Union.h

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/**
 * Represents the union of two implicit surfaces.
 *
 * @author Steve Zelinka
 */

#ifndef _UNION_H
#define _UNION_H

#include "RFunction.h"

/** Union creates an Rfunction with default C1 continuity.
 */
class Union : public RFunction
{
  public:
    /**
    * Constructor for a Union.
    *
    * @param f    One function to be union'd.
    * @param g    The other function to be union'd.
    * @param cont  The degree of continuity to be provided.
    */
    Union(Implicit *f, Implicit *g, int cont = 1)
    { 
      m_f = f; 
      m_g = g; 
      m_cont = cont;
      m_sign = -1;
    }

    Union() {
      m_f = m_g = NULL;
      m_cont = 1;
      m_sign = -1;
    }

    MAKE_NAME();
};

#endif

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