本文整理汇总了Java中org.apache.commons.math3.util.OpenIntToDoubleHashMap.get方法的典型用法代码示例。如果您正苦于以下问题：Java OpenIntToDoubleHashMap.get方法的具体用法？Java OpenIntToDoubleHashMap.get怎么用？Java OpenIntToDoubleHashMap.get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的用法示例。
在下文中一共展示了OpenIntToDoubleHashMap.get方法的1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: dotProduct
import org.apache.commons.math3.util.OpenIntToDoubleHashMap; //导入方法依赖的package包/类
/**
* Optimized method to compute the dot product with an OpenMapRealVector.
* It iterates over the smallest of the two.
*
* @param v Cector to compute the dot product with.
* @return the dot product of {@code this} and {@code v}.
* @throws org.apache.commons.math3.exception.DimensionMismatchException
* if the dimensions do not match.
*/
public double dotProduct(OpenMapRealVector v) {
checkVectorDimensions(v.getDimension());
boolean thisIsSmaller = entries.size() < v.entries.size();
Iterator iter = thisIsSmaller ? entries.iterator() : v.entries.iterator();
OpenIntToDoubleHashMap larger = thisIsSmaller ? v.entries : entries;
double d = 0;
while(iter.hasNext()) {
iter.advance();
d += iter.value() * larger.get(iter.key());
}
return d;
}