Merge pull request #22340 from JuliaLang/jn/incremental-better-backedges

better, simpler incremental backedges
JuliaLang · Jun 16, 2017 · 9e563ba · 9e563ba
2 parents e84f0e5 + 0e19311
commit 9e563ba
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diff --git a/src/array.c b/src/array.c
@@ -1016,6 +1016,19 @@ JL_DLLEXPORT void jl_array_ptr_1d_push(jl_array_t *a, jl_value_t *item)
     jl_array_ptr_set(a, n - 1, item);
 }
 
+JL_DLLEXPORT void jl_array_ptr_1d_append(jl_array_t *a, jl_array_t *a2)
+{
+    assert(jl_typeis(a, jl_array_any_type));
+    assert(jl_typeis(a2, jl_array_any_type));
+    size_t i;
+    size_t n = jl_array_nrows(a);
+    size_t n2 = jl_array_nrows(a2);
+    jl_array_grow_end(a, n2);
+    for (i = 0; i < n2; i++) {
+        jl_array_ptr_set(a, n + i, jl_array_ptr_ref(a2, i));
+    }
+}
+
 JL_DLLEXPORT void jl_array_ptr_1d_push2(jl_array_t *a, jl_value_t *b, jl_value_t *c)
 {
     assert(jl_typeis(a, jl_array_any_type));