StellarModel.py 文件源码

def __call__(self, value):
        '''
        Evaluate the interpolator at a parameter.

        :param value:
        :type value: float
        :raises C.InterpolationError: if *value* is out of bounds.

        :returns: ((low_val, high_val), (frac_low, frac_high)), the lower and higher bounding points in the grid
        and the fractional distance (0 - 1) between them and the value.
        '''
        try:
            index = self.index_interpolator(value)
        except ValueError as e:
            raise InterpolationError("Requested value {} is out of bounds. {}".format(value, e))
        high = np.ceil(index)
        low = np.floor(index)
        frac_index = index - low
        return ((self.parameter_list[low], self.parameter_list[high]), ((1 - frac_index), frac_index))