本文整理汇总了Java中org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator.key方法的典型用法代码示例。如果您正苦于以下问题：Java Iterator.key方法的具体用法？Java Iterator.key怎么用？Java Iterator.key使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator的用法示例。
在下文中一共展示了Iterator.key方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: add
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/**
* Optimized method to add two OpenMapRealVectors.
* It copies the larger vector, then iterates over the smaller.
*
* @param v Vector to add.
* @return the sum of {@code this} and {@code v}.
* @throws DimensionMismatchException if the dimensions do not match.
*/
public OpenMapRealVector add(OpenMapRealVector v)
throws DimensionMismatchException {
checkVectorDimensions(v.getDimension());
boolean copyThis = entries.size() > v.entries.size();
OpenMapRealVector res = copyThis ? this.copy() : v.copy();
Iterator iter = copyThis ? v.entries.iterator() : entries.iterator();
OpenIntToDoubleHashMap randomAccess = copyThis ? entries : v.entries;
while (iter.hasNext()) {
iter.advance();
int key = iter.key();
if (randomAccess.containsKey(key)) {
res.setEntry(key, randomAccess.get(key) + iter.value());
} else {
res.setEntry(key, iter.value());
}
}
return res;
}
示例2: getSubVector
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/** {@inheritDoc} */
@Override
public OpenMapRealVector getSubVector(int index, int n)
throws NotPositiveException, OutOfRangeException {
checkIndex(index);
if (n < 0) {
throw new NotPositiveException(LocalizedFormats.NUMBER_OF_ELEMENTS_SHOULD_BE_POSITIVE, n);
}
checkIndex(index + n - 1);
OpenMapRealVector res = new OpenMapRealVector(n);
int end = index + n;
Iterator iter = entries.iterator();
while (iter.hasNext()) {
iter.advance();
int key = iter.key();
if (key >= index && key < end) {
res.setEntry(key - index, iter.value());
}
}
return res;
}
示例3: subtract
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/**
* Optimized method to subtract OpenMapRealVectors.
*
* @param v Vector to subtract from {@code this}.
* @return the difference of {@code this} and {@code v}.
* @throws DimensionMismatchException if the dimensions do not match.
*/
public OpenMapRealVector subtract(OpenMapRealVector v)
throws DimensionMismatchException {
checkVectorDimensions(v.getDimension());
OpenMapRealVector res = copy();
Iterator iter = v.getEntries().iterator();
while (iter.hasNext()) {
iter.advance();
int key = iter.key();
if (entries.containsKey(key)) {
res.setEntry(key, entries.get(key) - iter.value());
} else {
res.setEntry(key, -iter.value());
}
}
return res;
}
示例4: add
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/**
* Optimized method to add two OpenMapRealVectors.
* It copies the larger vector, then iterates over the smaller.
*
* @param v Vector to add.
* @return the sum of {@code this} and {@code v}.
* @throws org.apache.commons.math3.exception.DimensionMismatchException
* if the dimensions do not match.
*/
public OpenMapRealVector add(OpenMapRealVector v) {
checkVectorDimensions(v.getDimension());
boolean copyThis = entries.size() > v.entries.size();
OpenMapRealVector res = copyThis ? this.copy() : v.copy();
Iterator iter = copyThis ? v.entries.iterator() : entries.iterator();
OpenIntToDoubleHashMap randomAccess = copyThis ? entries : v.entries;
while (iter.hasNext()) {
iter.advance();
int key = iter.key();
if (randomAccess.containsKey(key)) {
res.setEntry(key, randomAccess.get(key) + iter.value());
} else {
res.setEntry(key, iter.value());
}
}
return res;
}
示例5: getSubVector
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/** {@inheritDoc} */
@Override
public OpenMapRealVector getSubVector(int index, int n) {
checkIndex(index);
checkIndex(index + n - 1);
OpenMapRealVector res = new OpenMapRealVector(n);
int end = index + n;
Iterator iter = entries.iterator();
while (iter.hasNext()) {
iter.advance();
int key = iter.key();
if (key >= index && key < end) {
res.setEntry(key - index, iter.value());
}
}
return res;
}
示例6: subtract
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/**
* Optimized method to subtract OpenMapRealVectors.
*
* @param v Vector to subtract from {@code this}.
* @return the difference of {@code this} and {@code v}.
* @throws org.apache.commons.math3.exception.DimensionMismatchException
* if the dimensions do not match.
*/
public OpenMapRealVector subtract(OpenMapRealVector v) {
checkVectorDimensions(v.getDimension());
OpenMapRealVector res = copy();
Iterator iter = v.getEntries().iterator();
while (iter.hasNext()) {
iter.advance();
int key = iter.key();
if (entries.containsKey(key)) {
res.setEntry(key, entries.get(key) - iter.value());
} else {
res.setEntry(key, -iter.value());
}
}
return res;
}
示例7: toArray
import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator; //导入方法依赖的package包/类
/** {@inheritDoc} */
@Override
public double[] toArray() {
double[] res = new double[virtualSize];
Iterator iter = entries.iterator();
while (iter.hasNext()) {
iter.advance();
res[iter.key()] = iter.value();
}
return res;
}