LSST Applications  21.0.0+04719a4bac,21.0.0-1-ga51b5d4+f5e6047307,21.0.0-11-g2b59f77+a9c1acf22d,21.0.0-11-ga42c5b2+86977b0b17,21.0.0-12-gf4ce030+76814010d2,21.0.0-13-g1721dae+760e7a6536,21.0.0-13-g3a573fe+768d78a30a,21.0.0-15-g5a7caf0+f21cbc5713,21.0.0-16-g0fb55c1+b60e2d390c,21.0.0-19-g4cded4ca+71a93a33c0,21.0.0-2-g103fe59+bb20972958,21.0.0-2-g45278ab+04719a4bac,21.0.0-2-g5242d73+3ad5d60fb1,21.0.0-2-g7f82c8f+8babb168e8,21.0.0-2-g8f08a60+06509c8b61,21.0.0-2-g8faa9b5+616205b9df,21.0.0-2-ga326454+8babb168e8,21.0.0-2-gde069b7+5e4aea9c2f,21.0.0-2-gecfae73+1d3a86e577,21.0.0-2-gfc62afb+3ad5d60fb1,21.0.0-25-g1d57be3cd+e73869a214,21.0.0-3-g357aad2+ed88757d29,21.0.0-3-g4a4ce7f+3ad5d60fb1,21.0.0-3-g4be5c26+3ad5d60fb1,21.0.0-3-g65f322c+e0b24896a3,21.0.0-3-g7d9da8d+616205b9df,21.0.0-3-ge02ed75+a9c1acf22d,21.0.0-4-g591bb35+a9c1acf22d,21.0.0-4-g65b4814+b60e2d390c,21.0.0-4-gccdca77+0de219a2bc,21.0.0-4-ge8a399c+6c55c39e83,21.0.0-5-gd00fb1e+05fce91b99,21.0.0-6-gc675373+3ad5d60fb1,21.0.0-64-g1122c245+4fb2b8f86e,21.0.0-7-g04766d7+cd19d05db2,21.0.0-7-gdf92d54+04719a4bac,21.0.0-8-g5674e7b+d1bd76f71f,master-gac4afde19b+a9c1acf22d,w.2021.13
LSST Data Management Base Package
MapSplit.cc
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22 #include <cmath>
23 #include <limits>
24 #include <sstream>
25 #include <stdexcept>
26 
27 #include "astshim/base.h"
28 #include "astshim/detail/utils.h"
29 #include "astshim/Object.h"
30 #include "astshim/Mapping.h"
31 #include "astshim/MapSplit.h"
32 
33 namespace ast {
34 
36  std::vector<int> locOut;
37  locOut.reserve(map.getNOut()); // the max # of elements astMapSplit may set
38  AstMapping *rawSplitMap;
39  astMapSplit(map.getRawPtr(), in.size(), in.data(), locOut.data(), &rawSplitMap);
40  assertOK();
41  if (!rawSplitMap) {
42  throw std::runtime_error("Could not split the map");
43  }
44  splitMap = Object::fromAstObject<Mapping>(reinterpret_cast<AstObject *>(rawSplitMap), false);
45  origIn = in;
46  // copy the splitMap->getNOut() elements of `locOut` that contain data to `origOut`
47  const int newNOut = splitMap->getNOut();
48  for (int i = 0; i < newNOut; ++i) {
49  origOut.push_back(locOut[i]);
50  }
51 }
52 
53 } // namespace ast
MapSplit(Mapping const &map, std::vector< int > const &in)
Construct a MapSplit.
Definition: MapSplit.cc:35
std::shared_ptr< Mapping > splitMap
The Mapping that was split off.
Definition: MapSplit.h:67
std::vector< int > origIn
Indices of the inputs of the original mapping were picked for the split mapping.
Definition: MapSplit.h:73
std::vector< int > origOut
Indices of the outputs of the original mapping which are fed by the picked inputs.
Definition: MapSplit.h:83
An abstract base class for objects which transform one set of coordinates to another.
Definition: Mapping.h:59
int getNOut() const
Get NOut: the number of output axes.
Definition: Mapping.h:82
AstObject const * getRawPtr() const
Get the raw AST pointer.
Definition: Object.h:292
T data(T... args)
AST wrapper classes and functions.
void assertOK(AstObject *rawPtr1=nullptr, AstObject *rawPtr2=nullptr)
Throw std::runtime_error if AST's state is bad.
Definition: base.cc:49
T push_back(T... args)
T reserve(T... args)
T size(T... args)