density.h

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/*
** density.h
** 
** Made by Johnny Q. Hacker
** Login   <solarion@borkborkbork>

    Copyright (C) 2009 Joseph Pingenot

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

** Started on  Tue Mar  3 15:41:01 2009 Johnny Q. Hacker
** Last update Wed Oct  7 14:22:24 2009 Johnny Q. Hacker
*/

#ifndef     DENSITY_H_
# define    DENSITY_H_

struct density_point {
  double x;
  double rho;
};

/*Integrates the density within the range xmin to xmax.*/
double get_density_within_range(double xmin, double xmax, struct density_point *p, int len, short int type);
/*Same, but uses two arrays of doubles instead of a single array of
  density point structs*/
double get_density_within_range2(double xmin, double xmax, double x[], double rho[], int len);
#endif      /* !DENSITY_H_ */