--- /dev/null
+c===========================================================================
+c
+c This file is part of TISEAN
+c
+c Copyright (c) 1998-2007 Rainer Hegger, Holger Kantz, Thomas Schreiber
+c
+c TISEAN is free software; you can redistribute it and/or modify
+c it under the terms of the GNU General Public License as published by
+c the Free Software Foundation; either version 2 of the License, or
+c (at your option) any later version.
+c
+c TISEAN is distributed in the hope that it will be useful,
+c but WITHOUT ANY WARRANTY; without even the implied warranty of
+c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+c GNU General Public License for more details.
+c
+c You should have received a copy of the GNU General Public License
+c along with TISEAN; if not, write to the Free Software
+c Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+c
+c===========================================================================
+c information dimension, fixed mass
+c see H. Kantz, T. Schreiber, Nonlinear Time Series Analysis, Cambridge
+c University Press (1997)
+c author T. Schreiber (1999)
+c===========================================================================
+
+ parameter(nx=100000,mx=10)
+ dimension x(nx,mx), icol(mx)
+ character*72 file, fout
+ data kmax/100/, res/2./
+ data iverb/1/
+ external rand
+
+ call whatido("fixed mass approach to d1 estimation",iverb)
+ id=imust("d")
+ mfrom=imust("m")
+ mto=imust("M")
+ ntmin=imust("t")
+ ncmin=imust("n")
+ res=fcan("#",res)
+ r=rand(sqrt(abs(fcan("I",0.0))))
+ kmax=ican("K",kmax)
+ resl=log(2.)/res
+ nmax=ican("l",nx)
+ nexcl=ican("x",0)
+ call columns(mc,mx,icol)
+ mcmax=max(1,mc)
+ isout=igetout(fout,iverb)
+ if(fout.eq." ") isout=1
+
+ call nthstring(1,file)
+ call xreadfile(nmax,mcmax,nx,x,nexcl,icol,file,iverb)
+ if(file.eq."-") file="stdin"
+ if(isout.eq.1) call addsuff(fout,file,"_c1")
+ call outfile(fout,iunit,iverb)
+ do 10 m=mfrom,mto
+ write(iunit,'(4h#m= ,i5)') m
+ pr=0.
+ do 20 pl=log(1./(nmax-(m-1)*id)),0.,resl
+ pln=pl
+ call d1(nmax,mcmax,nx,x,id,m,ncmin,pr,pln,rln,ntmin,kmax)
+ if(pln.eq.pr) goto 20
+ it=it+1
+ pr=pln
+ write(iunit,*) exp(rln), exp(pln)
+ 20 continue
+ write(iunit,'()')
+ 10 write(iunit,'()')
+ end
+
+ subroutine usage()
+c usage message
+
+ call whatineed(
+ . "-d# -m# -M# -t# -n# "//
+ . "[-## -K# -o outfile -I# -l# -x# -c#,# -V# -h] file")
+ call popt("d","delay")
+ call popt("m","minimal total embedding dimension")
+ call popt("M","maximal total embedding dimension")
+ call popt("t","minimal time separation")
+ call popt("n","minimal number of center points")
+ call popt("#","resolution, values per octave (2)")
+ call popt("K","maximal number of neighbours (100)")
+ call popt("I","seed for random numbers")
+ call popt("l","number of values to be read (all)")
+ call popt("x","number of values to be skipped (0)")
+ call popt("c","column(s) to be read (1 or file,#)")
+ call pout("file_c1")
+ call pall()
+ stop
+ end