int digit = 1;
float result=0.0;
double temp = 200000;
float tick = 0.00100000005;

result = digit/1000000.0;
long long phase = temp*result*1000/tick*1000

inline long long units_to_microns(long long units) { return units * 1000000; }
long long digit = units_to_microns(1);
long long result = digit / 1000000;

std::string microns_to_string(long long microns)
{
    std::ostringstream oss;
    oss << microns / 1000000;
    if (microns % 1000000)
        oss << '.' << std::setfill('0') << std::setw(6) << microns;
    return oss.str();
}