added entries dice loss

src/main/grammars/de/monticore/lang/monticar/CNNTrain.mc4

@@ -91,6 +91,9 @@ grammar CNNTrain extends de.monticore.lang.monticar.Common2, de.monticore.Number
     interface SoftmaxCrossEntropyIgnoreIndicesEntry extends Entry;
     SoftmaxCrossEntropyIgnoreIndicesLoss implements LossValue = name:"softmax_cross_entropy_ignore_indices" ("{" params:SoftmaxCrossEntropyIgnoreIndicesEntry* "}")?;
 
+    interface DiceEntry extends Entry;
+    DiceLoss implements LossValue = name:"dice_loss" ("{" params:DiceEntry* "}")?;
+
     SigmoidBinaryCrossEntropyLoss implements LossValue = name:"sigmoid_binary_cross_entropy" ("{" params:Entry* "}")?;
 
     interface HingeEntry extends Entry;
@@ -105,13 +108,14 @@ grammar CNNTrain extends de.monticore.lang.monticar.Common2, de.monticore.Number
     interface KullbackLeiblerEntry extends Entry;
     KullbackLeiblerLoss implements LossValue = name:"kullback_leibler" ("{" params:KullbackLeiblerEntry* "}")?;
 
-    SparseLabelEntry implements CrossEntropyEntry, SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry = name:"sparse_label" ":" value:BooleanValue;
-    FromLogitsEntry implements SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry, KullbackLeiblerEntry = name:"from_logits" ":" value:BooleanValue;
-    LossAxisEntry implements CrossEntropyEntry, SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry = name:"loss_axis" ":" value:IntegerValue;
-    BatchAxisEntry implements CrossEntropyEntry, SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry = name:"batch_axis" ":" value:IntegerValue;
+    SparseLabelEntry implements CrossEntropyEntry, SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry, DiceEntry = name:"sparse_label" ":" value:BooleanValue;
+    FromLogitsEntry implements SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry, KullbackLeiblerEntry, DiceEntry = name:"from_logits" ":" value:BooleanValue;
+    LossAxisEntry implements CrossEntropyEntry, SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry, DiceEntry = name:"loss_axis" ":" value:IntegerValue;
+    BatchAxisEntry implements CrossEntropyEntry, SoftmaxCrossEntropyEntry, SoftmaxCrossEntropyIgnoreIndicesEntry, DiceEntry = name:"batch_axis" ":" value:IntegerValue;
     IgnoreIndicesEntry implements SoftmaxCrossEntropyIgnoreIndicesEntry = name:"ignore_indices" ":" value:IntegerValue;
     MarginEntry implements HingeEntry, SquaredHingeEntry = name:"margin" ":" value:NumberValue;
     LabelFormatEntry implements LogisticEntry = name:"label_format" ":" value:StringValue;
+    //DiceWeight implements DiceEntry = name: "dice_weight" ":" value:DoubleVectorValue;
 
     interface OptimizerValue extends ConfigValue;
     interface SGDEntry extends OptimizerParamEntry;

src/main/java/de/monticore/lang/monticar/cnntrain/_cocos/ParameterAlgorithmMapping.java

@@ -51,6 +51,7 @@ class ParameterAlgorithmMapping {
         ASTBatchAxisEntry.class,
         ASTFromLogitsEntry.class,
         ASTIgnoreIndicesEntry.class,
+        //ASTDiceWeightEntry.class,
         ASTMarginEntry.class,
         ASTLabelFormatEntry.class,
         ASTRhoEntry.class,

src/test/resources/valid_tests/FullConfig3.cnnt

+/* (c) https://github.com/MontiCore/monticore */
+configuration FullConfig{
+     num_epoch : 5
+     batch_size : 100
+     load_checkpoint : true
+     eval_metric : mse
+     loss: dice_loss{
+        sparse_label: true
+        from_logits: true
+        loss_axis : -1
+        batch_axis: 0
+     }
+     context : gpu
+     normalize : true
+     optimizer : rmsprop{
+         learning_rate : 0.001
+         learning_rate_minimum : 0.00001
+         weight_decay : 0.01
+         learning_rate_decay : 0.9
+         learning_rate_policy : step
+         step_size : 1000
+         rescale_grad : 1.1
+         clip_gradient : 10
+         gamma1 : 0.9
+         gamma2 : 0.9
+         epsilon : 0.000001
+         centered : true
+         clip_weights : 10
+     }
+}