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LSST Data Management Base Package
Basis1d.h
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1// -*- LSST-C++ -*-
2/*
3 * Developed for the LSST Data Management System.
4 * This product includes software developed by the LSST Project
5 * (https://www.lsst.org).
6 * See the COPYRIGHT file at the top-level directory of this distribution
7 * for details of code ownership.
8 *
9 * This program is free software: you can redistribute it and/or modify
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21 */
22#ifndef LSST_AFW_MATH_POLYNOMIALS_Basis1d_h_INCLUDED
23#define LSST_AFW_MATH_POLYNOMIALS_Basis1d_h_INCLUDED
24#ifdef DOXYGEN
25
26namespace lsst { namespace geom { namespace polynomials {
27
36class Basis1d {
37public:
38
40 using Function = ...;
41
43 using Scaled = ...;
44
47
50
58
83 template <typename Vector>
84 double sumWith(double x, Vector const & coefficients) const;
85
100 template <typename Vector>
101 void fill(double x, Vector && basis) const;
102
103};
104
105}}} // namespace lsst::geom::polynomials
106
107#endif // DOXYGEN
108#endif // !LSST_AFW_MATH_POLYNOMIALS_Basis1d_h_INCLUDED
ndarray::Array< double const, 2, 2 > coefficients
double x
table::Key< double > scaling
A basis interface for 1-d series expansions.
Definition: Basis1d.h:36
double sumWith(double x, Vector const &coefficients) const
Evaluate a basis expansion with the given coefficients.
std::size_t getOrder() const
Return the order of the basis.
... Function
A Function1d object that uses this basis.
Definition: Basis1d.h:40
Scaled scaled(Scaling1d const &scaling) const
Return a scaled basis that delegates to a copy of this.
std::size_t size() const
Return the number of elements in the basis.
... Scaled
The type returned by scale().
Definition: Basis1d.h:43
void fill(double x, Vector &&basis) const
Evaluate the basis at a given point.
A 1-d affine transform that can be used to map one interval to another.
Definition: Scaling1d.h:46
Eigen::Matrix< Scalar, Eigen::Dynamic, 1 > Vector
Definition: common.h:46
A base class for image defects.
table::Key< table::Array< double > > basis
Definition: PsfexPsf.cc:361