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///////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2001, Eric D. Friedman All Rights Reserved.
// Copyright (c) 2009, Rob Eden All Rights Reserved.
// Copyright (c) 2009, Jeff Randall All Rights Reserved.
// Copyright (c) 2011, Johan Parent All Rights Reserved.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
///////////////////////////////////////////////////////////////////////////////
package gnu.trove.list.linked;
import gnu.trove.function.TFloatFunction;
import gnu.trove.list.TFloatList;
import gnu.trove.procedure.TFloatProcedure;
import gnu.trove.iterator.TFloatIterator;
import gnu.trove.TFloatCollection;
import gnu.trove.impl.*;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.*;
//////////////////////////////////////////////////
// THIS IS A GENERATED CLASS. DO NOT HAND EDIT! //
//////////////////////////////////////////////////
/**
* A resizable, double linked list of float primitives.
*/
public class TFloatLinkedList implements TFloatList, Externalizable {
float no_entry_value;
int size;
TFloatLink head = null;
TFloatLink tail = head;
public TFloatLinkedList() {
}
public TFloatLinkedList(float no_entry_value) {
this.no_entry_value = no_entry_value;
}
public TFloatLinkedList(TFloatList list) {
no_entry_value = list.getNoEntryValue();
//
for (TFloatIterator iterator = list.iterator(); iterator.hasNext();) {
float next = iterator.next();
add(next);
}
}
/** {@inheritDoc} */
public float getNoEntryValue() {
return no_entry_value;
}
/** {@inheritDoc} */
public int size() {
return size;
}
/** {@inheritDoc} */
public boolean isEmpty() {
return size() == 0;
}
/** {@inheritDoc} */
public boolean add(float val) {
TFloatLink l = new TFloatLink(val);
if (no(head)) {
head = l;
tail = l;
} else {
l.setPrevious(tail);
tail.setNext(l);
//
tail = l;
}
size++;
return true;
}
/** {@inheritDoc} */
public void add(float[] vals) {
for (float val : vals) {
add(val);
}
}
/** {@inheritDoc} */
public void add(float[] vals, int offset, int length) {
for (int i = 0; i < length; i++) {
float val = vals[offset + i];
add(val);
}
}
/** {@inheritDoc} */
public void insert(int offset, float value) {
TFloatLinkedList tmp = new TFloatLinkedList();
tmp.add(value);
insert(offset, tmp);
}
/** {@inheritDoc} */
public void insert(int offset, float[] values) {
insert(offset, link(values, 0, values.length));
}
/** {@inheritDoc} */
public void insert(int offset, float[] values, int valOffset, int len) {
insert(offset, link(values, valOffset, len));
}
void insert(int offset, TFloatLinkedList tmp) {
TFloatLink l = getLinkAt(offset);
size = size + tmp.size;
//
if (l == head) {
// Add in front
tmp.tail.setNext(head);
head.setPrevious(tmp.tail);
head = tmp.head;
return;
}
if (no(l)) {
if (size == 0) {
// New empty list
head = tmp.head;
tail = tmp.tail;
} else {
// append
tail.setNext(tmp.head);
tmp.head.setPrevious(tail);
tail = tmp.tail;
}
} else {
TFloatLink prev = l.getPrevious();
l.getPrevious().setNext(tmp.head);
// Link by behind tmp
tmp.tail.setNext(l);
l.setPrevious(tmp.tail);
tmp.head.setPrevious(prev);
}
}
static TFloatLinkedList link(float[] values, int valOffset, int len) {
TFloatLinkedList ret = new TFloatLinkedList();
for (int i = 0; i < len; i++) {
ret.add(values[valOffset + i]);
}
return ret;
}
/** {@inheritDoc} */
public float get(int offset) {
if (offset > size)
throw new IndexOutOfBoundsException("index " + offset + " exceeds size " + size);
TFloatLink l = getLinkAt(offset);
//
if (no(l))
return no_entry_value;
return l.getValue();
}
/**
* Returns the link at the given offset.
*
* A simple bisection criteria is used to keep the worst case complexity equal to
* O(n/2) where n = size(). Simply start from head of list or tail depending on offset
* and list size.
