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/*PGR-GNU*****************************************************************
File: bellman_ford_neg.sql
Copyright (c) 2015 pgRouting developers
Mail: project@pgrouting.org
Copyright (c) 2018 Sourabh Garg
Mail: sourabh.garg.mat@gmail.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*/
-------------------------
-------------------------
-- bellman_ford
-------------------------
-------------------------
--v3.0
CREATE FUNCTION _pgr_bellmanFord(
edges_sql TEXT,
from_vids ANYARRAY,
to_vids ANYARRAY,
directed BOOLEAN,
only_cost BOOLEAN,
OUT seq INTEGER,
OUT path_seq INTEGER,
OUT start_vid BIGINT,
OUT end_vid BIGINT,
OUT node BIGINT,
OUT edge BIGINT,
OUT cost FLOAT,
OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
'MODULE_PATHNAME'
LANGUAGE c IMMUTABLE STRICT;
--v3.2
CREATE FUNCTION _pgr_bellmanFord(
edges_sql TEXT,
combinations_sql TEXT,
directed BOOLEAN,
only_cost BOOLEAN,
OUT seq INTEGER,
OUT path_seq INTEGER,
OUT start_vid BIGINT,
OUT end_vid BIGINT,
OUT node BIGINT,
OUT edge BIGINT,
OUT cost FLOAT,
OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE STRICT;
COMMENT ON FUNCTION _pgr_bellmanFord(TEXT, ANYARRAY, ANYARRAY, BOOLEAN, BOOLEAN)
IS 'pgRouting internal function';
COMMENT ON FUNCTION _pgr_bellmanFord(TEXT, TEXT, BOOLEAN, BOOLEAN)
IS 'pgRouting internal function';
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