+++ /dev/null
-/*
- * This file is part of TISEAN
- *
- * Copyright (c) 1998-2007 Rainer Hegger, Holger Kantz, Thomas Schreiber
- *
- * TISEAN 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.
- *
- * TISEAN 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 TISEAN; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-/*Author: Rainer Hegger, Last modified: Mar 11, 2002 */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include <math.h>
-#include "routines/tsa.h"
-
-#define WID_STR "Resample the data"
-
-unsigned long length=ULONG_MAX,exclude=0;
-unsigned int column=1,order=4;
-unsigned int verbosity=0xff;
-char *outfile=NULL,stdo=1;
-char *infile=NULL;
-double *series,sampletime=0.5;
-
-void show_options(char *progname)
-{
- what_i_do(progname,WID_STR);
- fprintf(stderr," Usage: %s [options]\n",progname);
- fprintf(stderr," Options:\n");
- fprintf(stderr,"Everything not being a valid option will be interpreted"
- " as a possible"
- " datafile.\nIf no datafile is given stdin is read. Just - also"
- " means stdin\n");
- fprintf(stderr,"\t-l length of file [default is whole file]\n");
- fprintf(stderr,"\t-x # of lines to be ignored [default is 0]\n");
- fprintf(stderr,"\t-c column to read [default is 1]\n");
- fprintf(stderr,"\t-s new sampling time (in units of the old one)"
- " [default is %f]\n",sampletime);
- fprintf(stderr,"\t-p order of the interpolation [default is %d]\n",order);
- fprintf(stderr,"\t-o output file name [default is 'datafile'.rs]\n");
- fprintf(stderr,"\t-V verbosity level [default is 1]\n\t\t"
- "0='only panic messages'\n\t\t"
- "1='+ input/output messages'\n");
- fprintf(stderr,"\t-h show these options\n\n");
- exit(0);
-}
-
-void scan_options(int argc,char **argv)
-{
- char *out;
-
- if ((out=check_option(argv,argc,'s','f')) != NULL)
- sscanf(out,"%lf",&sampletime);
- if ((out=check_option(argv,argc,'l','u')) != NULL)
- sscanf(out,"%lu",&length);
- if ((out=check_option(argv,argc,'x','u')) != NULL)
- sscanf(out,"%lu",&exclude);
- if ((out=check_option(argv,argc,'c','u')) != NULL)
- sscanf(out,"%u",&column);
- if ((out=check_option(argv,argc,'p','u')) != NULL)
- sscanf(out,"%u",&order);
- if ((out=check_option(argv,argc,'V','u')) != NULL)
- sscanf(out,"%u",&verbosity);
- if ((out=check_option(argv,argc,'o','o')) != NULL) {
- stdo=0;
- if (strlen(out) > 0)
- outfile=out;
- }
-}
-
-int main(int argc,char **argv)
-{
- char stdi=0;
- long i,j,itime,itime_old;
- int horder,horder2;
- double **mat,*vec,**imat,*coef;
- double time,htime,new_el;
- FILE *file=NULL;
-
- if (scan_help(argc,argv))
- show_options(argv[0]);
-
- scan_options(argc,argv);
-#ifndef OMIT_WHAT_I_DO
- if (verbosity&VER_INPUT)
- what_i_do(argv[0],WID_STR);
-#endif
-
- infile=search_datafile(argc,argv,&column,verbosity);
- if (infile == NULL)
- stdi=1;
-
- if (outfile == NULL) {
- if (!stdi) {
- check_alloc(outfile=(char*)calloc(strlen(infile)+4,(size_t)1));
- strcpy(outfile,infile);
- strcat(outfile,".rs");
- }
- else {
- check_alloc(outfile=(char*)calloc((size_t)9,(size_t)1));
- strcpy(outfile,"stdin.rs");
- }
- }
- if (!stdo)
- test_outfile(outfile);
-
- series=(double*)get_series(infile,&length,exclude,column,verbosity);
-
- horder=order+1;
- horder2=(horder+1)/2-horder;
-
- check_alloc(mat=(double**)malloc(sizeof(double*)*horder));
- for (i=0;i<horder;i++)
- check_alloc(mat[i]=(double*)malloc(sizeof(double)*horder));
- check_alloc(vec=(double*)malloc(sizeof(double)*horder));
- check_alloc(coef=(double*)malloc(sizeof(double)*horder));
-
- for (i=0;i<horder;i++)
- for (j=0;j<horder;j++)
- mat[i][j]=pow((double)(horder2+i),(double)j);
-
- imat=invert_matrix(mat,(unsigned int)horder);
-
- if (!stdo) {
- file=fopen(outfile,"w");
- if (verbosity&VER_INPUT)
- fprintf(stderr,"Opened %s for writing\n",outfile);
- }
- else {
- if (verbosity&VER_INPUT)
- fprintf(stderr,"Writing to stdout\n");
- }
-
- time=(horder+1)/2.;
- itime_old= -1;
- while (time < (double)(length-horder/2)) {
- itime=(int)time+horder2;
- if (itime != itime_old) {
- for (i=0;i<horder;i++)
- vec[i]=series[i+itime];
- for (i=0;i<horder;i++) {
- coef[i]=0.0;
- for (j=0;j<horder;j++)
- coef[i] += imat[i][j]*vec[j];
- }
- }
- itime_old=itime;
- htime=time-itime+horder2;
- new_el=coef[0];
- for (i=1;i<horder;i++)
- new_el += coef[i]*pow(htime,(double)i);
- if (stdo)
- fprintf(stdout,"%e\n",new_el);
- else
- fprintf(file,"%e\n",new_el);
- time += sampletime;
- }
- if (!stdo)
- fclose(file);
-
- return 0;
-}
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