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8023217: Additional floorDiv/floorMod/multiplyExact methods for java.lang.Math

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Add new methods with long, int signatures.

Reviewed-by: darcy, scolebourne
This commit is contained in:
Brian Burkhalter 2015-09-29 17:28:44 -07:00
parent 1a2c01a37c
commit 3497da36a2
11 changed files with 382 additions and 27 deletions
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4
jdk/src/java.base/share/classes/java/time/YearMonth.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2016, 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
@ -850,7 +850,7 @@ public final class YearMonth
long monthCount = year * 12L + (month - 1);
long calcMonths = monthCount + monthsToAdd; // safe overflow
int newYear = YEAR.checkValidIntValue(Math.floorDiv(calcMonths, 12));
int newMonth = (int)Math.floorMod(calcMonths, 12) + 1;
int newMonth = Math.floorMod(calcMonths, 12) + 1;
return with(newYear, newMonth);
}