*
* @param offset of the link
* @return link or null if non-existent
*/
public TFloatLink getLinkAt(int offset) {
if (offset >= size())
return null;
if (offset <= (size() >>> 1))
return getLink(head, 0, offset, true);
else
return getLink(tail, size() - 1, offset, false);
}
/**
* Returns the link at absolute offset starting from given the initial link 'l' at index 'idx'
*
* @param l
* @param idx
* @param offset
* @return
*/
private static TFloatLink getLink(TFloatLink l, int idx, int offset) {
return getLink(l, idx, offset, true);
}
/**
* Returns link at given absolute offset starting from link 'l' at index 'idx'
* @param l
* @param idx
* @param offset
* @param next
* @return
*/
private static TFloatLink getLink(TFloatLink l, int idx, int offset, boolean next) {
int i = idx;
//
while (got(l)) {
if (i == offset) {
return l;
}
i = i + (next ? 1 : -1);
l = next ? l.getNext() : l.getPrevious();
}
return null;
}
/** {@inheritDoc} */
public float set(int offset, float val) {
if (offset > size)
throw new IndexOutOfBoundsException("index " + offset + " exceeds size " + size);
TFloatLink l = getLinkAt(offset);
//
if (no(l))
throw new IndexOutOfBoundsException("at offset " + offset);
float prev = l.getValue();
l.setValue(val);
return prev;
}
/** {@inheritDoc} */
public void set(int offset, float[] values) {
set(offset, values, 0, values.length);
}
/** {@inheritDoc} */
public void set(int offset, float[] values, int valOffset, int length) {
for (int i = 0; i < length; i++) {
float value = values[valOffset + i];
set(offset + i, value);
}
}
/** {@inheritDoc} */
public float replace(int offset, float val) {
return set(offset, val);
}
/** {@inheritDoc} */
public void clear() {
size = 0;
//
head = null;
tail = null;
}
/** {@inheritDoc} */
public boolean remove(float value) {
boolean changed = false;
for (TFloatLink l = head; got(l); l = l.getNext()) {
//
if (l.getValue() == value) {
changed = true;
//
removeLink(l);
}
}
return changed;
}
/**
* unlinks the give TFloatLink from the list
*
* @param l
*/
private void removeLink(TFloatLink l) {
if (no(l))
return;
size--;
TFloatLink prev = l.getPrevious();
TFloatLink next = l.getNext();
if (got(prev)) {
prev.setNext(next);
} else {
// No previous we must be head
head = next;
}
if (got(next)) {
next.setPrevious(prev);
} else {
// No next so me must be tail
tail = prev;
}
// Unlink
l.setNext(null);
l.setPrevious(null);
}
/** {@inheritDoc} */
public boolean containsAll(Collection collection) {
if (isEmpty())
return false;
for (Object o : collection) {
if (o instanceof Float) {
Float i = (Float) o;
if (!(contains(i)))
return false;
} else {
return false;
}
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll(TFloatCollection collection) {
if (isEmpty())
return false;
for (TFloatIterator it = collection.iterator(); it.hasNext();) {
float i = it.next();
if (!(contains(i)))
return false;
}
return true;
}
/** {@inheritDoc} */
public boolean containsAll(float[] array) {
if (isEmpty())
return false;
for (float i : array) {
if (!contains(i))
return false;
}
return true;
}
/** {@inheritDoc} */
public boolean addAll(Collection collection) {
boolean ret = false;
for (Float v : collection) {
if (add(v.floatValue()))
ret = true;
}
return ret;
}
/** {@inheritDoc} */
public boolean addAll(TFloatCollection collection) {
boolean ret = false;
for (TFloatIterator it = collection.iterator(); it.hasNext();) {
float i = it.next();
if (add(i))
ret = true;
}
return ret;
}
/** {@inheritDoc} */
public boolean addAll(float[] array) {
boolean ret = false;
for (float i : array) {
if (add(i))
ret = true;
}
return ret;
}
/** {@inheritDoc} */
public boolean retainAll(Collection collection) {
boolean modified = false;
TFloatIterator iter = iterator();
while (iter.hasNext()) {
if (!collection.contains(Float.valueOf(iter.next()))) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll(TFloatCollection collection) {
