+++ /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 20, 1999 */
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <limits.h>
-#include "routines/tsa.h"
-
-#define WID_STR "Make a Poincare section"
-
-char *outfile=NULL,dimset=0,compset=0,whereset=0,stdo=1;
-char *infile=NULL;
-unsigned long length=ULONG_MAX,count,exclude=0;
-int dim=2,comp=2,delay=1,dir=0;
-unsigned int column=1;
-unsigned int verbosity=0xff;
-double *series,min,max,average=0.0,where;
-
-void show_options(char *progname)
-{
- what_i_do(progname,WID_STR);
- fprintf(stderr," Usage: %s [Options]\n\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 # of points to be used [Default: whole file]\n");
- fprintf(stderr,"\t-x #of lines to be ignored [Default: 0]\n");
- fprintf(stderr,"\t-c column to read [Default: 1]\n");
- fprintf(stderr,"\t-m embedding dimension [Default: 2]\n");
- fprintf(stderr,"\t-d delay [Default: 1]\n");
- fprintf(stderr,"\t-q component to cut [Default: last]\n");
- fprintf(stderr,"\t-C direction of the cut (0: from below,1: from above)"
- "\n\t\t[Default: 0]\n");
- fprintf(stderr,"\t-a set crossing at [Default: average of data]\n");
- fprintf(stderr,"\t-o outfile [Default: 'datafile'.poin]\n");
- fprintf(stderr,"\t-V verbosity level [Default: 1]\n\t\t"
- "0='only panic messages'\n\t\t"
- "1='+ input/output messages'\n");
- fprintf(stderr,"\t-h show these options\n");
- fprintf(stderr,"\n");
- exit(0);
-}
-
-
-void scan_options(int n,char** in)
-{
- char *out;
-
- if ((out=check_option(in,n,'l','u')) != NULL)
- sscanf(out,"%lu",&length);
- if ((out=check_option(in,n,'x','u')) != NULL)
- sscanf(out,"%lu",&exclude);
- if ((out=check_option(in,n,'c','u')) != NULL)
- sscanf(out,"%u",&column);
- if ((out=check_option(in,n,'m','u')) != NULL) {
- dimset=1;
- sscanf(out,"%u",&dim);
- }
- if ((out=check_option(in,n,'d','u')) != NULL)
- sscanf(out,"%u",&delay);
- if ((out=check_option(in,n,'q','u')) != NULL) {
- compset=1;
- sscanf(out,"%u",&comp);
- }
- if ((out=check_option(in,n,'C','u')) != NULL)
- sscanf(out,"%u",&dir);
- if ((out=check_option(in,n,'V','u')) != NULL)
- sscanf(out,"%u",&verbosity);
- if ((out=check_option(in,n,'a','f')) != NULL) {
- whereset=1;
- sscanf(out,"%lf",&where);
- }
- if ((out=check_option(in,n,'o','o')) != NULL) {
- stdo=0;
- if (strlen(out) > 0)
- outfile=out;
- }
-}
-
-void poincare(void)
-{
- unsigned long i;
- long j,jd;
- double delta,xcut;
- double time=0.0,lasttime=0.0;
- FILE *fout=NULL;
-
- if (!stdo) {
- fout=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");
- }
-
- if (dir == 0) {
- for (i=(comp-1)*delay;i<length-(dim-comp)*delay-1;i++) {
- if ((series[i] < where) && (series[i+1] >= where)) {
- delta=(series[i]-where)/(series[i]-series[i+1]);
- time=(double)i+delta;
- if (lasttime > 0.0) {
- for (j= -(comp-1);j<=dim-comp;j++) {
- if (j != 0) {
- jd=i+j*delay;
- xcut=series[jd]+delta*(series[jd+1]-series[jd]);
- if (!stdo)
- fprintf(fout,"%e ",xcut);
- else
- fprintf(stdout,"%e ",xcut);
- }
- }
- if (!stdo) {
- fprintf(fout,"%e\n",time-lasttime);
- fflush(fout);
- }
- else {
- fprintf(stdout,"%e\n",time-lasttime);
- fflush(stdout);
- }
- count++;
- }
- lasttime=time;
- }
- }
- }
- else {
- for (i=(comp-1)*delay;i<length-(dim-comp)*delay-1;i++) {
- if ((series[i] > where) && (series[i+1] <= where)) {
- delta=(series[i]-where)/(series[i]-series[i+1]);
- time=(double)i+delta;
- if (lasttime > 0.0) {
- for (j= -(comp-1);j<=dim-comp;j++) {
- if (j != 0) {
- jd=i+j*delay;
- xcut=series[jd]+delta*(series[jd+1]-series[jd]);
- if (!stdo)
- fprintf(fout,"%e ",xcut);
- else
- fprintf(stdout,"%e ",xcut);
- }
- }
- if (!stdo) {
- fprintf(fout,"%e\n",time-lasttime);
- fflush(fout);
- }
- else {
- fprintf(stdout,"%e\n",time-lasttime);
- fflush(stdout);
- }
- count++;
- }
- lasttime=time;
- }
- }
- }
- if (!stdo)
- fclose(fout);
-}
-
-int main(int argc,char** argv)
-{
- char stdi=0;
- long i;
- double var;
-
- 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)+6,(size_t)1));
- strcpy(outfile,infile);
- strcat(outfile,".poin");
- }
- else {
- check_alloc(outfile=(char*)calloc((size_t)11,(size_t)1));
- strcpy(outfile,"stdin.poin");
- }
- }
- if (!stdo)
- test_outfile(outfile);
-
- series=(double*)get_series(infile,&length,exclude,column,verbosity);
- variance(series,length,&average,&var);
- min=max=series[0];
- for (i=1;i<length;i++) {
- if (series[i] < min) min=series[i];
- if (series[i] > max) max=series[i];
- }
-
- if (!whereset)
- where=average;
- if (dimset && !compset)
- comp=dim;
-
- if (comp > dim) {
- fprintf(stderr,"Component to cut is larger than dimension. Exiting!\n");
- exit(POINCARE__WRONG_COMPONENT);
- }
- if ((where < min) || (where > max)) {
- fprintf(stderr,"You want to cut outside the data interval which is [%e,"
- "%e]\n",min,max);
- exit(POINCARE__OUTSIDE_REGION);
- }
- poincare();
-
- return 0;
-}
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