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-rw-r--r--layer/init.lua13
1 files changed, 13 insertions, 0 deletions
diff --git a/layer/init.lua b/layer/init.lua
index a98621d..4881cb7 100644
--- a/layer/init.lua
+++ b/layer/init.lua
@@ -44,3 +44,16 @@ end
function nerv.Layer:back_propagate(next_bp_err, bp_err, input, output)
nerv.error_method_not_implemented()
end
+
+function nerv.Layer:check_dim_len(len_in, len_out)
+ local expected_in = table.getn(self.dim_in)
+ local expected_out = table.getn(self.dim_out)
+ if len_in > 0 and expected_in ~= len_in then
+ nerv.error("layer %s expects %d inputs, %d given",
+ self.id, len_in, expected_in)
+ end
+ if len_out > 0 and expected_out ~= len_out then
+ nerv.error("layer %s expects %d outputs, %d given",
+ self.id, len_out, expected_out)
+ end
+end