Merge pull request #25764 from alexlyulkov:al/cumsum-fix

Fixed cumsum layer, enabled conformance tests

modules/dnn/src/layers/cumsum_layer.cpp

@@ -36,7 +36,7 @@ public:
                          std::vector<MatShape> &outputs,
                          std::vector<MatShape> &internals) const CV_OVERRIDE
     {
-        Layer::getMemoryShapes(inputs, requiredOutputs, outputs, internals);
+        outputs.assign(1, inputs[0]);
         return exclusive_raw == 0;
     }
 

modules/dnn/test/test_onnx_conformance_layer_parser_denylist.inl.hpp

@@ -438,11 +438,3 @@
 "test_unsqueeze_three_axes",  // ---- same as above ---
 "test_unsqueeze_two_axes",   // ---- same as above ---)
 "test_unsqueeze_unsorted_axes",  // ---- same as above ---)
-// // Cumsum related issue: https://github.com/opencv/opencv/issues/24437
-"test_cumsum_1d", //Issue:: output shape creation mismatch
-"test_cumsum_1d_exclusive",  // ---- same as above ---
-"test_cumsum_1d_reverse",  // ---- same as above ---
-"test_cumsum_1d_reverse_exclusive",  // ---- same as above ---
-"test_cumsum_2d_axis_0",  // ---- same as above ---
-"test_cumsum_2d_axis_1",  // ---- same as above ---
-"test_cumsum_2d_negative_axis",  // ---- same as above ---