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@ -1,9 +1,10 @@ |
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#include "../Logger.hpp" |
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#include "Normalizer.hpp" |
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#pragma mark - |
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#pragma mark memory |
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Normalizer::Normalizer(unsigned int dimension) : Projector(dimension, dimension) { |
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Normalizer::Normalizer(unsigned int dimension) : Projector(dimension, dimension), factor(1) { |
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ready = false; |
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try { |
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@ -12,16 +13,20 @@ Normalizer::Normalizer(unsigned int dimension) : Projector(dimension, dimension) |
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LogError("Couldn't construct Normalizer (Projector): %s\n", e.what()); |
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deallocate(); |
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} |
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std::fill_n(range_min, outputDimension, 0.0); |
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std::fill_n(range_max, outputDimension, 0.0); |
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std::fill_n(offset, outputDimension, 0.0); |
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} |
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Normalizer::~Normalizer() { |
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//dtor
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deallocate(); |
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} |
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void Normalizer::allocate(){ |
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range_min = new double[outputDimension]; |
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range_max = new double[outputDimension]; |
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offset = new double[outputDimension] |
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offset = new double[outputDimension]; |
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} |
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void Normalizer::deallocate(){ |
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@ -37,9 +42,9 @@ void Normalizer::deallocate(){ |
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#pragma mark plot |
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void Normalizer::project(const double * point) { |
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projectedPoint[0] = point[0]*factor + offset[0]; |
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projectedPoint[1] = point[1]*factor + offset[1]; |
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projectedPoint[2] = point[2]*factor + offset[2]; |
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for ( unsigned int i = 0; i < inputDimension; ++i ) { |
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projectedPoint[0] = point[0]*factor + offset[0]; |
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} |
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if(!ready){ |
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static unsigned int state = 0; |
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@ -47,9 +52,8 @@ void Normalizer::project(const double * point) { |
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switch(state) { |
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case 0: |
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init_range(); |
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state = kUpdate; |
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break; |
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case 20000: |
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case 500000: |
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finish_range(); |
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ready = true; |
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break; |
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@ -57,31 +61,33 @@ void Normalizer::project(const double * point) { |
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update_range(); |
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break; |
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} |
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++state; |
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} |
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} |
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#pragma mark - |
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#pragma mark setting up |
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void Projector::init_range() { |
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for ( unsigned int i = 0; i < intern_dim; i++ ) { |
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range_min[i] = range_max[i] = project_point[i]; |
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void Normalizer::init_range() { |
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for ( unsigned int i = 0; i < outputDimension; i++ ) { |
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range_min[i] = range_max[i] = projectedPoint[i]; |
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} |
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} |
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void Projector::update_range() { |
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for ( unsigned int i = 0; i < intern_dim; i++ ) { |
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if ( project_point[i] < range_min[i] ) { |
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range_min[i] = project_point[i]; |
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} else if ( project_point[i] > range_max[i] ) { |
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range_max[i] = project_point[i]; |
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void Normalizer::update_range() { |
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for ( unsigned int i = 0; i < outputDimension; i++ ) { |
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if ( projectedPoint[i] < range_min[i] ) { |
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range_min[i] = projectedPoint[i]; |
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} else if ( projectedPoint[i] > range_max[i] ) { |
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range_max[i] = projectedPoint[i]; |
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} |
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} |
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} |
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void Projector::finish_range() { |
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void Normalizer::finish_range() { |
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factor = 2.0 / (range_max[0] - range_min[0]); |
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for ( unsigned int i = 1; i < intern_dim; i++ ) { |
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for ( unsigned int i = 1; i < outputDimension; i++ ) { |
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double dist = range_max[i] - range_min[i]; |
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if ( factor * dist > 2.0 ) { |
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factor = 2.0 / dist; |
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@ -90,7 +96,7 @@ void Projector::finish_range() { |
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} |
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} |
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for ( unsigned int i = 0; i < intern_dim; i++ ) { |
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for ( unsigned int i = 0; i < outputDimension; i++ ) { |
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offset[i] = -0.5*factor*(range_min[i] + range_max[i]); |
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} |
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} |
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