Class CounterFunction

nevergrad/optimization/test_base.py:19–26

class CounterFunction:
    def __init__(self) -> None:
        self.count = 0

    def __call__(self, value: tp.ArrayLike) -> float:
        assert len(value) == 1
        self.count += 1
        return float(value[0] - 1) ** 2


class LoggingOptimizer(base.Optimizer):