Number.h

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#ifndef ELEMENTSKERNEL_ELEMENTSKERNEL_NUMBER_H_
#define ELEMENTSKERNEL_ELEMENTSKERNEL_NUMBER_H_
 
#include <cmath>        // for round
#include <type_traits>  // for is_floating_point, is_integral
 
#include "ElementsKernel/Export.h"  // ELEMENTS_API
 
namespace Elements {
 
template <typename TargetType, typename SourceType>
ELEMENTS_API TargetType numberCast(const SourceType& s) {
 
  using std::is_floating_point;
  using std::is_integral;
  using std::round;
 
  TargetType t = static_cast<TargetType>(s);
 
  if (is_floating_point<SourceType>::value && is_integral<TargetType>::value) {
    t = static_cast<TargetType>(round(s));
  }
 
  return t;
}
 
}  // namespace Elements
 
#endif  // ELEMENTSKERNEL_ELEMENTSKERNEL_NUMBER_H_