# Copyright 2016-present CERN – European Organization for Nuclear Research
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import numbers
from decimal import Decimal
import numpy as np
[docs]def is_finite_number(variable) -> bool:
"""
Checks if the given variable is number and if it is finite.
Parameters
----------
variable
variable to be tested
Returns
-------
bool
True if the variable is the finite number, False otherwise
"""
if variable is not None and isinstance(variable, numbers.Number):
if isinstance(variable, Decimal):
return variable.is_finite()
return np.isfinite(variable)
return False