Integrate.c

Go to the documentation of this file.

/*
 * This file is part of Lamina.
 *
 * Lamina 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.
 *
 * Lamina 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 Lamina. If not, see <https://www.gnu.org/licenses/>.
 
 Copyright (C) 2025 Harish Charan, University of Durham, UK
 
 */
 
 
#include<stdio.h>
#include"global.h"
 
double Integrate(double *f, int nf){
 double s;
 int i;
 s = 0.5*(f[1] + f[nf]);
 for(i = 2 ; i <= nf - 1 ; i ++)
  s += f[i];
 return(s);
}