--- /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: Sep 29, 2000 */
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <limits.h>
+#include <time.h>
+#include "routines/tsa.h"
+
+#define WID_STR "Adds noise to a time series or just creates random numbers"
+
+char *outfile=NULL,cgaussian,stout=1,justcreate=0;
+char *infile=NULL;
+char absolute=0,dimset=0;
+unsigned long length=ULONG_MAX,exclude=0,iseed=3441341;
+unsigned int dim=1;
+char *column=NULL;
+unsigned int verbosity=0xff;
+double **array,noiselevel=0.05;
+
+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: %lu]\n",exclude);
+ fprintf(stderr,"\t-m # of columns to read [Default: %u]\n",dim);
+ fprintf(stderr,"\t-c column(s) to read [Default: 1]\n");
+ fprintf(stderr,"\t-%% noiselevel in %% [Default: %.1e%%]\n",
+ noiselevel*100.0);
+ fprintf(stderr,"\t-r absolute noise level (or absolute variance in case\n"
+ "\t\tof gaussian noise) [Default: not set]\n");
+ fprintf(stderr,"\t-g (use gaussian noise) [Default: uniform]\n");
+ fprintf(stderr,"\t-I seed for the rnd-generator (If seed=0, the time\n"
+ "\t\tcommand is used to set the seed) [Default: fixed]\n");
+ fprintf(stderr,"\t-0 do not read input, just generate random numbers\n\t\t"
+ "(needs -l and -r) [Default: not set]\n");
+ fprintf(stderr,"\t-o outfile [Without argument 'datafile'.noi;"
+ " Without -o stdout is used]\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," -h show these options");
+ fprintf(stderr,"\n");
+ exit(0);
+}
+
+void scan_options(int n,char** in)
+{
+ char *out,lengthset=0;
+
+ if ((out=check_option(in,n,'l','u')) != NULL) {
+ sscanf(out,"%lu",&length);
+ lengthset=1;
+ }
+ if ((out=check_option(in,n,'x','u')) != NULL)
+ sscanf(out,"%lu",&exclude);
+ if ((out=check_option(in,n,'m','u')) != NULL) {
+ sscanf(out,"%u",&dim);
+ dimset=1;
+ }
+ if ((out=check_option(in,n,'c','s')) != NULL)
+ column=out;
+ if ((out=check_option(in,n,'%','f')) != NULL) {
+ sscanf(out,"%lf",&noiselevel);
+ noiselevel /= 100.0;
+ }
+ if ((out=check_option(in,n,'r','f')) != NULL) {
+ sscanf(out,"%lf",&noiselevel);
+ absolute=1;
+ }
+ if ((out=check_option(in,n,'g','n')) != NULL)
+ cgaussian=1;
+ if ((out=check_option(in,n,'I','u')) != NULL) {
+ sscanf(out,"%lu",&iseed);
+ if (iseed == 0)
+ iseed=(unsigned long)time((time_t*)&iseed);
+ }
+ if ((out=check_option(in,n,'0','n')) != NULL) {
+ if (absolute && lengthset)
+ justcreate=1;
+ else {
+ fprintf(stderr,"\nThe -0 flag requires -l and -r\n\n");
+ exit(MAKENOISE__FLAGS_REQUIRED);
+ }
+ }
+
+ if ((out=check_option(in,n,'V','u')) != NULL)
+ sscanf(out,"%u",&verbosity);
+ if ((out=check_option(in,n,'o','o')) != NULL) {
+ stout=0;
+ if (strlen(out) > 0)
+ outfile=out;
+ }
+}
+
+void equidistri(double sigmax,unsigned int which)
+{
+ int i;
+ double limit,equinorm;
+
+ equinorm=(double)ULONG_MAX;
+ if (!absolute)
+ limit=2.0*sqrt(3.0)*sigmax*noiselevel;
+ else
+ limit=2.0*noiselevel;
+ for (i=0;i<length;i++)
+ array[which][i] += (limit*((double)rnd_1279()/equinorm-0.5));
+}
+
+void gauss(double sigmax,unsigned int which)
+{
+ int i;
+ double glevel;
+
+ if (!absolute)
+ glevel=noiselevel*sigmax;
+ else
+ glevel=noiselevel;
+ for (i=0;i<length;i++)
+ array[which][i] += gaussian(glevel);
+}
+
+int main(int argc,char** argv)
+{
+ char stdi=0;
+ unsigned long i,j;
+ double av=0.0,*sigmax;
+ FILE *fout;
+
+ 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
+
+ if (!justcreate) {
+ infile=search_datafile(argc,argv,NULL,verbosity);
+ if (infile == NULL)
+ stdi=1;
+ }
+ else
+ stdi=1;
+
+ if (outfile == NULL) {
+ if (!stdi) {
+ check_alloc(outfile=(char*)calloc(strlen(infile)+5,(size_t)1));
+ strcpy(outfile,infile);
+ strcat(outfile,".noi");
+ }
+ else {
+ check_alloc(outfile=(char*)calloc((size_t)10,(size_t)1));
+ strcpy(outfile,"stdin.noi");
+ }
+ }
+ if (!stout)
+ test_outfile(outfile);
+
+ if (!justcreate) {
+ if (column == NULL)
+ array=(double**)get_multi_series(infile,&length,exclude,&dim,"",dimset,
+ verbosity);
+ else
+ array=(double**)get_multi_series(infile,&length,exclude,&dim,column,
+ dimset,verbosity);
+ }
+ else {
+ check_alloc(array=(double**)malloc(sizeof(double*)*dim));
+ for (i=0;i<dim;i++) {
+ check_alloc(array[i]=(double*)malloc(sizeof(double)*length));
+ for (j=0;j<length;j++)
+ array[i][j]=0.0;
+ }
+ }
+
+ check_alloc(sigmax=(double*)malloc(sizeof(double)*dim));
+
+ if (!absolute) {
+ for (j=0;j<dim;j++)
+ variance(array[j],length,&av,&sigmax[j]);
+ }
+
+ rnd_init(iseed);
+
+ for (i=0;i<10000;i++) rnd_1279();
+
+ for (j=0;j<dim;j++) {
+ if (!cgaussian)
+ equidistri(sigmax[j],j);
+ else
+ gauss(sigmax[j],j);
+ }
+
+ if (!stout) {
+ fout=fopen(outfile,"w");
+ if (verbosity&VER_INPUT)
+ fprintf(stderr,"Opened %s for writing\n",outfile);
+ for (i=0;i<length;i++) {
+ for (j=0;j<dim-1;j++)
+ fprintf(fout,"%e ",array[j][i]);
+ fprintf(fout,"%e\n",array[dim-1][i]);
+ }
+ fclose(fout);
+ }
+ else {
+ if (verbosity&VER_INPUT)
+ fprintf(stderr,"Writing to stdout\n");
+ for (i=0;i<length;i++) {
+ for (j=0;j<dim-1;j++)
+ fprintf(stdout,"%e ",array[j][i]);
+ fprintf(stdout,"%e\n",array[dim-1][i]);
+ }
+ }
+
+ for (i=0;i<dim;i++)
+ free(array[i]);
+ free(array);
+ free(sigmax);
+ if (outfile != NULL)
+ free(outfile);
+ if (infile != NULL)
+ free(infile);
+ if (column != NULL)
+ free(column);
+
+ return 0;
+}
git://source.jalview.org / jabaws.git / blobdiff