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Tina6/tina-libs/tina/geometry/geomCurve_con_util.h

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  1 /**********
  2  * 
  3  * This file is part of the TINA Open Source Image Analysis Environment
  4  * henceforth known as TINA
  5  *
  6  * TINA is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License as 
  8  * published by the Free Software Foundation.
  9  *
 10  * TINA is distributed in the hope that it will be useful,
 11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13  * GNU General Public License for more details.
 14  *
 15  * You should have received a copy of the GNU General Public License
 16  * along with TINA; if not, write to the Free Software Foundation, Inc., 
 17  * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18  *
 19  * ANY users of TINA who require exemption from the existing licence must
 20  * negotiate a new licence with Dr. Neil.A.Thacker, the sole agent for
 21  * the University of Manchester.
 22  *
 23  **********
 24  * 
 25  * Program :    TINA
 26  * File    :  $Source: /home/tina/cvs/tina-libs/tina/geometry/geomCurve_con_util.h,v $
 27  * Date    :  $Date: 2002/12/09 11:51:23 $
 28  * Version :  $Revision: 1.1.1.1 $
 29  * CVS Id  :  $Id: geomCurve_con_util.h,v 1.1.1.1 2002/12/09 11:51:23 cvstina Exp $
 30  *
 31  * Author  : Legacy TINA
 32  *
 33  * Notes :
 34  *
 35  *********
 36 */
 37 
 38 #ifndef TINA_GEOM_CURVE_CON_UTIL_HDR
 39 #define TINA_GEOM_CURVE_CON_UTIL_HDR
 40 
 41 #include <tina/math/mathDef.h>
 42 #include <tina/geometry/geom_CurveDef.h>
 43 
 44 #ifdef __cplusplus
 45 extern "C" {
 46 #endif /* __cplusplus */
 47 
 48 
 49 void    conic_normalise(Conic * conic);
 50 double  conic_eval(Conic * conic, Vec2 p);
 51 Vec2    conic_grad(Conic * conic, Vec2 p);
 52 double  conic_discrim(Conic * conic);
 53 void    conic_eigen(double a, double b, double c, double *theta, double *lambda1, double *lambda2);
 54 double  conic_lambda(Conic * conic0, Conic * conic1, Vec2 p);
 55 Vec2    ellipse_point(Conic * conic, double t);
 56 Vec2    hyperbola_point(Conic * conic, double t);
 57 double  ellipse_param(Conic * conic, Vec2 p);
 58 double  hyperbola_param(Conic * conic, Vec2 p);
 59 int     hyperbola_branch(Conic * conic, Vec2 p);
 60 double  conic_approx_sqrdist(Conic * conic, Vec2 p);
 61 void    conic_setup(Conic * conic);
 62 Vec2    conic_point(Conic * conic, double t);
 63 double  conic_param(Conic * conic, Vec2 p);
 64 void    conic_set_ends(Conic * conic, Vec2 p1, Vec2 p2, Vec2 pmid);
 65 double  conic_approx_length(Conic * conic, int n);
 66 double  conic_param_length(Conic * conic, Vec2 p1, Vec2 p2, Vec2 pmid);
 67 void    ellipse_format(Conic * conic);
 68 void    hyperbola_format(Conic * conic);
 69 void    conic_format(Conic * conic);
 70 double  conic_aratio(Conic * conic);
 71 
 72 
 73 #ifdef __cplusplus
 74 }
 75 #endif /* __cplusplus */
 76 
 77 #endif /* TINA_GEOM_CURVE_CON_UTIL_HDR */
 78 
 79 

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