fixed npe

Lukas Molzberger · Lukas Molzberger · commit 9d7107072ac7 · 2019-07-28T12:56:14.000+02:00
diff --git a/src/main/java/network/aika/neuron/activation/Activation.java b/src/main/java/network/aika/neuron/activation/Activation.java
@@ -449,7 +449,7 @@ public State computeValueAndWeight(SearchNode sn) throws RecursiveDepthExceededE
                 actValue,
                 actUBValue,
                 net,
-                net > 0.0 ? fired + (getType() == EXCITATORY ? 1 : 0) : null,
+                net > 0.0 ? (fired != null ? fired : 0) + (getType() == EXCITATORY ? 1 : 0) : null,
                 newWeight
         );
     }

Original file line number	Diff line number	Diff line change
`@@ -449,7 +449,7 @@ public State computeValueAndWeight(SearchNode sn) throws RecursiveDepthExceededE`
`449`	`449`	`actValue,`
`450`	`450`	`actUBValue,`
`451`	`451`	`net,`
`452`		`- net > 0.0 ? fired + (getType() == EXCITATORY ? 1 : 0) : null,`
	`452`	`+ net > 0.0 ? (fired != null ? fired : 0) + (getType() == EXCITATORY ? 1 : 0) : null,`
`453`	`453`	`newWeight`
`454`	`454`	`);`
`455`	`455`	`}`