code: def vap(x, a, b, c):
      """Vapor pressure model
  
      Parameters
      ----------
      x : int
      a : float
      b : float
      c : float
  
      Returns
      -------
      float
          np.exp(a+b/x+c*np.log(x))
      """
      return np.exp(a + b / x + c * np.log(x))
  
file_path: nni/nni/algorithms/hpo/curvefitting_assessor/curvefunctions.py
imports: import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: vap(x, a, b, c) and returns: np