LSST Applications 27.0.0,g0265f82a02+469cd937ee,g02d81e74bb+21ad69e7e1,g1470d8bcf6+cbe83ee85a,g2079a07aa2+e67c6346a6,g212a7c68fe+04a9158687,g2305ad1205+94392ce272,g295015adf3+81dd352a9d,g2bbee38e9b+469cd937ee,g337abbeb29+469cd937ee,g3939d97d7f+72a9f7b576,g487adcacf7+71499e7cba,g50ff169b8f+5929b3527e,g52b1c1532d+a6fc98d2e7,g591dd9f2cf+df404f777f,g5a732f18d5+be83d3ecdb,g64a986408d+21ad69e7e1,g858d7b2824+21ad69e7e1,g8a8a8dda67+a6fc98d2e7,g99cad8db69+f62e5b0af5,g9ddcbc5298+d4bad12328,ga1e77700b3+9c366c4306,ga8c6da7877+71e4819109,gb0e22166c9+25ba2f69a1,gb6a65358fc+469cd937ee,gbb8dafda3b+69d3c0e320,gc07e1c2157+a98bf949bb,gc120e1dc64+615ec43309,gc28159a63d+469cd937ee,gcf0d15dbbd+72a9f7b576,gdaeeff99f8+a38ce5ea23,ge6526c86ff+3a7c1ac5f1,ge79ae78c31+469cd937ee,gee10cc3b42+a6fc98d2e7,gf1cff7945b+21ad69e7e1,gfbcc870c63+9a11dc8c8f
LSST Data Management Base Package
Loading...
Searching...
No Matches
polyMapUtils.cc
Go to the documentation of this file.
1/*
2 * LSST Data Management System
3 * Copyright 2017 AURA/LSST.
4 *
5 * This product includes software developed by the
6 * LSST Project (http://www.lsst.org/).
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the LSST License Statement and
19 * the GNU General Public License along with this program. If not,
20 * see <https://www.lsstcorp.org/LegalNotices/>.
21 */
23#include "astshim/ChebyMap.h"
24#include "astshim/PolyMap.h"
25
26namespace ast {
27namespace detail {
28
29template <class AstMapT, class MapT>
30AstMapT *polyTranImpl(MapT const &mapping, bool forward, double acc, double maxacc, int maxorder,
31 std::vector<double> const &lbnd, std::vector<double> const &ubnd) {
32 // desired size of lbnd and ubnd
33 auto const bndSize = static_cast<unsigned int>(forward ? mapping.getNOut() : mapping.getNIn());
34
35 if (lbnd.size() != bndSize) {
37 os << "lbnd.size() = " << lbnd.size() << " != " << bndSize << " = "
38 << (forward ? "getNOut()" : "getNIn()");
39 throw std::invalid_argument(os.str());
40 }
41 if (ubnd.size() != bndSize) {
43 os << "ubnd.size() = " << ubnd.size() << " != " << bndSize << " = "
44 << (forward ? "getNOut()" : "getNIn()");
45 throw std::invalid_argument(os.str());
46 }
47
48 void *outRawMap = astPolyTran(mapping.getRawPtr(), static_cast<int>(forward), acc, maxacc, maxorder,
49 lbnd.data(), ubnd.data());
50 // Failure should result in a null pointer, so calling assertOK is unlikely to do anything,
51 // but better to be sure and than risk missing an uncaught error.
52 assertOK(reinterpret_cast<AstObject *>(outRawMap));
53 if (!outRawMap) {
54 throw std::runtime_error("Could not compute an inverse mapping");
55 }
56 return reinterpret_cast<AstMapT *>(outRawMap);
57}
58
59// Explicit instantiations
60template AstChebyMap *polyTranImpl<AstChebyMap>(ChebyMap const &, bool, double, double, int,
62template AstPolyMap *polyTranImpl<AstPolyMap>(PolyMap const &, bool, double, double, int,
64
65} // namespace detail
66} // namespace ast
std::ostream * os
Definition Schema.cc:557
A ChebyMap is a form of Mapping which performs a Chebyshev polynomial transformation.
Definition ChebyMap.h:97
PolyMap is a Mapping which performs a general polynomial transformation.
Definition PolyMap.h:49
T data(T... args)
AstMapT * polyTranImpl(MapT const &mapping, bool forward, double acc, double maxacc, int maxorder, std::vector< double > const &lbnd, std::vector< double > const &ubnd)
Call astPolyTran to set (or replace) one direction of a polynomial transform with a fit based on the ...
template AstPolyMap * polyTranImpl< AstPolyMap >(PolyMap const &, bool, double, double, int, std::vector< double > const &, std::vector< double > const &)
template AstChebyMap * polyTranImpl< AstChebyMap >(ChebyMap const &, bool, double, double, int, std::vector< double > const &, std::vector< double > const &)
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 size(T... args)