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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef CONVENIENCE_H_LU7GZ6CB
#define CONVENIENCE_H_LU7GZ6CB
namespace uscxml {
inline bool isnan(double x) {
return x != x;
}
// see http://stackoverflow.com/questions/228005/alternative-to-itoa-for-converting-integer-to-string-c
template <typename T> std::string toStr(T tmp) {
std::ostringstream out;
out.precision(std::numeric_limits<double>::digits10 + 1);
out << tmp;
return out.str();
}
template <typename T> T strTo(std::string tmp) {
T output;
std::istringstream in(tmp);
in >> output;
return output;
}
inline bool isNumeric( const char* pszInput, int nNumberBase) {
std::string base = ".-0123456789ABCDEF";
std::string input = pszInput;
return (input.find_first_not_of(base.substr(0, nNumberBase + 2)) == std::string::npos);
}
inline bool iequals(const std::string& a, const std::string& b) {
// this impementation beats boost::iequals 2700ms vs 2100ms for test-performance.scxml
unsigned int size = a.size();
if (b.size() != size)
return false;
for (unsigned int i = 0; i < size; ++i)
if (tolower(a[i]) != tolower(b[i]))
return false;
return true;
}
}
#endif /* end of include guard: CONVENIENCE_H_LU7GZ6CB */
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