diff --git a/src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java b/src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
index 330127afc..16265b32a 100644
--- a/src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -4,6 +4,7 @@ import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.exceptions.TypeinferenceException;
 import de.dhbwstuttgart.parser.NullToken;
 import de.dhbwstuttgart.parser.SyntaxTreeGenerator.AssignToLocal;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
 import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
@@ -18,6 +19,7 @@ import de.dhbwstuttgart.typeinference.unify.model.PairOperator;
 
 import java.util.*;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class TYPEStmt implements StatementVisitor{
 
@@ -374,24 +376,34 @@ public class TYPEStmt implements StatementVisitor{
     		constraintsSet.addUndConstraint(new Pair(literal.getType(), doublee, PairOperator.EQUALSDOT));
     		return;
     	}
-    	if (literal.value instanceof Double) { 
+    	if (literal.value instanceof Long) { 
     		constraintsSet.addUndConstraint(new Pair(literal.getType(), longg, PairOperator.EQUALSDOT));
     		return;
     	}
     	if (literal.value instanceof Integer) { 
     		//constraintsSet.addUndConstraint(new Pair(literal.getType(),integer, PairOperator.EQUALSDOT)); 
     		// /*
+    		HashSet<JavaClassName> clNames = info.getAvailableClasses().stream().map(x -> x.getClassName()).collect(Collectors.toCollection(HashSet::new));
     		Set<Constraint> oderConstraints = new HashSet<>();
     		Constraint constraint = new Constraint();
     		constraint.add(new Pair(literal.getType(), integer, PairOperator.EQUALSDOT));
     		oderConstraints.add(constraint);
-    		constraint = new Constraint();
-            constraint.add(new Pair(literal.getType(), doublee, PairOperator.EQUALSDOT));
-            oderConstraints.add(constraint);
-            constraint = new Constraint();
-            constraint.add(new Pair(literal.getType(), longg, PairOperator.EQUALSDOT));
-            oderConstraints.add(constraint);
-    		constraintsSet.addOderConstraint(oderConstraints);
+    		if (clNames.stream().filter(x -> x.toString().equals("java.lang.Double")).findAny().isPresent()) {
+    			constraint = new Constraint();
+    			constraint.add(new Pair(literal.getType(), doublee, PairOperator.EQUALSDOT));
+    			oderConstraints.add(constraint);
+    		}
+        	if (clNames.stream().filter(x -> x.toString().equals("java.lang.Long")).findAny().isPresent()) {
+        		constraint = new Constraint();
+        		constraint.add(new Pair(literal.getType(), longg, PairOperator.EQUALSDOT));
+        		oderConstraints.add(constraint);
+        	}
+        	if (clNames.stream().filter(x -> x.toString().equals("java.lang.Float")).findAny().isPresent()) {
+        		constraint = new Constraint();
+        		constraint.add(new Pair(literal.getType(), floatt, PairOperator.EQUALSDOT));
+        		oderConstraints.add(constraint);
+        	}
+        	constraintsSet.addOderConstraint(oderConstraints);
     		// */
     		return;
     	}
diff --git a/test/bytecode/javFiles/Matrix.jav b/test/bytecode/javFiles/Matrix.jav
index 61c601108..bfe523b6a 100644
--- a/test/bytecode/javFiles/Matrix.jav
+++ b/test/bytecode/javFiles/Matrix.jav
@@ -1,5 +1,6 @@
 import java.util.Vector;
 import java.lang.Integer;
+import java.lang.Float;
 //import java.lang.Byte;
 import java.lang.Boolean;