String.cpp
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34 
35 /* Author: Mark Moll */
36 
37 #include <stdexcept>
38 #include <sstream>
39 #include "ompl/util/String.h"
40 
41 namespace
42 {
43  template <class RealType>
44  RealType toReal(const std::string &s)
45  {
46  // convert from string using classic "C" locale semantics
47  std::istringstream stream(s);
48  stream.imbue(std::locale::classic());
49  RealType result;
50  stream >> result;
51  if (stream.fail() || !stream.eof())
52  throw std::runtime_error("Failed converting string to real number");
53  return result;
54  }
55 
56  template <class RealType>
57  std::string toString(RealType t)
58  {
59  // convert to string using classic "C" locale semantics
60  std::ostringstream stream;
61  stream.imbue(std::locale::classic());
62  stream << t;
63  return stream.str();
64  }
65 } // namespace
66 
67 float ompl::stof(const std::string &str)
68 {
69  return toReal<float>(str);
70 }
71 
72 double ompl::stod(const std::string &str)
73 {
74  return toReal<double>(str);
75 }
76 
77 long double ompl::stold(const std::string &str)
78 {
79  return toReal<long double>(str);
80 }
81 
82 std::string ompl::toString(float val)
83 {
84  return ::toString(val);
85 }
86 std::string ompl::toString(double val)
87 {
88  return ::toString(val);
89 }
90 std::string ompl::toString(long double val)
91 {
92  return ::toString(val);
93 }
double stod(const std::string &str)
convert string to double using classic "C" locale semantics
Definition: String.cpp:72
std::string toString(float val)
convert float to string using classic "C" locale semantics
Definition: String.cpp:82
long double stold(const std::string &str)
convert string to long double using classic "C" locale semantics
Definition: String.cpp:77
float stof(const std::string &str)
convert string to float using classic "C" locale semantics
Definition: String.cpp:67