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author | Michael Denkowski <michael.j.denkowski@gmail.com> | 2012-12-22 16:01:23 -0500 |
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committer | Michael Denkowski <michael.j.denkowski@gmail.com> | 2012-12-22 16:01:23 -0500 |
commit | 597d89c11db53e91bc011eab70fd613bbe6453e8 (patch) | |
tree | 83c87c07d1ff6d3ee4e3b1626f7eddd49c61095b /dpmert/line_optimizer.h | |
parent | 65e958ff2678a41c22be7171456a63f002ef370b (diff) | |
parent | 201af2acd394415a05072fbd53d42584875aa4b4 (diff) |
Merge branch 'master' of git://github.com/redpony/cdec
Diffstat (limited to 'dpmert/line_optimizer.h')
-rw-r--r-- | dpmert/line_optimizer.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/dpmert/line_optimizer.h b/dpmert/line_optimizer.h deleted file mode 100644 index 83819f41..00000000 --- a/dpmert/line_optimizer.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef LINE_OPTIMIZER_H_ -#define LINE_OPTIMIZER_H_ - -#include <vector> - -#include "sparse_vector.h" -#include "error_surface.h" -#include "sampler.h" - -class EvaluationMetric; -class Weights; - -struct LineOptimizer { - - // use MINIMIZE_SCORE for things like TER, WER - // MAXIMIZE_SCORE for things like BLEU - enum ScoreType { MAXIMIZE_SCORE, MINIMIZE_SCORE }; - - // merge all the error surfaces together into a global - // error surface and find (the middle of) the best segment - static double LineOptimize( - const EvaluationMetric* metric, - const std::vector<ErrorSurface>& envs, - const LineOptimizer::ScoreType type, - float* best_score, - const double epsilon = 1.0/65536.0); - - // return a random vector of length 1 where all dimensions - // not listed in dimensions will be 0. - static void RandomUnitVector(const std::vector<int>& dimensions, - SparseVector<double>* axis, - RandomNumberGenerator<boost::mt19937>* rng); - - // generate a list of directions to optimize; the list will - // contain the orthogonal vectors corresponding to the dimensions in - // primary and then additional_random_directions directions in those - // dimensions as well. All vectors will be length 1. - static void CreateOptimizationDirections( - const std::vector<int>& primary, - int additional_random_directions, - RandomNumberGenerator<boost::mt19937>* rng, - std::vector<SparseVector<double> >* dirs - , bool include_primary=true - ); - -}; - -#endif |