Source code for ax.metrics.branin
#!/usr/bin/env python3
# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
# pyre-strict
import numpy.typing as npt
from ax.metrics.noisy_function import NoisyFunctionMetric
from ax.utils.common.typeutils import checked_cast
from ax.utils.measurement.synthetic_functions import aug_branin, branin
[docs]
class BraninMetric(NoisyFunctionMetric):
[docs]
def f(self, x: npt.NDArray) -> float:
x1, x2 = x
return checked_cast(float, branin(x1=x1, x2=x2))
[docs]
class NegativeBraninMetric(BraninMetric):
[docs]
def f(self, x: npt.NDArray) -> float:
fpos = super().f(x)
return -fpos
[docs]
class AugmentedBraninMetric(NoisyFunctionMetric):
[docs]
def f(self, x: npt.NDArray) -> float:
return checked_cast(float, aug_branin(x))