https://github.com/cran/RandomFields
Tip revision: e994a4415e67fa60cbfd3f208aaab20872521c0b authored by Martin Schlather on 14 February 2019, 21:02:19 UTC
version 3.3
version 3.3
Tip revision: e994a44
PoissonPolygon.h
/*
Authors
Martin Schlather, schlather@math.uni-mannheim.de
Copyright (C) 2015 -- 2017 Felix Ballani
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef POLYGON_H
#define POLYGON_H 1
/*******************************************************************************
* PoissonPolygon.h
****/
// Definitions
//#define PI 3.141592653589793238462643383279
// Structs
typedef struct vertex
{
double x[2]; // vertex coordinates
} vertex;
typedef struct edge
{
double u[2]; // normal vector
double p; // distance from the origin
} edge;
typedef struct polygon
{
int n; // number of vertices = number of edges
vertex *v; // array of vertices
edge *e; // array of edges
double box0[2]; // coordinates of the left lower vertex of smallest box containing the polygon
double box1[2]; // coordinates of the right upper vertex of smallest box containing the polygon
} polygon;
// Functions
double scProd(const double *x, const double *y);
int compareAngles(const void * a, const void * b);
void rTriangle(double *phi);
int rPoissonPolygon(struct polygon *P, double lambda, bool);
//int rPoissonPolygon2(struct polygon *P, double lambda, bool);
void freePolygon(struct polygon *P);
bool isInside(struct polygon *P, double *x);
double getArea(struct polygon *P);
#endif /* POLYGON_H */