code: def translate_alpha_to_x(alpha, x_input, x_baseline):
      """Translates alpha to the point coordinates within straight-line interval.
  
       Args:
        alpha: the relative location of the point between x_baseline and x_input.
        x_input: the end point of the straight-line path.
        x_baseline: the start point of the straight-line path.
  
      Returns:
        The coordinates of the point within [x_baseline, x_input] interval
        that correspond to the given value of alpha.
      """
      assert 0 <= alpha <= 1.0
      return x_baseline + (x_input - x_baseline) * alpha
  
file_path: saliency/saliency/core/guided_ig.py
imports: from .base import CoreSaliency
  from .base import INPUT_OUTPUT_GRADIENTS
  import math
  import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: translate_alpha_to_x(alpha, x_input, x_baseline) and returns: unknown