/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.operator.aggregation;

final class FloatingPointBitsConverterUtil
{
    private FloatingPointBitsConverterUtil() {}

    /**
     * Converts a double value to a sortable long. The value is converted by getting their IEEE 754
     * floating-point bit layout. Some bits are swapped to be able to compare the result as long.
     */
    public static double sortableLongToDouble(long value)
    {
        value = value ^ (value >> 63) & Long.MAX_VALUE;
        return Double.longBitsToDouble(value);
    }

    /**
     * Converts a sortable long to double.
     *
     * @see #sortableLongToDouble(long)
     */
    public static long doubleToSortableLong(double value)
    {
        long bits = Double.doubleToRawLongBits(value);
        return bits ^ (bits >> 63) & Long.MAX_VALUE;
    }
}

@@ -936,16 +936,22 @@
 tic 
+long 
 double
- s
+ToS
 orta
@@ -957,29 +957,23 @@
 ableLong
-ToD
+(d
 ouble
-(long
  value)%0A
@@ -990,101 +990,106 @@
     
-value = value %5E (value %3E%3E 63) & Long.MAX_VALUE;%0A        return Double.longBitsToDouble(value)
+long bits = Double.doubleToRawLongBits(value);%0A        return bits %5E (bits %3E%3E 63) & Long.MAX_VALUE
 ;%0A  
@@ -1213,38 +1213,32 @@
 blic static 
-long 
 double
-ToS
+ s
 ortableLong(
@@ -1228,39 +1228,45 @@
 ble sortableLong
-(d
+ToD
 ouble
+(long
  value)%0A    %7B%0A  
@@ -1275,106 +1275,101 @@
     
-long bits = Double.doubleToRawLongBits(value);%0A        return bits %5E (bits %3E%3E 63) & Long.MAX_VALUE
+value = value %5E (value %3E%3E 63) & Long.MAX_VALUE;%0A        return Double.longBitsToDouble(value)
 ;%0A  

Fix comment for FloatingPointBitsConverterUtil