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Replaced Vector.hashCode with a more reliable method

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This commit is contained in:
Dinnerbone 2011-02-19 23:11:56 +00:00
parent 3f971e42eb
commit e5db796188
1 changed files with 6 additions and 5 deletions
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11
src/main/java/org/bukkit/util/Vector.java
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@ -526,16 +526,17 @@ public class Vector implements Cloneable {
} }
/** /**
* Returns a hash code for this vector. Due to floating point errors, this * Returns a hash code for this vector
* hash code should not be used in hash tables of any sort.
* *
* @return hash code * @return hash code
*/ */
@Override @Override
public int hashCode() { public int hashCode() {
return ((int)Double.doubleToLongBits(x) >> 13) ^ int hash = 7;
((int)Double.doubleToLongBits(y) >> 7) ^ hash = 79 * hash + (int) (Double.doubleToLongBits(this.x) ^ (Double.doubleToLongBits(this.x) >>> 32));
(int)Double.doubleToLongBits(z); hash = 79 * hash + (int) (Double.doubleToLongBits(this.y) ^ (Double.doubleToLongBits(this.y) >>> 32));
hash = 79 * hash + (int) (Double.doubleToLongBits(this.z) ^ (Double.doubleToLongBits(this.z) >>> 32));
return hash;
} }
/** /**