boolean modified = false;
TFloatIterator iter = iterator();
while (iter.hasNext()) {
if (!collection.contains(iter.next())) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean retainAll(float[] array) {
Arrays.sort(array);
boolean modified = false;
TFloatIterator iter = iterator();
while (iter.hasNext()) {
if (Arrays.binarySearch(array, iter.next()) < 0) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean removeAll(Collection collection) {
boolean modified = false;
TFloatIterator iter = iterator();
while (iter.hasNext()) {
if (collection.contains(Float.valueOf(iter.next()))) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean removeAll(TFloatCollection collection) {
boolean modified = false;
TFloatIterator iter = iterator();
while (iter.hasNext()) {
if (collection.contains(iter.next())) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public boolean removeAll(float[] array) {
Arrays.sort(array);
boolean modified = false;
TFloatIterator iter = iterator();
while (iter.hasNext()) {
if (Arrays.binarySearch(array, iter.next()) >= 0) {
iter.remove();
modified = true;
}
}
return modified;
}
/** {@inheritDoc} */
public float removeAt(int offset) {
TFloatLink l = getLinkAt(offset);
if (no(l))
throw new ArrayIndexOutOfBoundsException("no elemenet at " + offset);
float prev = l.getValue();
removeLink(l);
return prev;
}
/** {@inheritDoc} */
public void remove(int offset, int length) {
for (int i = 0; i < length; i++) {
removeAt(offset); // since the list shrinks we don't need to use offset+i to get the next entry ;)
}
}
/** {@inheritDoc} */
public void transformValues(TFloatFunction function) {
for (TFloatLink l = head; got(l);) {
//
l.setValue(function.execute(l.getValue()));
//
l = l.getNext();
}
}
/** {@inheritDoc} */
public void reverse() {
TFloatLink h = head;
TFloatLink t = tail;
TFloatLink prev, next, tmp;
//
TFloatLink l = head;
while (got(l)) {
next = l.getNext();
prev = l.getPrevious();
//
tmp = l;
l = l.getNext();
//
tmp.setNext(prev);
tmp.setPrevious(next);
}
//
head = t;
tail = h;
}
/** {@inheritDoc} */
public void reverse(int from, int to) {
if (from > to)
throw new IllegalArgumentException("from > to : " + from + ">" + to);
TFloatLink start = getLinkAt(from);
TFloatLink stop = getLinkAt(to);
TFloatLink prev, next;
TFloatLink tmp = null;
TFloatLink tmpHead = start.getPrevious();
//
TFloatLink l = start;
while (l != stop) {
next = l.getNext();
prev = l.getPrevious();
//
tmp = l;
l = l.getNext();
//
tmp.setNext(prev);
tmp.setPrevious(next);
}
// At this point l == stop and tmp is the but last element {
if (got(tmp)) {
tmpHead.setNext(tmp);
stop.setPrevious(tmpHead);
}
start.setNext(stop);
stop.setPrevious(start);
}
/** {@inheritDoc} */
public void shuffle(Random rand) {
for (int i = 0; i < size; i++) {
TFloatLink l = getLinkAt(rand.nextInt(size()));
removeLink(l);
add(l.getValue());
}
}
/** {@inheritDoc} */
public TFloatList subList(int begin, int end) {
if (end < begin) {
throw new IllegalArgumentException("begin index " + begin +
" greater than end index " + end);
}
if (size < begin) {
throw new IllegalArgumentException("begin index " + begin +
" greater than last index " + size);
}
if (begin < 0) {
throw new IndexOutOfBoundsException("begin index can not be < 0");
}
if (end > size) {
throw new IndexOutOfBoundsException("end index < " + size);
}
TFloatLinkedList ret = new TFloatLinkedList();
TFloatLink tmp = getLinkAt(begin);
for (int i = begin; i < end; i++) {
ret.add(tmp.getValue()); // copy
tmp = tmp.getNext();
}
return ret;
}
/** {@inheritDoc} */
public float[] toArray() {
return toArray(new float[size], 0, size);
}
/** {@inheritDoc} */
public float[] toArray(int offset, int len) {
return toArray(new float[len], offset, 0, len);
}
/** {@inheritDoc} */
