String.format is locale dependent (and more verbose)

1 files changed, 1 insertions, 3 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java b/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java
index 3a66eef258d..eabeb8905f7 100644
--- a/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java
+++ b/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java
@@ -245,7 +245,7 @@ public class ScalarFunctions {
         @Override
         public double applyAsDouble(double operand) { return scale * (operand >= 0.0 ? operand : alpha * (Math.exp(operand)-1)); }
         @Override
-        public String toString() { return String.format("f(a)(%f * if(a >= 0, a, %f*(exp(a)-1)))", scale, alpha); }
+        public String toString() { return "f(a)(" + scale + " * if(a >= 0, a, " + alpha + " * (exp(a) - 1)))"; }
     }
 
     public static class Sin implements DoubleUnaryOperator {
@@ -298,8 +298,6 @@ public class ScalarFunctions {
     }
 
 
-
-
     // Variable-length operators -----------------------------------------------------------------------------
 
     public static class EqualElements implements Function<List<Long>, Double> {