OpenMS  3.0.0
PrecisionWrapper.h
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31 // $Maintainer: Timo Sachsenberg $
32 // $Authors: Marc Sturm, Clemens Groepl $
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34 
35 #pragma once
36 
37 #include <OpenMS/config.h>
38 #include <OpenMS/CONCEPT/Types.h>
40 #include <iostream>
41 
42 namespace OpenMS
43 {
44 
48  template <typename FloatingPointType>
50  {
52  explicit PrecisionWrapper(const FloatingPointType rhs) :
53  ref_(rhs) {}
55  ref_(rhs.ref_) {}
56  FloatingPointType const ref_;
57 private:
58  PrecisionWrapper(); // intentionally not implemented
59  };
60 
94  template <typename FloatingPointType>
95  inline const PrecisionWrapper<FloatingPointType> precisionWrapper(const FloatingPointType rhs)
96  {
98  }
99 
101  template <typename FloatingPointType>
102  inline std::ostream & operator<<(std::ostream & os, const PrecisionWrapper<FloatingPointType> & rhs)
103  {
104  // manual conversion to String is much faster than ostreams internal conversion
105  // (this calls the correct overload for extra precision)
106  String s(rhs.ref_, true);
107  os << s;
108  return os;
109  }
110 } // namespace OpenMS
111 
Types.h
OpenMS::String
A more convenient string class.
Definition: String.h:58
OpenMS::PrecisionWrapper::PrecisionWrapper
PrecisionWrapper(const FloatingPointType rhs)
Constructor. Note: Normally you will prefer to use the "make"-function precisionWrapper(),...
Definition: PrecisionWrapper.h:52
OpenMS
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:47
OpenMS::PrecisionWrapper::PrecisionWrapper
PrecisionWrapper()
OpenMS::precisionWrapper
const PrecisionWrapper< FloatingPointType > precisionWrapper(const FloatingPointType rhs)
Wrapper function that sets the appropriate precision for output temporarily. The original precision i...
Definition: PrecisionWrapper.h:95
OpenMS::operator<<
std::ostream & operator<<(std::ostream &os, const AccurateMassSearchResult &amsr)
OpenMS::PrecisionWrapper::ref_
const FloatingPointType ref_
Definition: PrecisionWrapper.h:56
OpenMS::PrecisionWrapper::PrecisionWrapper
PrecisionWrapper(const PrecisionWrapper &rhs)
Definition: PrecisionWrapper.h:54
OpenMS::PrecisionWrapper
Wrapper class to implement output with appropriate precision. See precisionWrapper().
Definition: PrecisionWrapper.h:49
String.h