File: _TSP.sql

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/*PGR-GNU*****************************************************************

Copyright (c) 2016 pgRouting developers
Mail: project@pgrouting.org

Copyright (c) 2016 Celia Virginia Vergara Castillo
mail: vicky_vergara@hotmail.com

------

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 ********************************************************************PGR-GNU*/


-------------
-- tsp
-------------


--v3.0
CREATE FUNCTION _pgr_TSP(
    matrix_row_sql TEXT,
    start_id BIGINT DEFAULT 0,
    end_id BIGINT DEFAULT 0,

    max_processing_time FLOAT DEFAULT '+infinity'::FLOAT,

    tries_per_temperature INTEGER DEFAULT 500,
    max_changes_per_temperature INTEGER DEFAULT 60,
    max_consecutive_non_changes INTEGER DEFAULT 100,

    initial_temperature FLOAT DEFAULT 100,
    final_temperature FLOAT DEFAULT 0.1,
    cooling_factor FLOAT DEFAULT 0.9,

    randomize BOOLEAN DEFAULT true,

    OUT seq INTEGER,
    OUT node BIGINT,
    OUT cost FLOAT,
    OUT agg_cost FLOAT)
RETURNS SETOF record
AS 'MODULE_PATHNAME'
LANGUAGE c VOLATILE STRICT;


-- COMMENTS

COMMENT ON FUNCTION _pgr_TSP(TEXT, BIGINT, BIGINT, FLOAT, INTEGER, INTEGER, INTEGER, FLOAT, FLOAT, FLOAT, BOOLEAN)
IS 'pgRouting internal function';