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Merge pull request #443 from Saloni-2005/week-1-bandwidth
Continued Week 1 bandwidth
2 parents 7d62acb + a869453 commit 99aab68

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‎doc/metrics/metrics-family.rst‎

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@@ -33,13 +33,16 @@ Metrics - Family of functions
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* :doc:`pgr_betweennessCentrality` - Calculates relative betweenness centrality
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using Brandes Algorithm
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* :doc:`pgr_bandwidth` - Computes the bandwidth of a graph.
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.. experimental-end
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.. toctree::
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:hidden:
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pgr_degree
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pgr_betweennessCentrality
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pgr_bandwidth
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See Also
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-------------------------------------------------------------------------------

‎doc/src/pgRouting-introduction.rst‎

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@@ -145,6 +145,7 @@ Rajat Shinde,
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Razequl Islam,
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Regina Obe,
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Rohith Reddy,
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Saloni Kumari,
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Sarthak Agarwal,
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Shobhit Chaurasia,
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Sourabh Garg,

‎include/c_types/graph_bandwidth_rt.h‎

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/*PGR-GNU*****************************************************************
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File: graph_bandwidth_rt.h
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Copyright (c) 2025 pgRouting developers
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Mail: [email protected]
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Function's developer:
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Copyright (c) 2025 Saloni Kumari
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Mail: [email protected]
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********************************************************************PGR-GNU*/
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#ifndef INCLUDE_C_TYPES_GRAPH_BANDWIDTH_RT_H_
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#define INCLUDE_C_TYPES_GRAPH_BANDWIDTH_RT_H_
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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int id;
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int bandwidth;
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} GraphBandwidth_rt;
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#ifdef __cplusplus
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}
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#endif
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#endif // INCLUDE_C_TYPES_GRAPH_BANDWIDTH_RT_H_

‎include/drivers/metrics/bandwidth_driver.h‎

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/*PGR-GNU*****************************************************************
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File: bandwidth_driver.h
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Generated with Template by:
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Copyright (c) 2025 pgRouting developers
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Mail: [email protected]
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Function's developer:
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Copyright (c) 2025 Saloni Kumari
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Mail: [email protected]
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------
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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********************************************************************PGR-GNU*/
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#ifndef INCLUDE_DRIVERS_METRICS_BANDWIDTH_DRIVER_H_
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#define INCLUDE_DRIVERS_METRICS_BANDWIDTH_DRIVER_H_
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#pragma once
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/* for size_t */
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#ifdef __cplusplus
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# include <cstddef>
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using GraphBandwidth_rt = struct GraphBandwidth_rt;
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#else
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# include <stddef.h>
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# include <stdbool.h>
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typedef struct GraphBandwidth_rt GraphBandwidth_rt;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void
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pgr_bandwidth(
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const char* edges_sql,
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bool directed,
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GraphBandwidth_rt** result,
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size_t* result_count,
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char** log_msg,
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char** notice_msg);
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#ifdef __cplusplus
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}
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#endif
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#endif // INCLUDE_DRIVERS_METRICS_BANDWIDTH_DRIVER_H_

‎include/metrics/bandwidth.hpp‎

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/*PGR-GNU*****************************************************************
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File: bandwidth.hpp
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Copyright (c) 2025 pgRouting developers
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Mail: [email protected]
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Copyright (c) 2025 Saloni Kumari
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Mail: [email protected]
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------
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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********************************************************************PGR-GNU*/
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#ifndef INCLUDE_METRICS_BANDWIDTH_HPP_
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#define INCLUDE_METRICS_BANDWIDTH_HPP_
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#pragma once
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#include <vector>
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#include <limits>
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#include <boost/config.hpp>
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#include <boost/graph/adjacency_list.hpp>
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#include "c_types/iid_t_rt.h"
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#include "cpp_common/base_graph.hpp"
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#include "cpp_common/interruption.hpp"
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namespace pgrouting {
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namespace metrics {
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template <class G>
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int bandwidth(const G &graph) {
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CHECK_FOR_INTERRUPTS();
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using GraphType = typename std::remove_reference<decltype(graph.graph)>::type;
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using Vertex = typename boost::graph_traits<GraphType>::vertex_descriptor;
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int bw = std::numeric_limits<int>::max();
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// We need a vertex index map for consistent ordering
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auto index_map = boost::get(boost::vertex_index, graph.graph);
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// Loop over all edges to compute max absolute difference of vertex indices
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typename boost::graph_traits<GraphType>::edge_iterator ei, ei_end;
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for (boost::tie(ei, ei_end) = boost::edges(graph.graph); ei != ei_end; ++ei) {
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Vertex u = boost::source(*ei, graph.graph);
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Vertex v = boost::target(*ei, graph.graph);
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int diff = std::abs(static_cast<int>(index_map[u]) - static_cast<int>(index_map[v]));
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if (diff < bw) {
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bw = diff;
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}
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}
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// If graph has no edges, bandwidth is zero
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if (bw == std::numeric_limits<int>::max()) {
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bw = 0;
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}
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return bw;
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}
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} // namespace metrics
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} // namespace pgrouting
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#endif // INCLUDE_METRICS_BANDWIDTH_HPP_

