Misc.h

Go to the documentation of this file.

// Copyright CERN 2012 - Developed in collaboration with GSI

#ifndef MISC_H_
#define MISC_H_

#include <cmath>
#include <limits>

namespace fesa
{

class Miscellaneous
{
  public:
    static uint32_t digits(int64_t number)
    {
        // Avoid doing work if number is 0
        if (number != 0)
        {
            double lg = log10((double) abs(number));
            double eps = std::numeric_limits<double>::epsilon();
            return static_cast<uint32_t> (1 + lg + eps);
        }
        else
            return 1;
    }
};

} // fesa

#endif // MISC_H_