| OpenMS 2.5.0

Helpers.h
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2 // OpenMS -- Open-Source Mass Spectrometry
3 // --------------------------------------------------------------------------
4 // Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
5 // ETH Zurich, and Freie Universitaet Berlin 2002-2020.
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30 // --------------------------------------------------------------------------
31 // $Maintainer: Hannes Roest $
32 // $Authors: Hannes Roest $
33 // --------------------------------------------------------------------------
34
35 #pragma once
36
37 #include <vector>
38 #include <boost/shared_ptr.hpp>
39
40 namespace OpenMS
41 {
42 namespace Helpers
43 {
44
48 template <class T>
49 const std::vector<boost::shared_ptr<const T> >&
50 constifyPointerVector(const std::vector<boost::shared_ptr<T> >& vec)
51 {
52 return reinterpret_cast<const std::vector<boost::shared_ptr<const T> >&>(vec);
53 }
54
55
59 template <class PtrType>
60 inline bool cmpPtrSafe(const PtrType& a, const PtrType& b)
61 {
62 // We are not interested whether the pointers are equal but whether the
63 // contents are equal
64 if (a == nullptr && b == nullptr)
65 {
66 return true;
67 }
68 else if (a == nullptr || b == nullptr)
69 {
70 return false; // one is null the other is not
71 }
72 else
73 {
74 // compare the internal object
75 return (*a == *b);
76 }
77 }
78
82 template <class ContainerType>
83 inline bool cmpPtrContainer(const ContainerType& a, const ContainerType& b)
84 {
85 if (a.size() != b.size()) return false;
86
87 // check that all elements of a and b are equal using safe comparison
88 // (taking NULL into account)
89 for (typename ContainerType::size_type i = 0; i < a.size(); i++)
90 {
91 if (!cmpPtrSafe(a[i], b[i]))
92 {
93 return false;
94 }
95 }
96 return true;
97 }
98
99 }
100 }
101
102
OpenMS::Helpers::cmpPtrSafe
bool cmpPtrSafe(const PtrType &a, const PtrType &b)
Helper comparing two pointers for equality (taking NULL into account)
Definition: Helpers.h:60
OpenMS::Helpers::cmpPtrContainer
bool cmpPtrContainer(const ContainerType &a, const ContainerType &b)
Helper function to compare two pointer-containers for equality of all elements.
Definition: Helpers.h:83
OpenMS::Helpers::constifyPointerVector
const std::vector< boost::shared_ptr< const T > > & constifyPointerVector(const std::vector< boost::shared_ptr< T > > &vec)
Helper function to add constness to a vector of shared pointers.
Definition: Helpers.h:50
OpenMS
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:46