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ConversionMatrix.h
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1// -*- LSST-C++ -*-
2
3/*
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24
25#ifndef LSST_AFW_MATH_SHAPELETS_CONVERSIONMATRIX_H
26#define LSST_AFW_MATH_SHAPELETS_CONVERSIONMATRIX_H
27
28
30#include "ndarray.h"
32
33namespace lsst { namespace shapelet {
34
43public:
44
46 Eigen::MatrixXd getBlock(int n) const;
47
49 Eigen::MatrixXd buildDenseMatrix() const;
50
52 void multiplyOnLeft(ndarray::Array<double,1> const & array) const;
53
55 void multiplyOnRight(ndarray::Array<double,1> const & array) const;
56
58 explicit ConversionMatrix(BasisTypeEnum input, BasisTypeEnum output, int order);
59
62 ndarray::Array<double,1> const & array,
63 BasisTypeEnum input,
64 BasisTypeEnum output, int order
65 );
66
69 ndarray::Array<double,1> const & array,
70 BasisTypeEnum input,
71 BasisTypeEnum output, int order
72 );
73
74private:
75 int _order;
76 BasisTypeEnum _input;
77 BasisTypeEnum _output;
78};
79
80
81}} // namespace lsst::shapelet
82
83#endif // !defined(LSST_AFW_MATH_SHAPELETS_CONVERSIONMATRIX_H)
Conversions between shapelet basis types.
void multiplyOnLeft(ndarray::Array< double, 1 > const &array) const
Multiply the given array by the conversion matrix on the left in-place.
Eigen::MatrixXd buildDenseMatrix() const
Construct the full conversion matrix (should just be used for testing).
static void convertCoefficientVector(ndarray::Array< double, 1 > const &array, BasisTypeEnum input, BasisTypeEnum output, int order)
Convert a coefficient vector between basis types in-place.
ConversionMatrix(BasisTypeEnum input, BasisTypeEnum output, int order)
Construct a conversion matrix that maps the input basis to the output basis.
Eigen::MatrixXd getBlock(int n) const
Return a block of the block-diagonal conversion matrix.
static void convertOperationVector(ndarray::Array< double, 1 > const &array, BasisTypeEnum input, BasisTypeEnum output, int order)
Convert an operation (evaluation, integration) vector between basis types in-place.
void multiplyOnRight(ndarray::Array< double, 1 > const &array) const
Multiply the given array by the conversion matrix on the right in-place.
Constants, typedefs, and general-purpose functions for shapelets library.
table::Key< int > order