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2004-08-29 Mark Wielaard <mark@klomp.org>

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* java/util/Arrays.java
	(sort(byte[], int, int)): Check fromIndex < 0.
	(sort(char[], int, int)): Likewise.
	(sort(short[], int, int)): Likewise.
	(sort(int[], int, int)): Likewise.
	(sort(long[], int, int)): Likewise.
	(sort(float[], int, int)): Likewise.
	(sort(double[], int, int)): Likewise.
	(sort(Object[], int, int, Comparator)): Likewise.
	(qsort(byte[], int, int)): Honor lower bound from in insertion sort.
	(qsort(char[], int, int)): Likewise.
	(qsort(short[], int, int)): Likewise.
	(qsort(int[], int, int)): Likewise.
	(qsort(long[], int, int)): Likewise.
	(qsort(float[], int, int)): Likewise.
	(qsort(double[], int, int)): Likewise.

From-SVN: r86734
This commit is contained in:
Mark Wielaard 2004-08-29 20:16:22 +00:00 committed by Andreas Tobler
parent 4ca1f68f88
commit 6cd655a302
2 changed files with 45 additions and 9 deletions
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19
libjava/ChangeLog
View File

@ -1,3 +1,22 @@
2004-08-29 Mark Wielaard <mark@klomp.org>
* java/util/Arrays.java
(sort(byte[], int, int)): Check fromIndex < 0.
(sort(char[], int, int)): Likewise.
(sort(short[], int, int)): Likewise.
(sort(int[], int, int)): Likewise.
(sort(long[], int, int)): Likewise.
(sort(float[], int, int)): Likewise.
(sort(double[], int, int)): Likewise.
(sort(Object[], int, int, Comparator)): Likewise.
(qsort(byte[], int, int)): Honor lower bound from in insertion sort.
(qsort(char[], int, int)): Likewise.
(qsort(short[], int, int)): Likewise.
(qsort(int[], int, int)): Likewise.
(qsort(long[], int, int)): Likewise.
(qsort(float[], int, int)): Likewise.
(qsort(double[], int, int)): Likewise.
2004-08-29 Andrew John Hughes <gnu_andrew@member.fsf.org>
* java/util/AbstractCollection.java, java/util/AbstractList.java,

35
libjava/java/util/Arrays.java
View File

@ -1,5 +1,6 @@
/* Arrays.java -- Utility class with methods to operate on arrays
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -968,6 +969,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -1028,7 +1031,7 @@ public class Arrays
if (count <= 7)
{
for (int i = from + 1; i < from + count; i++)
for (int j = i; j > 0 && array[j - 1] > array[j]; j--)
for (int j = i; j > from && array[j - 1] > array[j]; j--)
swap(j, j - 1, array);
return;
}
@ -1130,6 +1133,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -1190,7 +1195,7 @@ public class Arrays
if (count <= 7)
{
for (int i = from + 1; i < from + count; i++)
for (int j = i; j > 0 && array[j - 1] > array[j]; j--)
for (int j = i; j > from && array[j - 1] > array[j]; j--)
swap(j, j - 1, array);
return;
}
@ -1292,6 +1297,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -1352,8 +1359,8 @@ public class Arrays
if (count <= 7)
{
for (int i = from + 1; i < from + count; i++)
for (int j = i; j > 0 && array[j - 1] > array[j]; j--)
swap(j, j - 1, array);
for (int j = i; j > from && array[j - 1] > array[j]; j--)
swap(j, j - 1, array);
return;
}
@ -1454,6 +1461,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -1526,7 +1535,7 @@ public class Arrays
if (count <= 7)
{
for (int i = from + 1; i < from + count; i++)
for (int j = i; j > 0 && array[j - 1] > array[j]; j--)
for (int j = i; j > from && array[j - 1] > array[j]; j--)
swap(j, j - 1, array);
return;
}
@ -1628,6 +1637,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -1700,7 +1711,7 @@ public class Arrays
if (count <= 7)
{
for (int i = from + 1; i < from + count; i++)
for (int j = i; j > 0 && array[j - 1] > array[j]; j--)
for (int j = i; j > from && array[j - 1] > array[j]; j--)
swap(j, j - 1, array);
return;
}
@ -1802,6 +1813,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -1865,7 +1878,7 @@ public class Arrays
{
for (int i = from + 1; i < from + count; i++)
for (int j = i;
j > 0 && Float.compare(array[j - 1], array[j]) > 0;
j > from && Float.compare(array[j - 1], array[j]) > 0;
j--)
{
swap(j, j - 1, array);
@ -1970,6 +1983,8 @@ public class Arrays
{
if (fromIndex > toIndex)
throw new IllegalArgumentException();
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
qsort(a, fromIndex, toIndex - fromIndex);
}
@ -2033,7 +2048,7 @@ public class Arrays
{
for (int i = from + 1; i < from + count; i++)
for (int j = i;
j > 0 && Double.compare(array[j - 1], array[j]) > 0;
j > from && Double.compare(array[j - 1], array[j]) > 0;
j--)
{
swap(j, j - 1, array);
@ -2203,6 +2218,8 @@ public class Arrays
if (fromIndex > toIndex)
throw new IllegalArgumentException("fromIndex " + fromIndex
+ " > toIndex " + toIndex);
if (fromIndex < 0)
throw new ArrayIndexOutOfBoundsException();
// In general, the code attempts to be simple rather than fast, the
// idea being that a good optimising JIT will be able to optimise it