[ library(graph_algorithms) | The ECLiPSe Libraries | Reference Manual | Alphabetic Index ]

graph_get_edge(+Graph, +Source, +Target, -Edge)

Finds a graph edge given source and target node
Graph
a graph structure
Source
an integer node number
Target
an integer node number
Edge
an e/3 edge structure

Description

This operation is linear in the number of edges adjacent to Source.

Modes and Determinism

Fail Conditions

Fails if no matching edge exists

See Also

graph_get_all_edges / 2, graph_get_adjacent_edges / 3, graph_edge / 2, graph_adjacent_edge / 3, graph_get_edges / 4