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authorPatrick Simianer <p@simianer.de>2012-03-13 09:24:47 +0100
committerPatrick Simianer <p@simianer.de>2012-03-13 09:24:47 +0100
commitc3a9ea64251605532c7954959662643a6a927bb7 (patch)
treefed6048a5acdaf3834740107771c2bc48f26fd4d /vest/line_optimizer.h
parent867bca3e5fa0cdd63bf032e5859fb5092d9a4ca1 (diff)
parenta45af4a3704531a8382cd231f6445b3a33b598a3 (diff)
merge with upstream
Diffstat (limited to 'vest/line_optimizer.h')
-rw-r--r--vest/line_optimizer.h46
1 files changed, 0 insertions, 46 deletions
diff --git a/vest/line_optimizer.h b/vest/line_optimizer.h
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--- a/vest/line_optimizer.h
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@@ -1,46 +0,0 @@
-#ifndef LINE_OPTIMIZER_H_
-#define LINE_OPTIMIZER_H_
-
-#include <vector>
-
-#include "sparse_vector.h"
-#include "error_surface.h"
-#include "sampler.h"
-
-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 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