Replace Math.pow with simple * operator in ModExp precompile

ethereum · Aug 22, 2017 · 76fc7e9 · 76fc7e9
1 parent 1844b48
commit 76fc7e9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ethereumj-core/src/main/java/org/ethereum/vm/PrecompiledContracts.java b/ethereumj-core/src/main/java/org/ethereum/vm/PrecompiledContracts.java
@@ -254,7 +254,7 @@ public byte[] execute(byte[] data) {
 
         private long getMultComplexity(long x) {
 
-            long x2 = (long) Math.pow(x, 2);
+            long x2 = x * x;
 
             if (x <= 64)    return x2;
             if (x <= 1024)  return x2 / 4 + 96 * x - 3072;