Hi,
here a tiny patch for your consideration to have iGraph read in edge lists
using the function 'igraph_read_graph_dl' where nodes are given by integers
like
DL n=4
format = edgelist1
data:
1 2
2 3
2 4
The current version of the grammar (foreign-dl-parser.y) complains about a
line break after 'data:' which the tiny patch below amends.
Cheers,
J.
PATCH:
--- "a/foreign-dl-parser.y"
+++ "b/foreign-dl-parser.y"
@@ -181,7 +181,7 @@ labeledmatrixline: LABEL zerooneseq NEWLINE { } ;
edgelist1: FORMATEDGELIST1 newline edgelist1rest {} ;
-edgelist1rest: DATA edgelist1data {}
+edgelist1rest: DATA newline edgelist1data {}
| LABELS newline labels newline DATA newline edgelist1data {}
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