From f87a91c1c5c500757de8cf348c9141c62b8bd081 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kirill=20M=C3=BCller?= <kirill@cynkra.com>
Date: Fri, 29 Dec 2023 22:25:30 +0100
Subject: [PATCH] Un-ignore R+C 2

---
 R/aaa-auto.R                    | 11 +++++++++++
 src/cpp11.cpp                   |  2 ++
 src/rinterface.c                | 27 +++++++++++++++++++++++++++
 tools/stimulus/functions-R.yaml |  1 -
 4 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/R/aaa-auto.R b/R/aaa-auto.R
index 4a02754a5f..e962b0800f 100644
--- a/R/aaa-auto.R
+++ b/R/aaa-auto.R
@@ -13,6 +13,17 @@ empty_impl <- function(n=0, directed=TRUE) {
   res
 }
 
+add_edges_impl <- function(graph, edges) {
+  # Argument checks
+  ensure_igraph(graph)
+
+  on.exit( .Call(R_igraph_finalizer) )
+  # Function call
+  res <- .Call(R_igraph_add_edges, graph, edges)
+
+  res
+}
+
 copy_impl <- function(from) {
   # Argument checks
   ensure_igraph(from)
diff --git a/src/cpp11.cpp b/src/cpp11.cpp
index c1bdd9a6fe..ef691f87be 100644
--- a/src/cpp11.cpp
+++ b/src/cpp11.cpp
@@ -22,6 +22,7 @@ extern "C" SEXP _igraph_getsphere(SEXP spos, SEXP sradius, SEXP scolor, SEXP lig
 
 extern "C" {
 /* .Call calls */
+extern SEXP R_igraph_add_edges(void *, void *);
 extern SEXP R_igraph_add_edges_manual(void *, void *);
 extern SEXP R_igraph_add_env(void *);
 extern SEXP R_igraph_add_myid_to_env(void *);
@@ -480,6 +481,7 @@ extern SEXP promise_env_(void *);
 extern SEXP promise_expr_(void *);
 
 static const R_CallMethodDef CallEntries[] = {
+    {"R_igraph_add_edges",                                  (DL_FUNC) &R_igraph_add_edges,                                   2},
     {"R_igraph_add_edges_manual",                           (DL_FUNC) &R_igraph_add_edges_manual,                            2},
     {"R_igraph_add_env",                                    (DL_FUNC) &R_igraph_add_env,                                     1},
     {"R_igraph_add_myid_to_env",                            (DL_FUNC) &R_igraph_add_myid_to_env,                             1},
diff --git a/src/rinterface.c b/src/rinterface.c
index 12a9d2a527..c531e53444 100644
--- a/src/rinterface.c
+++ b/src/rinterface.c
@@ -58,6 +58,33 @@ SEXP R_igraph_empty(SEXP n, SEXP directed) {
   return(r_result);
 }
 
+/*-------------------------------------------/
+/ igraph_add_edges                           /
+/-------------------------------------------*/
+SEXP R_igraph_add_edges(SEXP graph, SEXP edges) {
+                                        /* Declarations */
+  igraph_t c_graph;
+  igraph_vector_int_t c_edges;
+
+
+  SEXP r_result;
+                                        /* Convert input */
+  R_SEXP_to_igraph_copy(graph, &c_graph);
+  IGRAPH_FINALLY(igraph_destroy, &c_graph);
+  R_SEXP_to_vector_int_copy(edges, &c_edges);
+                                        /* Call igraph */
+  IGRAPH_R_CHECK(igraph_add_edges(&c_graph, &c_edges, 0));
+
+                                        /* Convert output */
+  PROTECT(graph=R_igraph_to_SEXP(&c_graph));
+  IGRAPH_I_DESTROY(&c_graph);
+  IGRAPH_FINALLY_CLEAN(1);
+  r_result = graph;
+
+  UNPROTECT(1);
+  return(r_result);
+}
+
 /*-------------------------------------------/
 / igraph_copy                                /
 /-------------------------------------------*/
diff --git a/tools/stimulus/functions-R.yaml b/tools/stimulus/functions-R.yaml
index 42a738ec7f..e70242eacb 100644
--- a/tools/stimulus/functions-R.yaml
+++ b/tools/stimulus/functions-R.yaml
@@ -17,7 +17,6 @@ igraph_empty_attrs:
     IGNORE: RR, RC
 
 igraph_add_edges:
-    IGNORE: RR, RC, RInit
 
 igraph_add_vertices:
     IGNORE: RR, RC, RInit