Alexandria  2.19
Please provide a description of the project.
XYDataset.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2012-2021 Euclid Science Ground Segment
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License as published by the Free
6  * Software Foundation; either version 3.0 of the License, or (at your option)
7  * any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
26 #include <algorithm>
27 #include <iostream>
28 #include <utility>
29 
31 #include "XYDataset/XYDataset.h"
32 
33 namespace Euclid {
34 namespace XYDataset {
35 
36 XYDataset::const_iterator XYDataset::begin() const {
37  return m_values.cbegin();
38 }
39 
40 XYDataset::const_iterator XYDataset::end() const {
41  return m_values.cend();
42 }
43 
44 const std::pair<double, double>& XYDataset::front() const {
45  return m_values.front();
46 }
47 
48 const std::pair<double, double>& XYDataset::back() const {
49  return m_values.back();
50 }
51 
52 XYDataset XYDataset::factory(std::vector<std::pair<double, double>> vector_pair) {
53  return (XYDataset(std::move(vector_pair)));
54 }
55 
56 XYDataset XYDataset::factory(const std::vector<double>& x_vector, const std::vector<double>& y_vector) {
57  size_t x_size = x_vector.size();
58  size_t y_size = y_vector.size();
59  // Vector must have the same size
60  if (x_size != y_size) {
61  throw Elements::Exception() << " Vectors must have "
62  << "the same size! x size: %d" << x_size << " y_size : %d" << y_size;
63  }
64 
66  vector_pair.reserve(x_size);
67 
68  // Make the pair vector
69  transform(x_vector.begin(), x_vector.end(), y_vector.begin(), back_inserter(vector_pair),
70  [](double a, double b) { return std::make_pair(a, b); });
71 
72  return (XYDataset(move(vector_pair)));
73 }
74 
75 } /* namespace XYDataset */
76 } // end of namespace Euclid
T back(T... args)
T cbegin(T... args)
This module provides an interface for accessing two dimensional datasets (pairs of (X,...
Definition: XYDataset.h:59
std::vector< std::pair< double, double > > m_values
Definition: XYDataset.h:154
XYDataset(std::vector< std::pair< double, double >> values)
Constructor XYDataset interface represents an immutable data set.
Definition: XYDataset.h:76
std::vector< std::pair< double, double > >::const_iterator const_iterator
Definition: XYDataset.h:62
T cend(T... args)
T front(T... args)
T make_pair(T... args)
T move(T... args)
T reserve(T... args)
T size(T... args)