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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2007 - INRIA - Jean-Baptiste Silvy
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
/*------------------------------------------------------------------------*/
/* file: Contour.h */
/* desc : Functions to compute a level curves */
/*------------------------------------------------------------------------*/
#ifndef _CONTOUR_H_
#define _CONTOUR_H_
#include "dynlib_graphics.h"
/**
* Draw level curves for a function f(x,y) which values
* at points x(i),y(j) are given by z(i,j)
* - z is a (n1,n2) matrix
* - x is a (1,n1) matrix
* - y is a (1,n2) matrix
* - x,y,z are stored as one dimensionnal array in C
* - if *flagnz =0
* - then nz is an int pointer to the number of level curves.
* else zz is an array which gives th requested level values.
* (and nz is the size of thos array)
* Computed from min and max of z
* Example Contour(1:5,1:10,rand(5,10),5);
*/
GRAPHICS_IMPEXP int C2F(contourif)(double *x, double *y, double *z, int *n1, int *n2, int *flagnz, int *nz, double *zz, int *style) ;
/**
* used to bring back data to Scilab Stack
*/
GRAPHICS_IMPEXP int C2F(getconts)(double **x, double **y, int *mm, int *n) ;
#endif /* _CONTOUR_H_ */
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