48 template <class W, class K> class SparseTupleWeight;  variable
54 istream &operator>>(istream &strm, SparseTupleWeight<W, K> &w);
60 class SparseTupleWeight {
63   typedef SparseTupleWeight<typename W::ReverseWeight, K> ReverseWeight;
66   SparseTupleWeight() {  in SparseTupleWeight()  function
71   SparseTupleWeight(Iterator begin, Iterator end) {  in SparseTupleWeight()  function
79   SparseTupleWeight(const K& key, const W &w) {  in SparseTupleWeight()  function
84   SparseTupleWeight(const W &w) {  in SparseTupleWeight()  function
88   SparseTupleWeight(const SparseTupleWeight<W, K> &w) {  in SparseTupleWeight()  function
96   static const SparseTupleWeight<W, K> &Zero() {  in Zero()
97     static SparseTupleWeight<W, K> zero;  in Zero()
101   static const SparseTupleWeight<W, K> &One() {  in One()
102     static SparseTupleWeight<W, K> one(W::One());  in One()
106   static const SparseTupleWeight<W, K> &NoWeight() {  in NoWeight()
107     static SparseTupleWeight<W, K> no_weight(W::NoWeight());  in NoWeight()
123   SparseTupleWeight<W, K> &operator=(const SparseTupleWeight<W, K> &w) {
151   SparseTupleWeight<W, K> Quantize(float delta = kDelta) const {
152     SparseTupleWeight<W, K> w;
160     SparseTupleWeight<W, K> w;  in Reverse()
205     istream&, SparseTupleWeight<W, K>&, char separator);
208     istream&, SparseTupleWeight<W, K>&,
221   friend istream &operator>><W, K>(istream&, SparseTupleWeight<W, K>&);
228   typedef typename SparseTupleWeight<W, K>::Pair Pair;
232   explicit SparseTupleWeightIterator(const SparseTupleWeight<W, K>& w)  in SparseTupleWeightIterator()
238       return first_.first == SparseTupleWeight<W, K>::kNoKey;  in Done()
268   SparseTupleWeight<W, K>* ret,  in SparseTupleWeightMap()
269   const SparseTupleWeight<W, K>& w1,  in SparseTupleWeightMap()
270   const SparseTupleWeight<W, K>& w2,  in SparseTupleWeightMap()
297 inline bool operator==(const SparseTupleWeight<W, K> &w1,
298                        const SparseTupleWeight<W, K> &w2) {
326 inline bool operator!=(const SparseTupleWeight<W, K> &w1,
327                        const SparseTupleWeight<W, K> &w2) {
332 inline ostream &operator<<(ostream &strm, const SparseTupleWeight<W, K> &w) {
373 inline istream &operator>>(istream &strm, SparseTupleWeight<W, K> &w) {
387     return SparseTupleWeight<W, K>::ReadWithParen(
391     return SparseTupleWeight<W, K>::ReadNoParen(strm, w, separator);
397 inline istream& SparseTupleWeight<W, K>::ReadNoParen(  in ReadNoParen()
399     SparseTupleWeight<W, K> &w,  in ReadNoParen()
491 inline istream& SparseTupleWeight<W, K>::ReadWithParen(  in ReadWithParen()
493     SparseTupleWeight<W, K> &w,  in ReadWithParen()