public float[] toArray(float[] dest) {
return toArray(dest, 0, size);
}
/** {@inheritDoc} */
public float[] toArray(float[] dest, int offset, int len) {
return toArray(dest, offset, 0, len);
}
/** {@inheritDoc} */
public float[] toArray(float[] dest, int source_pos, int dest_pos, int len) {
if (len == 0) {
return dest; // nothing to copy
}
if (source_pos < 0 || source_pos >= size()) {
throw new ArrayIndexOutOfBoundsException(source_pos);
}
TFloatLink tmp = getLinkAt(source_pos);
for (int i = 0; i < len; i++) {
dest[dest_pos + i] = tmp.getValue(); // copy
tmp = tmp.getNext();
}
return dest;
}
/** {@inheritDoc} */
public boolean forEach(TFloatProcedure procedure) {
for (TFloatLink l = head; got(l); l = l.getNext()) {
if (!procedure.execute(l.getValue()))
return false;
}
return true;
}
/** {@inheritDoc} */
public boolean forEachDescending(TFloatProcedure procedure) {
for (TFloatLink l = tail; got(l); l = l.getPrevious()) {
if (!procedure.execute(l.getValue()))
return false;
}
return true;
}
/** {@inheritDoc} */
public void sort() {
sort(0, size);
}
/** {@inheritDoc} */
public void sort(int fromIndex, int toIndex) {
TFloatList tmp = subList(fromIndex, toIndex);
float[] vals = tmp.toArray();
Arrays.sort(vals);
set(fromIndex, vals);
}
/** {@inheritDoc} */
public void fill(float val) {
fill(0, size, val);
}
/** {@inheritDoc} */
public void fill(int fromIndex, int toIndex, float val) {
if (fromIndex < 0) {
throw new IndexOutOfBoundsException("begin index can not be < 0");
}
TFloatLink l = getLinkAt(fromIndex);
if (toIndex > size) {
for (int i = fromIndex; i < size; i++) {
l.setValue(val);
l = l.getNext();
}
for (int i = size; i < toIndex; i++) {
add(val);
}
} else {
for (int i = fromIndex; i < toIndex; i++) {
l.setValue(val);
l = l.getNext();
}
}
}
/** {@inheritDoc} */
public int binarySearch(float value) {
return binarySearch(value, 0, size());
}
/** {@inheritDoc} */
public int binarySearch(float value, int fromIndex, int toIndex) {
if (fromIndex < 0) {
throw new IndexOutOfBoundsException("begin index can not be < 0");
}
if (toIndex > size) {
throw new IndexOutOfBoundsException("end index > size: " + toIndex + " > " + size);
}
if (toIndex < fromIndex) {
return -(fromIndex+1);
}
TFloatLink middle;
int mid;
int from = fromIndex;
TFloatLink fromLink = getLinkAt(fromIndex);
int to = toIndex;
while (from < to) {
mid = (from + to) >>> 1;
middle = getLink(fromLink, from, mid);
if (middle.getValue() == value)
return mid;
if (middle.getValue() < value) {
from = mid + 1;
fromLink = middle.next;
} else {
to = mid - 1;
}
}
return -(from + 1);
}
/** {@inheritDoc} */
public int indexOf(float value) {
return indexOf(0, value);
}
/** {@inheritDoc} */
public int indexOf(int offset, float value) {
int count = offset;
for (TFloatLink l = getLinkAt(offset); got(l.getNext()); l = l.getNext()) {
if (l.getValue() == value)
return count;
count++;
}
return -1;
}
/** {@inheritDoc} */
public int lastIndexOf(float value) {
return lastIndexOf(0, value);
}
/** {@inheritDoc} */
public int lastIndexOf(int offset, float value) {
if (isEmpty())
return -1;
int last = -1;
int count = offset;
for (TFloatLink l = getLinkAt(offset); got(l.getNext()); l = l.getNext()) {
if (l.getValue() == value)
last = count;
count++;
}
return last;
}
/** {@inheritDoc} */
public boolean contains(float value) {
if (isEmpty())
return false;
for (TFloatLink l = head; got(l); l = l.getNext()) {
if (l.getValue() == value)
return true;
}
return false;
}
/** {@inheritDoc} */
public TFloatIterator iterator() {
return new TFloatIterator() {
TFloatLink l = head;
TFloatLink current;
public float next() {
if (no(l))
throw new NoSuchElementException();
float ret = l.getValue();
current = l;
l = l.getNext();
return ret;
}
public boolean hasNext() {
return got(l);
}
public void remove() {
if (current == null)
