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Tina5/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 Lesser 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 Lesser General Public License for more details.
 14  *
 15  * You should have received a copy of the GNU Lesser 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  **********
 20  * 
 21  * Program :    TINA
 22  * File    :  $Source: /home/tina/cvs/tina-libs/tina/geometry/geomCurve_con_util.h,v $
 23  * Date    :  $Date: 2002/12/09 11:51:23 $
 24  * Version :  $Revision: 1.1.1.1 $
 25  * CVS Id  :  $Id: geomCurve_con_util.h,v 1.1.1.1 2002/12/09 11:51:23 cvstina Exp $
 26  *
 27  * Author  : Legacy TINA
 28  *
 29  * Notes :
 30  *
 31  *********
 32 */
 33 
 34 #ifndef TINA_GEOM_CURVE_CON_UTIL_HDR
 35 #define TINA_GEOM_CURVE_CON_UTIL_HDR
 36 
 37 #include <tina/math/mathDef.h>
 38 #include <tina/geometry/geom_CurveDef.h>
 39 
 40 #ifdef __cplusplus
 41 extern "C" {
 42 #endif /* __cplusplus */
 43 
 44 
 45 void    conic_normalise(Conic * conic);
 46 double  conic_eval(Conic * conic, Vec2 p);
 47 Vec2    conic_grad(Conic * conic, Vec2 p);
 48 double  conic_discrim(Conic * conic);
 49 void    conic_eigen(double a, double b, double c, double *theta, double *lambda1, double *lambda2);
 50 double  conic_lambda(Conic * conic0, Conic * conic1, Vec2 p);
 51 Vec2    ellipse_point(Conic * conic, double t);
 52 Vec2    hyperbola_point(Conic * conic, double t);
 53 double  ellipse_param(Conic * conic, Vec2 p);
 54 double  hyperbola_param(Conic * conic, Vec2 p);
 55 int     hyperbola_branch(Conic * conic, Vec2 p);
 56 double  conic_approx_sqrdist(Conic * conic, Vec2 p);
 57 void    conic_setup(Conic * conic);
 58 Vec2    conic_point(Conic * conic, double t);
 59 double  conic_param(Conic * conic, Vec2 p);
 60 void    conic_set_ends(Conic * conic, Vec2 p1, Vec2 p2, Vec2 pmid);
 61 double  conic_approx_length(Conic * conic, int n);
 62 double  conic_param_length(Conic * conic, Vec2 p1, Vec2 p2, Vec2 pmid);
 63 void    ellipse_format(Conic * conic);
 64 void    hyperbola_format(Conic * conic);
 65 void    conic_format(Conic * conic);
 66 double  conic_aratio(Conic * conic);
 67 
 68 
 69 #ifdef __cplusplus
 70 }
 71 #endif /* __cplusplus */
 72 
 73 #endif /* TINA_GEOM_CURVE_CON_UTIL_HDR */
 74 
 75 

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