1 c===========================================================================
3 c This file is part of TISEAN
5 c Copyright (c) 1998-2007 Rainer Hegger, Holger Kantz, Thomas Schreiber
7 c TISEAN is free software; you can redistribute it and/or modify
8 c it under the terms of the GNU General Public License as published by
9 c the Free Software Foundation; either version 2 of the License, or
10 c (at your option) any later version.
12 c TISEAN is distributed in the hope that it will be useful,
13 c but WITHOUT ANY WARRANTY; without even the implied warranty of
14 c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 c GNU General Public License for more details.
17 c You should have received a copy of the GNU General Public License
18 c along with TISEAN; if not, write to the Free Software
19 c Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 c===========================================================================
22 c utilities for TISEAN f-sources
25 c find smallest factorisable number .ge.n
28 1 if(isfact(nmore).eq.1) return
34 c find largest factorisable number .le.n
37 1 if(isfact(nless).eq.1) return
43 c determine if n is factorisable using the first nprimes primes
45 dimension iprime(nprimes)
50 1 if(ncur.eq.1) return
52 if(mod(ncur,iprime(i)).eq.0) then