Examples of org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator.key()

Package org.apache.commons.math3.util.OpenIntToDoubleHashMap

Class org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator

Examples of org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator.key()

org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator.key()
Get the key of current entry. @return key of current entry @exception ConcurrentModificationException if the map is modified during iteration @exception NoSuchElementException if there is no element left in the map

        checkVectorDimensions(v.getDimension());
        double max = 0;
        Iterator iter = entries.iterator();
        while (iter.hasNext()) {
            iter.advance();
            double delta = FastMath.abs(iter.value() - v.getEntry(iter.key()));
            if (delta > max) {
                max = delta;
            }
        }
        iter = v.getEntries().iterator();

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            }
        }
        iter = v.getEntries().iterator();
        while (iter.hasNext()) {
            iter.advance();
            int key = iter.key();
            if (!entries.containsKey(key) && iter.value() > max) {
                max = iter.value();
            }
        }
        return max;

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        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());
            }

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            throw new MathArithmeticException(LocalizedFormats.ZERO_NORM);
        }
        Iterator iter = entries.iterator();
        while (iter.hasNext()) {
            iter.advance();
            entries.put(iter.key(), iter.value() / norm);
        }
    }


    /** {@inheritDoc} */
    @Override

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    public double[] toArray() {
        double[] res = new double[virtualSize];
        Iterator iter = entries.iterator();
        while (iter.hasNext()) {
            iter.advance();
            res[iter.key()] = iter.value();
        }
        return res;
    }


    /**

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            return false;
        }
        Iterator iter = entries.iterator();
        while (iter.hasNext()) {
            iter.advance();
            double test = other.getEntry(iter.key());
            if (Double.doubleToLongBits(test) != Double.doubleToLongBits(iter.value())) {
                return false;
            }
        }
        iter = other.getEntries().iterator();

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        }
        iter = other.getEntries().iterator();
        while (iter.hasNext()) {
            iter.advance();
            double test = iter.value();
            if (Double.doubleToLongBits(test) != Double.doubleToLongBits(getEntry(iter.key()))) {
                return false;
            }
        }
        return true;
    }

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        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());
            }

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    public OpenMapRealVector append(OpenMapRealVector v) {
        OpenMapRealVector res = new OpenMapRealVector(this, v.getDimension());
        Iterator iter = v.entries.iterator();
        while (iter.hasNext()) {
            iter.advance();
            res.setEntry(iter.key() + virtualSize, iter.value());
        }
        return res;
    }


    /** {@inheritDoc} */

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        checkVectorDimensions(v.getDimension());
        OpenMapRealVector res = new OpenMapRealVector(this);
        Iterator iter = entries.iterator();
        while (iter.hasNext()) {
            iter.advance();
            res.setEntry(iter.key(), iter.value() * v.getEntry(iter.key()));
        }
        /*
         * MATH-803: the above loop assumes that 0d * x  = 0d for any double x,
         * which allows to consider only the non-zero entries of this. However,
         * this fails if this[i] == 0d and (v[i] = NaN or v[i] = Infinity).

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