source: src/Helpers/helpers.hpp@ 143263

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Last change on this file since 143263 was 143263, checked in by Frederik Heber <heber@…>, 9 years ago

Added getSelected..Ids() for both atoms and molecules.

  • added static function getKey() to _take in Helpers.
  • Property mode set to 100644
File size: 1.3 KB
Line 
1/** \file helpers.hpp
2 *
3 * Declaration of some auxiliary functions for memory dis-/allocation and so on
4 */
5
6#ifndef HELPERS_HELPERS_HPP_
7#define HELPERS_HELPERS_HPP_
8
9using namespace std;
10
11/*********************************************** includes ***********************************/
12
13// include config.h
14#ifdef HAVE_CONFIG_H
15#include <config.h>
16#endif
17
18#include <cstdlib>
19
20/********************************************** helpful template functions *********************************/
21
22
23inline void performCriticalExit()
24{
25 exit(255);
26}
27
28
29// this is to allow different modes of access for
30// maps and sets
31template<typename Res,typename T>
32struct _take{
33 Res get(T value) const;
34 T getKey(T value) const;
35};
36
37// if we have a set,vector etc we can directly access the result
38template<typename Res>
39struct _take<Res,Res>{
40 static inline Res get(Res value){
41 return value;
42 }
43 static inline Res getKey(Res value){
44 return value;
45 }
46};
47
48// if we have a map we have to access the second part of
49// the pair and offer getKey for access to first
50template<typename Res,typename T1>
51struct _take<Res,std::pair<T1,Res> >{
52 static inline Res get(std::pair<T1,Res> value){
53 return value.second;
54 }
55 static inline T1 getKey(std::pair<T1,Res> value){
56 return value.first;
57 }
58};
59
60#endif /* HELPERS_HELPERS_HPP_*/
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