion */

 

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unsigned

 

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crossing_count(double const *V, /*  Control pts of Bezier curve */

 

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               unsigned degree, /*  Degree of Bezier curve */

 

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               double left_t, double right_t);

 

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void

 

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find_bernstein_roots(

 

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    double const *w, /* The control points  */

 

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    unsigned degree,    /* The degree of the polynomial */

 

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    std::vector<double> & solutions,    /* RETURN candidate t-values */

 

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    unsigned depth,     /* The depth of the recursion */

 

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    double left_t=0, double right_t=1);

 

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};

 

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#endif

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