#include <cmath>

            int delta = retryInterval * powf(retryBackoff, info->consecutiveFailures - 1) + (rand() % 30);

            int delta = retryInterval * std::pow(retryBackoff, info->consecutiveFailures - 1) + (rand() % 30);

            int delta = retryInterval * powf(retryBackoff, step_->tries - 1) + (rand() % 10);

            int delta = retryInterval * std::pow(retryBackoff, step_->tries - 1) + (rand() % 10);

#include <cmath>

                float ta = roundf(a.currentJobs / a.machine->speedFactor);
                float tb = roundf(b.currentJobs / b.machine->speedFactor);

                float ta = std::round(a.currentJobs / a.machine->speedFactor);
                float tb = std::round(b.currentJobs / b.machine->speedFactor);