core.py 文件源码

def _check_domain(self, value):
        """
        checks if value fits into domain

        :param value: point(s) where function shall be evaluated
        :raises: ValueError if value not in domain
        """
        in_domain = False
        value = np.atleast_1d(value)
        for interval in self.domain:
            if all(value >= interval[0]) and all(value <= interval[1]):
                in_domain = True
                break

        if not in_domain:
            raise ValueError("Function evaluated outside its domain!")