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dyscoweightcolumn.h
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1#ifndef DYSCO_WEIGHT_COLUMN_H
2#define DYSCO_WEIGHT_COLUMN_H
3
4#include "stochasticencoder.h"
7
8namespace dyscostman {
9
10class DyscoStMan;
11
17class DyscoWeightColumn final : public ThreadedDyscoColumn<float> {
18 public:
25
26 DyscoWeightColumn(const DyscoWeightColumn &source) = delete;
27
28 void operator=(const DyscoWeightColumn &source) = delete;
29
32
33 virtual void Prepare(DyscoDistribution distribution,
34 Normalization normalization, double studentsTNu,
35 double distributionTruncation) override;
36
37 protected:
39 const float *metaBuffer, size_t nRow,
40 size_t nAntennae) override;
41
42 virtual void decode(TimeBlockBuffer<data_t> *buffer, const symbol_t *data,
43 size_t blockRow, size_t a1, size_t a2) override;
44
45 virtual std::unique_ptr<ThreadDataBase> initializeEncodeThread() override {
46 return nullptr;
47 }
48
49 virtual void encode(ThreadDataBase *threadData,
50 TimeBlockBuffer<data_t> *buffer, float *metaBuffer,
51 symbol_t *symbolBuffer, size_t nAntennae) override;
52
53 virtual size_t metaDataFloatCount(size_t /*nRows*/, size_t /*nPolarizations*/,
54 size_t /*nChannels*/,
55 size_t /*nAntennae*/) const override {
56 return _encoder->MetaDataFloatCount();
57 }
58
59 virtual size_t symbolCount(size_t nRowsInBlock, size_t /*nPolarizations*/,
60 size_t /*nChannels*/) const override {
61 return _encoder->SymbolCount(nRowsInBlock);
62 }
63
64 private:
65 std::unique_ptr<WeightBlockEncoder> _encoder;
66};
67
68} // namespace dyscostman
69
70#endif
The main class for the Dysco storage manager.
Definition dyscostman.h:46
A column for storing compressed complex values with an approximate Gaussian distribution.
virtual ~DyscoWeightColumn()
Destructor.
DyscoWeightColumn(DyscoStMan *parent, int dtype)
Create a new column.
virtual void decode(TimeBlockBuffer< data_t > *buffer, const symbol_t *data, size_t blockRow, size_t a1, size_t a2) override
virtual size_t symbolCount(size_t nRowsInBlock, size_t, size_t) const override
DyscoWeightColumn(const DyscoWeightColumn &source)=delete
void operator=(const DyscoWeightColumn &source)=delete
std::unique_ptr< WeightBlockEncoder > _encoder
virtual std::unique_ptr< ThreadDataBase > initializeEncodeThread() override
virtual void Prepare(DyscoDistribution distribution, Normalization normalization, double studentsTNu, double distributionTruncation) override
virtual void encode(ThreadDataBase *threadData, TimeBlockBuffer< data_t > *buffer, float *metaBuffer, symbol_t *symbolBuffer, size_t nAntennae) override
virtual void initializeDecode(TimeBlockBuffer< data_t > *buffer, const float *metaBuffer, size_t nRow, size_t nAntennae) override
virtual size_t metaDataFloatCount(size_t, size_t, size_t, size_t) const override
A column for storing compressed values in a threaded way, tailored for the data and weight columns th...
TimeBlockBuffer< data_t >::symbol_t symbol_t
virtual void shutdown() override final