Remove unnecessary multiplication by 1.0

Author: elharo

presto-hive/src/test/java/com/facebook/presto/hive/benchmark/HiveFileFormatBenchmark.java

@@ -590,7 +590,7 @@ public static void main(String[] args)
         for (RunResult result : results) {
             Statistics inputSizeStats = result.getSecondaryResults().get("inputSize").getStatistics();
             Statistics outputSizeStats = result.getSecondaryResults().get("outputSize").getStatistics();
-            double compressionRatio = 1.0 * inputSizeStats.getSum() / outputSizeStats.getSum();
+            double compressionRatio = inputSizeStats.getSum() / outputSizeStats.getSum();
             String compression = result.getParams().getParam("compression");
             String fileFormat = result.getParams().getParam("fileFormat");
             String dataSet = result.getParams().getParam("dataSet");

presto-main/src/main/java/com/facebook/presto/operator/scalar/ColorFunctions.java

@@ -130,7 +130,7 @@ public static long color(
             @SqlType(ColorType.NAME) long lowColor,
             @SqlType(ColorType.NAME) long highColor)
     {
-        return color((value - low) * 1.0 / (high - low), lowColor, highColor);
+        return color((value - low) / (high - low), lowColor, highColor);
     }
 
     /**