‎include/process/bandwidth_process.h‎

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/*PGR-GNU*****************************************************************
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File: bandwidth_process.h
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Function's developer:
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Copyright (c) 2025 Saloni kumari
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Mail: [email protected]
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------
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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********************************************************************PGR-GNU*/
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#ifndef INCLUDE_PROCESS_METRICS_BANDWIDTH_PROCESS_H_
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#define INCLUDE_PROCESS_METRICS_BANDWIDTH_PROCESS_H_
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#pragma once
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#ifdef __cplusplus
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#include <cstddef>
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using GraphBandwidth_rt = struct GraphBandwidth_rt;
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#else
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#include <stddef.h>
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#include <stdbool.h>
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typedef struct GraphBandwidth_rt GraphBandwidth_rt;
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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void pgr_process_bandwidth(
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const char* edges_sql,
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GraphBandwidth_rt** result_tuples,
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size_t* result_count,
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char** log_msg,
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char** notice_msg);
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#ifdef __cplusplus
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}
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#endif
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#endif // INCLUDE_PROCESS_METRICS_BANDWIDTH_PROCESS_H_

‎locale/en/LC_MESSAGES/pgrouting_doc_strings.po‎

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msgstr ""
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"Project-Id-Version: pgRouting v3.8\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2025-05-31 14:26+0000\n"
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"POT-Creation-Date: 2025-06-07 22:16+0000\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <[email protected]>\n"
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"centrality using Brandes Algorithm"
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msgstr ""
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msgid ":doc:`pgr_bandwidth` - Computes the bandwidth of a graph."
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msgstr ""
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msgid ":doc:`TRSP-family`"
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msgstr ""
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"Nagase, Mahmoud Sakr, Manikata Kondeti, Mario Basa, Martin Wiesenhaan, "
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"Maxim Dubinin, Maoguang Wang, Mohamed Bakli, Mohamed Zia, Mukul Priya, "
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"Nitish Chauhan, Rajat Shinde, Razequl Islam, Regina Obe, Rohith Reddy, "
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"Sarthak Agarwal, Shobhit Chaurasia, Sourabh Garg, Stephen Woodbridge, "
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"Swapnil Joshi, Sylvain Housseman, Sylvain Pasche, Veenit Kumar, Vidhan "
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"Jain, Virginia Vergara, Yige Huang"
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"Saloni Kumari, Sarthak Agarwal, Shobhit Chaurasia, Sourabh Garg, Stephen "
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"Woodbridge, Swapnil Joshi, Sylvain Housseman, Sylvain Pasche, Veenit "
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"Kumar, Vidhan Jain, Virginia Vergara, Yige Huang"
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msgstr ""
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msgid "Corporate Sponsors (in alphabetical order)"

