ALPS MPS Codes
Reference documentation.
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
factory_lattice.hpp
Go to the documentation of this file.
1 /*****************************************************************************
2  *
3  * ALPS MPS DMRG Project
4  *
5  * Copyright (C) 2013 Institute for Theoretical Physics, ETH Zurich
6  * 2011-2011 by Michele Dolfi <dolfim@phys.ethz.ch>
7  *
8  * This software is part of the ALPS Applications, published under the ALPS
9  * Application License; you can use, redistribute it and/or modify it under
10  * the terms of the license, either version 1 or (at your option) any later
11  * version.
12  *
13  * You should have received a copy of the ALPS Application License along with
14  * the ALPS Applications; see the file LICENSE.txt. If not, the license is also
15  * available from http://alps.comp-phys.org/.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
20  * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
21  * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23  * DEALINGS IN THE SOFTWARE.
24  *
25  *****************************************************************************/
26 
27 #ifndef MAQUIS_DMRG_MODELS_CODED_FACTORY_LATTICE_H
28 #define MAQUIS_DMRG_MODELS_CODED_FACTORY_LATTICE_H
29 
31 
32 inline boost::shared_ptr<lattice_impl>
34 {
35  typedef boost::shared_ptr<lattice_impl> impl_ptr;
36  if (parms["LATTICE"] == std::string("periodic chain lattice"))
37  return impl_ptr(new ChainLattice(parms, true));
38  else if (parms["LATTICE"] == std::string("chain lattice"))
39  return impl_ptr(new ChainLattice(parms, false));
40  else if (parms["LATTICE"] == std::string("open chain lattice"))
41  return impl_ptr(new ChainLattice(parms, false));
42  else if (parms["LATTICE"] == std::string("square lattice"))
43  return impl_ptr(new SquareLattice(parms));
44  else if (parms["LATTICE"] == std::string("open square lattice"))
45  return impl_ptr(new SquareLattice(parms));
46  else {
47  throw std::runtime_error("Don't know this lattice!");
48  }
49 }
50 
51 #endif
boost::shared_ptr< lattice_impl > coded_lattice_factory(BaseParameters &parms)