## src/share/classes/java/lang/StrictMath.java

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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this

@@ -611,15 +611,12 @@
* @return the value {@code a}<sup>{@code b}</sup>.
*/
public static native double pow(double a, double b);
/**
- * Returns the closest {@code int} to the argument. The
- * result is rounded to an integer by adding 1/2, taking the
- * floor of the result, and casting the result to type {@code int}.
- * In other words, the result is equal to the value of the expression:
- * <p>{@code (int)Math.floor(a + 0.5f)}
+ * Returns the closest {@code int} to the argument, with ties
+ * rounding up.
*
* <p>Special cases:
* <ul><li>If the argument is NaN, the result is 0.
* <li>If the argument is negative infinity or any value less than or
* equal to the value of {@code Integer.MIN_VALUE}, the result is

@@ -633,19 +630,16 @@
* {@code int} value.
* @see java.lang.Integer#MAX_VALUE
* @see java.lang.Integer#MIN_VALUE
*/
public static int round(float a) {
- return (int)floor(a + 0.5f);
+ return Math.round(a);
}
/**
- * Returns the closest {@code long} to the argument. The result
- * is rounded to an integer by adding 1/2, taking the floor of the
- * result, and casting the result to type {@code long}. In other
- * words, the result is equal to the value of the expression:
- * <p>{@code (long)Math.floor(a + 0.5d)}
+ * Returns the closest {@code long} to the argument, with ties
+ * rounding up.
*
* <p>Special cases:
* <ul><li>If the argument is NaN, the result is 0.
* <li>If the argument is negative infinity or any value less than or
* equal to the value of {@code Long.MIN_VALUE}, the result is

@@ -660,11 +654,11 @@
* {@code long} value.
* @see java.lang.Long#MAX_VALUE
* @see java.lang.Long#MIN_VALUE
*/
public static long round(double a) {
- return (long)floor(a + 0.5d);
+ return Math.round(a);
}
private static Random randomNumberGenerator;
private static synchronized Random initRNG() {