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authorPatrick Simianer <p@simianer.de>2011-10-20 02:31:25 +0200
committerPatrick Simianer <p@simianer.de>2011-10-20 02:31:25 +0200
commita5a92ebe23c5819ed104313426012011e32539da (patch)
tree3416818c758d5ece4e71fe522c571e75ea04f100 /utils/weights.h
parentb88332caac2cbe737c99b8098813f868ca876d8b (diff)
parent78baccbb4231bb84a456702d4f574f8e601a8182 (diff)
finalized merge
Diffstat (limited to 'utils/weights.h')
-rw-r--r--utils/weights.h30
1 files changed, 17 insertions, 13 deletions
diff --git a/utils/weights.h b/utils/weights.h
index 86701add..30f71db0 100644
--- a/utils/weights.h
+++ b/utils/weights.h
@@ -2,25 +2,29 @@
#define _WEIGHTS_H_
#include <string>
-#include <map>
#include <vector>
#include "sparse_vector.h"
+// warning: in the future this will become float
+typedef double weight_t;
+
class Weights {
public:
- Weights() {}
- void InitFromFile(const std::string& fname, std::vector<std::string>* feature_list = NULL);
- void WriteToFile(const std::string& fname, bool hide_zero_value_features = true, const std::string* extra = NULL) const;
- void InitVector(std::vector<double>* w) const;
- void InitSparseVector(SparseVector<double>* w) const;
- void InitFromVector(const std::vector<double>& w);
- void InitFromVector(const SparseVector<double>& w);
- void SetWeight(SparseVector<double>* v, const std::string f, const double w);
- void SetWeight(SparseVector<double>* v, const WordID fid, const double w);
- std::vector<double>* getw() { return &wv_; }; // probably a hack
- void sz();
+ static void InitFromFile(const std::string& fname,
+ std::vector<weight_t>* weights,
+ std::vector<std::string>* feature_list = NULL);
+ static void WriteToFile(const std::string& fname,
+ const std::vector<weight_t>& weights,
+ bool hide_zero_value_features = true,
+ const std::string* extra = NULL);
+ static void InitSparseVector(const std::vector<weight_t>& dv,
+ SparseVector<weight_t>* sv);
+ // check for infinities, NaNs, etc
+ static void SanityCheck(const std::vector<weight_t>& w);
+ // write weights with largest magnitude to cerr
+ static void ShowLargestFeatures(const std::vector<weight_t>& w);
private:
- std::vector<double> wv_;
+ Weights();
};
#endif