view wgt_himed.c @ 22:f5b4a2ab6204

medcouple_1d: modify the definition of medc_idx to match R's definition This uses the right (not left) middle in case of an even number of things and the middle one in case of an odd number.
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Sat, 17 Jan 2015 19:56:07 -0500
parents e374cdd5e1e7
children
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/*
 *  R : A Computer Language for Statistical Data Analysis
 *  Copyright (C) 2006--2007	the R Development Core Team
 *
 *  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 2 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

 Used to be part of ./qn_sn.c

 Note by MM: We have explicit permission from P.Rousseeuw to
 licence it under the GNU Public Licence.

 See also ../inst/Copyrights
*/
#include <inttypes.h>
/*        ^^^^^^^^^^ is supposedly more common and standard than
 * #include <stdint.h>
 * or #include <sys/types.h> */
/* --> int64_t ; if people don't have the above, they can forget about it.. */
/* #include "int64.h" */

#include <math.h> /* -> <math.h> and much more */

#define _i_whimed_
#include "wgt_himed_templ.h"

#define _d_whimed_
#include "wgt_himed_templ.h"


void wgt_himed_i(double *x, int *n, int *iw, double *res)
{
    double *a_srt, *acand;
    int *iw_cand, nn = (int)*n;

    acand  = (double *)malloc(nn*sizeof(double));
    a_srt  = (double *)malloc(nn*sizeof(double));
    iw_cand= (int *)   malloc(nn*sizeof(int));

    *res = whimed_i(x, (int *)iw, nn, acand, a_srt, iw_cand);
}

void wgt_himed(double *x, int *n, double *w, double *res)
{
    double *a_srt, *a_cand, *w_cand;
    int nn = (int)*n;

    a_cand = (double *) malloc(nn*sizeof(double));
    a_srt  = (double *) malloc(nn*sizeof(double));
    w_cand = (double *) malloc(nn*sizeof(double));

    *res = whimed(x, w, nn, a_cand, a_srt, w_cand);
}