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less brain-dead way of calculating array size when reallocating (IDEA-73303)

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This commit is contained in:
Dmitry Jemerov
2012-06-11 16:47:18 +02:00
parent d772e3bdd1
commit 2986a63e1a
1 changed files with 15 additions and 6 deletions
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platform/core-impl/src/com/intellij/openapi/editor/ex/util/SegmentArray.java
+15 -6
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2009 JetBrains s.r.o.
* Copyright 2000-2012 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -72,8 +72,11 @@ public class SegmentArray {
if (newArraySize == 0) {
newArraySize = 16;
}
while (newArraySize <= index) {
newArraySize = newArraySize * 120 / 100;
else {
newArraySize = newArraySize * 12 / 10;
}
if (index >= newArraySize) {
newArraySize = index * 12 / 10;
}
int[] newArray = new int[newArraySize];
System.arraycopy(array, 0, newArray, 0, array.length);
@@ -89,8 +92,11 @@ public class SegmentArray {
if (newArraySize == 0) {
newArraySize = 16;
}
while (newArraySize <= index) {
newArraySize = newArraySize * 120 / 100;
else {
newArraySize = newArraySize * 12 / 10;
}
if (index >= newArraySize) {
newArraySize = index * 12 / 10;
}
T[] newArray = (T[])Array.newInstance(array.getClass().getComponentType(), newArraySize);
@@ -107,9 +113,12 @@ public class SegmentArray {
if (newArraySize == 0) {
newArraySize = 16;
}
while (newArraySize <= index) {
else {
newArraySize = newArraySize * 12 / 10;
}
if (index >= newArraySize) {
newArraySize = index * 12 / 10;
}
short[] newArray = new short[newArraySize];
System.arraycopy(array, 0, newArray, 0, array.length);
return newArray;