LSSTApplications  18.1.0
LSSTDataManagementBasePackage
MatrixMap.h
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22 #ifndef ASTSHIM_MATRIXMAP_H
23 #define ASTSHIM_MATRIXMAP_H
24 
25 #include <memory>
26 #include <vector>
27 
28 #include "ndarray.h"
29 
30 #include "astshim/base.h"
31 #include "astshim/Mapping.h"
32 
33 namespace ast {
34 
42 class MatrixMap : public Mapping {
43  friend class Object;
44 
45 public:
56  explicit MatrixMap(ConstArray2D const &matrix, std::string const &options = "")
57  : Mapping(reinterpret_cast<AstMapping *>(
58  // form 0 = full matrix, 1 = diagonal elements only
59  astMatrixMap(matrix.getSize<1>(), matrix.getSize<0>(), 0, matrix.getData(), "%s",
60  options.c_str()))) {
61  assertOK();
62  }
63 
73  explicit MatrixMap(std::vector<double> const &diag, std::string const &options = "")
74  : Mapping(reinterpret_cast<AstMapping *>(
75  // form 0 = full matrix, 1 = diagonal elements only
76  astMatrixMap(diag.size(), diag.size(), 1, diag.data(), "%s", options.c_str()))) {
77  assertOK();
78  }
79 
80  virtual ~MatrixMap() {}
81 
83  MatrixMap(MatrixMap const &) = default;
84  MatrixMap(MatrixMap &&) = default;
85  MatrixMap &operator=(MatrixMap const &) = delete;
86  MatrixMap &operator=(MatrixMap &&) = default;
87 
90 
91 protected:
92  virtual std::shared_ptr<Object> copyPolymorphic() const override {
93  return copyImpl<MatrixMap, AstMatrixMap>();
94  }
95 
97  explicit MatrixMap(AstMatrixMap *rawptr) : Mapping(reinterpret_cast<AstMapping *>(rawptr)) {
98  if (!astIsAMatrixMap(getRawPtr())) {
100  os << "this is a " << getClassName() << ", which is not a MatrixMap";
101  throw std::invalid_argument(os.str());
102  }
103  }
104 };
105 
106 } // namespace ast
107 
108 #endif
ndarray::Array< const double, 2, 2 > ConstArray2D
2D array of const double; typically used for lists of const points
Definition: base.h:46
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
MatrixMap is a form of Mapping which performs a general linear transformation.
Definition: MatrixMap.h:42
AST wrapper classes and functions.
std::string getClassName() const
Get Class: the name of the class (e.g.
Definition: Object.h:139
virtual std::shared_ptr< Object > copyPolymorphic() const override
Return a deep copy of this object.
Definition: MatrixMap.h:92
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST&#39;s state is bad.
Definition: base.cc:49
MatrixMap(AstMatrixMap *rawptr)
Construct a MatrixMap from a raw AST pointer.
Definition: MatrixMap.h:97
tuple options
Definition: lsstimport.py:47
An abstract base class for objects which transform one set of coordinates to another.
Definition: Mapping.h:59
MatrixMap & operator=(MatrixMap const &)=delete
STL class.
virtual ~MatrixMap()
Definition: MatrixMap.h:80
char * data
Definition: BaseRecord.cc:62
std::shared_ptr< MatrixMap > copy() const
Return a deep copy of this object.
Definition: MatrixMap.h:89
T str(T... args)
T static_pointer_cast(T... args)
Abstract base class for all AST objects.
Definition: Object.h:51
MatrixMap(std::vector< double > const &diag, std::string const &options="")
Construct a MatrixMap from a 1-d vector of diagonal elements of a diagonal matrix.
Definition: MatrixMap.h:73
MatrixMap(ConstArray2D const &matrix, std::string const &options="")
Construct a MatrixMap from a 2-d matrix.
Definition: MatrixMap.h:56
std::ostream * os
Definition: Schema.cc:746