String.cpp

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/* Author: Mark Moll */
 
#include <stdexcept>
#include <sstream>
#include "ompl/util/String.h"
 
namespace
{
    template <class RealType>
    RealType toReal(const std::string &s)
    {
        // convert from string using classic "C" locale semantics
        std::istringstream stream(s);
        stream.imbue(std::locale::classic());
        RealType result;
        stream >> result;
        if (stream.fail() || !stream.eof())
            throw std::runtime_error("Failed converting string to real number");
        return result;
    }
 
    template <class RealType>
    std::string toString(RealType t)
    {
        // convert to string using classic "C" locale semantics
        std::ostringstream stream;
        stream.imbue(std::locale::classic());
        stream << t;
        return stream.str();
    }
}  // namespace
 
float ompl::stof(const std::string &str)
{
    return toReal<float>(str);
}
 
double ompl::stod(const std::string &str)
{
    return toReal<double>(str);
}
 
long double ompl::stold(const std::string &str)
{
    return toReal<long double>(str);
}
 
std::string ompl::toString(float val)
{
    return ::toString(val);
}
std::string ompl::toString(double val)
{
    return ::toString(val);
}
std::string ompl::toString(long double val)
{
    return ::toString(val);
}