throw new IllegalStateException();
removeLink(current);
current = null;
}
};
}
/** {@inheritDoc} */
public TFloatList grep(TFloatProcedure condition) {
TFloatList ret = new TFloatLinkedList();
for (TFloatLink l = head; got(l); l = l.getNext()) {
if (condition.execute(l.getValue()))
ret.add(l.getValue());
}
return ret;
}
/** {@inheritDoc} */
public TFloatList inverseGrep(TFloatProcedure condition) {
TFloatList ret = new TFloatLinkedList();
for (TFloatLink l = head; got(l); l = l.getNext()) {
if (!condition.execute(l.getValue()))
ret.add(l.getValue());
}
return ret;
}
/** {@inheritDoc} */
public float max() {
float ret = Float.NEGATIVE_INFINITY;
if (isEmpty())
throw new IllegalStateException();
for (TFloatLink l = head; got(l); l = l.getNext()) {
if (ret < l.getValue())
ret = l.getValue();
}
return ret;
}
/** {@inheritDoc} */
public float min() {
float ret = Float.POSITIVE_INFINITY;
if (isEmpty())
throw new IllegalStateException();
for (TFloatLink l = head; got(l); l = l.getNext()) {
if (ret > l.getValue())
ret = l.getValue();
}
return ret;
}
/** {@inheritDoc} */
public float sum() {
float sum = 0;
for (TFloatLink l = head; got(l); l = l.getNext()) {
sum += l.getValue();
}
return sum;
}
//
//
//
static class TFloatLink {
float value;
TFloatLink previous;
TFloatLink next;
TFloatLink(float value) {
this.value = value;
}
public float getValue() {
return value;
}
public void setValue(float value) {
this.value = value;
}
public TFloatLink getPrevious() {
return previous;
}
public void setPrevious(TFloatLink previous) {
this.previous = previous;
}
public TFloatLink getNext() {
return next;
}
public void setNext(TFloatLink next) {
this.next = next;
}
}
class RemoveProcedure implements TFloatProcedure {
boolean changed = false;
/**
* Executes this procedure. A false return value indicates that
* the application executing this procedure should not invoke this
* procedure again.
*
* @param value a value of type int
* @return true if additional invocations of the procedure are
* allowed.
*/
public boolean execute(float value) {
if (remove(value))
changed = true;
return true;
}
public boolean isChanged() {
return changed;
}
}
/** {@inheritDoc} */
public void writeExternal(ObjectOutput out) throws IOException {
// VERSION
out.writeByte(0);
// NO_ENTRY_VALUE
out.writeFloat(no_entry_value);
// ENTRIES
out.writeInt(size);
for (TFloatIterator iterator = iterator(); iterator.hasNext();) {
float next = iterator.next();
out.writeFloat(next);
}
}
/** {@inheritDoc} */
public void readExternal(ObjectInput in)
throws IOException, ClassNotFoundException {
// VERSION
in.readByte();
// NO_ENTRY_VALUE
no_entry_value = in.readFloat();
// ENTRIES
int len = in.readInt();
for (int i = 0; i < len; i++) {
add(in.readFloat());
}
}
static boolean got(Object ref) {
return ref != null;
}
static boolean no(Object ref) {
return ref == null;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
TFloatLinkedList that = (TFloatLinkedList) o;
if (no_entry_value != that.no_entry_value) return false;
if (size != that.size) return false;
TFloatIterator iterator = iterator();
TFloatIterator thatIterator = that.iterator();
while (iterator.hasNext()) {
if (!thatIterator.hasNext())
return false;
if (iterator.next() != thatIterator.next())
return false;
}
return true;
}
@Override
public int hashCode() {
int result = HashFunctions.hash(no_entry_value);
result = 31 * result + size;
for (TFloatIterator iterator = iterator(); iterator.hasNext();) {
result = 31 * result + HashFunctions.hash(iterator.next());
}
return result;
}
@Override
public String toString() {
final StringBuilder buf = new StringBuilder("{");
TFloatIterator it = iterator();
while (it.hasNext()) {
float next = it.next();
buf.append(next);
if (it.hasNext())
buf.append(", ");
}
buf.append("}");
return buf.toString();
}
} // TFloatLinkedList
