diff options
author | Peng Wu <alexepico@gmail.com> | 2017-01-19 15:57:58 +0800 |
---|---|---|
committer | Peng Wu <alexepico@gmail.com> | 2017-01-19 15:57:58 +0800 |
commit | 91de72879019d2461330dbcd16991f1b73d41f82 (patch) | |
tree | 67f30fa2480350ddb92af6e100dd5d780d490489 | |
parent | e2ca746d4060871f975816d2ba91d42e33627694 (diff) | |
download | libpinyin-91de72879019d2461330dbcd16991f1b73d41f82.tar.gz libpinyin-91de72879019d2461330dbcd16991f1b73d41f82.tar.xz libpinyin-91de72879019d2461330dbcd16991f1b73d41f82.zip |
drop struct matrix_step
-rw-r--r-- | src/lookup/phonetic_lookup_heap.h | 81 | ||||
-rw-r--r-- | src/lookup/phonetic_lookup_linear.h | 45 |
2 files changed, 0 insertions, 126 deletions
diff --git a/src/lookup/phonetic_lookup_heap.h b/src/lookup/phonetic_lookup_heap.h index 94f97d1..cd9e2bc 100644 --- a/src/lookup/phonetic_lookup_heap.h +++ b/src/lookup/phonetic_lookup_heap.h @@ -107,85 +107,4 @@ public: }; -#if 0 -static inline bool matrix_value_more_than(const matrix_value_t &lhs, - const matrix_value_t &rhs) { - /* min heap here */ - return lhs.m_poss > rhs.m_poss; -} - -template <gint32 nbest> -struct matrix_step { -private: - gint32 m_nelem; - /* invariant: min heap */ - matrix_value_t m_elements[nbest]; - -public: - matrix_step(){ - m_nelem = 0; - /* always assume non-used m_elements contains random data. */ - } - -public: - gint32 length() { return m_nelem; } - const matrix_value_t * begin() { return m_elements; } - const matrix_value_t * end() { return m_elements + m_nelem; } - - /* return true if the item is stored into m_elements. */ - bool eval_item(const matrix_value_t * item) { - /* min heap here, and always push heap. */ - - /* still have space */ - if (m_nelem < nbest) { - m_elements[m_nelem] = *item; - m_nelem ++; - push_heap(begin(), end(), matrix_value_more_than); - return true; - } - - /* find minium item */ - matrix_value_t * min = m_elements; - - /* compare new item */ - if (item->m_poss > min->m_poss) { - pop_heap(begin(), end(), matrix_value_more_than); - m_elements[m_nelem - 1] = *item; - push_heap(begin(), end(), matrix_value_more_than); - return true; - } - - return false; - } -}; - -/* for space usage and performance. */ -/* as matrix step contains only one element, - initialize with empty element. */ -template <> -struct matrix_step <1> { -private: - matrix_value_t m_element; - -public: - matrix_step <1> () : m_element(-FLT_MAX) {} - -public: - gint32 length() { return 1; } - const matrix_value_t * begin() { return &m_element; } - const matrix_value_t * end() { return &m_element + 1; } - - /* return true if the item is stored into m_element. */ - bool eval_item(const matrix_value_t * item) { - if (item->m_poss > m_element.m_poss) { - m_element = *item; - return true; - } - - return false; - } -}; -#endif - - #endif diff --git a/src/lookup/phonetic_lookup_linear.h b/src/lookup/phonetic_lookup_linear.h index 7abca66..9079c24 100644 --- a/src/lookup/phonetic_lookup_linear.h +++ b/src/lookup/phonetic_lookup_linear.h @@ -69,49 +69,4 @@ public: } }; -#if 0 -template <gint32 nbest> -struct matrix_step { -private: - gint32 m_nelem; - matrix_value_t m_elements[nbest]; - -public: - matrix_step(){ - m_nelem = 0; - /* always assume non-used m_elements contains random data. */ - } - -public: - gint32 length() { return m_nelem; } - const matrix_value_t * begin() { return m_elements; } - const matrix_value_t * end() { return m_elements + m_nelem; } - - /* return true if the item is stored into m_elements. */ - bool eval_item(const matrix_value_t * item) { - /* still have space */ - if (m_nelem < nbest) { - m_elements[m_nelem] = *item; - m_nelem ++; - return true; - } - - /* find minium item */ - matrix_value_t * min = m_elements; - for (gint32 i = 1; i < m_nelem; ++i) { - if (min->m_poss > m_elements[i].m_poss) - min = m_elements + i; - } - - /* compare new item */ - if (item->m_poss > min->m_poss) { - *min = *item; - return true; - } - - return false; - } -}; -#endif - #endif |