Added LSTM example (not tested yet with actual values)

unit_tests/operator/Test_MetaOperator.cpp

@@ -24,7 +24,8 @@
 
 using namespace Aidge;
 
-TEST_CASE("[cpu/operator] MetaOperator/PaddedConv(forward)", "[MetaOperator][PaddedConv][CPU]") {
+TEST_CASE("[cpu/operator] MetaOperator", "[MetaOperator][CPU]") {
+  SECTION("PaddedConv(forward)") {
     std::shared_ptr<Tensor> myWeights = std::make_shared<Tensor>(
             Array4D<double, 4, 3, 3, 3>{{{{{6.20986394e-01, 1.19775136e-03, 7.22876095e-02},
                                           {1.16492919e-01, 8.21634093e-02, 1.17413265e-01},
@@ -187,4 +188,37 @@ TEST_CASE("[cpu/operator] MetaOperator/PaddedConv(forward)", "[MetaOperator][Pad
 
     std::shared_ptr<Node> myPaddedConv =
             PaddedConv(3, 4, {3, 3}, "myPaddedConv", {1, 1}, {1, 1, 1, 1});
+  }
+  
+    SECTION("LTSM(forward)") {
+        auto myLSTM = LTSM(32, 64, 16, "ltsm");
+        auto op = std::static_pointer_cast<OperatorTensor>(myLSTM->getOperator());
+
+        auto microGraph = std::dynamic_pointer_cast<MetaOperator_Op>(op)->getMicroGraph();
+        microGraph->save("lstm", false, false);
+
+        REQUIRE(myLSTM->nbInputs() == 3);
+        REQUIRE(myLSTM->nbData() == 3);
+        REQUIRE(myLSTM->nbOutputs() == 2);
+
+        std::shared_ptr<Tensor> myInput = std::make_shared<Tensor>(
+            Array1D<float, 32>{{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0}});
+        std::shared_ptr<Tensor> myInit = std::make_shared<Tensor>(
+            Array2D<float, 1, 64>{{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}});
+
+        op->associateInput(0, myInput);
+        op->associateInput(1, myInit);
+        op->associateInput(2, myInit);
+
+        op->computeOutputDims();
+        REQUIRE(op->outputDimsForwarded());
+        microGraph->save("lstm_dims", false, false);
+
+        op->setDataType(DataType::Float32);
+        op->setBackend("cpu");
+
+        op->forward();
+        auto microGraphScheduler = std::dynamic_pointer_cast<MetaOperator_Op>(op)->getMicroGraphScheduler();
+        microGraphScheduler->saveSchedulingDiagram("lstm_scheduling");
+    }
 }
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