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LSST Data Management Base Package
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lsst::jointcal::PolyXY Class Reference

Public Member Functions

 PolyXY (const int order)
 
std::size_t getOrder () const
 
 PolyXY (AstrometryTransformPolynomial const &transform, std::size_t whichCoord)
 
long double getCoefficient (std::size_t powX, std::size_t powY) const
 
long double & getCoefficient (std::size_t powX, std::size_t powY)
 

Detailed Description

Definition at line 961 of file AstrometryTransform.cc.

Constructor & Destructor Documentation

◆ PolyXY() [1/2]

lsst::jointcal::PolyXY::PolyXY ( const int order)
inline

Definition at line 967 of file AstrometryTransform.cc.

967 : order(order), nterms((order + 1) * (order + 2) / 2) {
968 coeffs.reserve(nterms);
969 coeffs.insert(coeffs.begin(), nterms, 0L); // fill & initialize to 0.
970 }

◆ PolyXY() [2/2]

lsst::jointcal::PolyXY::PolyXY ( AstrometryTransformPolynomial const & transform,
std::size_t whichCoord )
inline

Definition at line 974 of file AstrometryTransform.cc.

975 : order(transform.getOrder()), nterms((order + 1) * (order + 2) / 2), coeffs(nterms, 0L) {
976 for (std::size_t px = 0; px <= order; ++px)
977 for (std::size_t py = 0; py <= order - px; ++py) {
978 getCoefficient(px, py) = transform.getCoefficient(px, py, whichCoord);
979 }
980 }
long double getCoefficient(std::size_t powX, std::size_t powY) const
decltype(sizeof(void *)) size_t
Definition doctest.h:524
T transform(T... args)

Member Function Documentation

◆ getCoefficient() [1/2]

long double & lsst::jointcal::PolyXY::getCoefficient ( std::size_t powX,
std::size_t powY )
inline

Definition at line 987 of file AstrometryTransform.cc.

987 {
988 assert(powX + powY <= order);
989 return coeffs.at((powX + powY) * (powX + powY + 1) / 2 + powY);
990 }

◆ getCoefficient() [2/2]

long double lsst::jointcal::PolyXY::getCoefficient ( std::size_t powX,
std::size_t powY ) const
inline

Definition at line 982 of file AstrometryTransform.cc.

982 {
983 assert(powX + powY <= order);
984 return coeffs.at((powX + powY) * (powX + powY + 1) / 2 + powY);
985 }

◆ getOrder()

std::size_t lsst::jointcal::PolyXY::getOrder ( ) const
inline

Definition at line 972 of file AstrometryTransform.cc.

972{ return order; }

The documentation for this class was generated from the following file: