def __call__()

in fvcore/common/param_scheduler.py [0:0]


    def __call__(self, where: float) -> float:
        # Find scheduler corresponding to where
        i = 0
        running_total = self._lengths[i]
        while (where + self.WHERE_EPSILON) > running_total and i < len(
            self._schedulers
        ) - 1:
            i += 1
            running_total += self._lengths[i]
        scheduler = self._schedulers[i]
        scheduler_where = where
        interval_scale = self._interval_scaling[i]
        if interval_scale == "rescaled":
            # Calculate corresponding where % for scheduler
            scheduler_start = running_total - self._lengths[i]
            scheduler_where = (where - scheduler_start) / self._lengths[i]
        return scheduler(scheduler_where)