‎locale/pot/pgrouting_doc_strings.pot‎

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msgstr ""
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"Project-Id-Version: pgRouting v4.0\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2025-05-31 14:26+0000\n"
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"POT-Creation-Date: 2025-06-07 22:16+0000\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <[email protected]>\n"
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msgid ":doc:`pgr_betweennessCentrality` - Calculates relative betweenness centrality using Brandes Algorithm"
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msgstr ""
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msgid ":doc:`pgr_bandwidth` - Computes the bandwidth of a graph."
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msgstr ""
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msgid ":doc:`TRSP-family`"
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msgstr ""
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msgid "Individuals (in alphabetical order)"
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msgstr ""
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msgid "Aasheesh Tiwari, Abhinav Jain, Aditya Pratap Singh, Adrien Berchet, Akio Takubo, Andrea Nardelli, Anthony Tasca, Anton Patrushev, Aryan Gupta, Ashraf Hossain, Ashish Kumar, Aurélie Bousquet, Cayetano Benavent, Christian Gonzalez, Daniel Kastl, Dapeng Wang, Dave Potts, David Techer, Denis Rykov, Ema Miyawaki, Esteban Zimanyi, Florian Thurkow, Frederic Junod, Gerald Fenoy, Gudesa Venkata Sai Akhil, Hang Wu, Himanshu Raj, Imre Samu, Jay Mahadeokar, Jinfu Leng, Kai Behncke, Kishore Kumar, Ko Nagase, Mahmoud Sakr, Manikata Kondeti, Mario Basa, Martin Wiesenhaan, Maxim Dubinin, Maoguang Wang, Mohamed Bakli, Mohamed Zia, Mukul Priya, Nitish Chauhan, Rajat Shinde, Razequl Islam, Regina Obe, Rohith Reddy, Sarthak Agarwal, Shobhit Chaurasia, Sourabh Garg, Stephen Woodbridge, Swapnil Joshi, Sylvain Housseman, Sylvain Pasche, Veenit Kumar, Vidhan Jain, Virginia Vergara, Yige Huang"
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msgid "Aasheesh Tiwari, Abhinav Jain, Aditya Pratap Singh, Adrien Berchet, Akio Takubo, Andrea Nardelli, Anthony Tasca, Anton Patrushev, Aryan Gupta, Ashraf Hossain, Ashish Kumar, Aurélie Bousquet, Cayetano Benavent, Christian Gonzalez, Daniel Kastl, Dapeng Wang, Dave Potts, David Techer, Denis Rykov, Ema Miyawaki, Esteban Zimanyi, Florian Thurkow, Frederic Junod, Gerald Fenoy, Gudesa Venkata Sai Akhil, Hang Wu, Himanshu Raj, Imre Samu, Jay Mahadeokar, Jinfu Leng, Kai Behncke, Kishore Kumar, Ko Nagase, Mahmoud Sakr, Manikata Kondeti, Mario Basa, Martin Wiesenhaan, Maxim Dubinin, Maoguang Wang, Mohamed Bakli, Mohamed Zia, Mukul Priya, Nitish Chauhan, Rajat Shinde, Razequl Islam, Regina Obe, Rohith Reddy, Saloni Kumari, Sarthak Agarwal, Shobhit Chaurasia, Sourabh Garg, Stephen Woodbridge, Swapnil Joshi, Sylvain Housseman, Sylvain Pasche, Veenit Kumar, Vidhan Jain, Virginia Vergara, Yige Huang"
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msgstr ""
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msgid "Corporate Sponsors (in alphabetical order)"

‎sql/metrics/CMakeLists.txt‎

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_betweennessCentrality.sql
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betweennessCentrality.sql
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degree.sql
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_bandwidth.sql
7+
bandwidth.sql
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)
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foreach (f ${LOCAL_FILES})

‎sql/metrics/_bandwidth.sql‎

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/*PGR-GNU*****************************************************************
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File: _bandwidth.sql
4+
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Template:
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Copyright (c) 2025 pgRouting developers
7+
Mail: [email protected]
8+
9+
Function developer:
10+
Copyright (c) 2025 Saloni Kumari
11+
Mail: [email protected]
12+
13+
This program is free software; you can redistribute it and/or modify
14+
it under the terms of the GNU General Public License as published by
15+
the Free Software Foundation; either version 2 of the License, or
16+
(at your option) any later version.
17+
18+
This program is distributed in the hope that it will be useful,
19+
but WITHOUT ANY WARRANTY; without even the implied warranty of
20+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21+
GNU General Public License for more details.
22+
23+
You should have received a copy of the GNU General Public License
24+
along with this program; if not, write to the Free Software
25+
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26+
27+
********************************************************************PGR-GNU*/
28+
29+
--------------------------------
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-- _pgr_bandwidth
31+
--------------------------------
32+
--v3.4.0
33+
CREATE FUNCTION _pgr_bandwidth(
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edges_sql TEXT,
35+
directed BOOLEAN,
36+
37+
OUT graph_id INTEGER,
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OUT bandwidth INTEGER
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)
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RETURNS SETOF RECORD AS
41+
'MODULE_PATHNAME'
42+
LANGUAGE C VOLATILE STRICT;
43+
44+
-- Comment
45+
COMMENT ON FUNCTION _pgr_bandwidth(TEXT, BOOLEAN)
46+
IS 'pgRouting internal function';

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