Added 'div by zero' check in BExpression.java DIV command

abrensch · Nov 7, 2023 · 879371c · 879371c
1 parent 8f15385
commit 879371c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/brouter-expressions/src/main/java/btools/expressions/BExpression.java b/brouter-expressions/src/main/java/btools/expressions/BExpression.java
@@ -281,7 +281,7 @@ public float evaluate(BExpressionContext ctx) {
       case MULTIPLY_EXP:
         return op1.evaluate(ctx) * op2.evaluate(ctx);
       case DIV_EXP:
-        return op1.evaluate(ctx) / op2.evaluate(ctx);
+        return div(op1.evaluate(ctx), op2.evaluate(ctx));
       case MAX_EXP:
         return max(op1.evaluate(ctx), op2.evaluate(ctx));
       case MIN_EXP:
@@ -365,6 +365,11 @@ private float min(float v1, float v2) {
     return v1 < v2 ? v1 : v2;
   }
 
+  private float div(float v1, float v2) {
+    if (v2 == 0f) throw new IllegalArgumentException("div by zero");
+    return v1 / v2;
+  }
+
   @Override
   public String toString() {
     if (typ == NUMBER_EXP) {