code: def vecnorm(x, ord=2):
      if ord == Inf:
          return numpy.amax(numpy.abs(x))
      elif ord == -Inf:
          return numpy.amin(numpy.abs(x))
      else:
          return numpy.sum(numpy.abs(x) ** ord, axis=0) ** (1.0 / ord)
  
imports: from __future__ import division, print_function, absolute_import
  import warnings
  import sys
  import numpy
  from scipy._lib.six import callable, xrange
  from numpy import atleast_1d, eye, mgrid, argmin, zeros, shape, squeeze, vectorize, asarray, sqrt, Inf, asfarray, isinf
  import numpy
  from .linesearch import line_search_wolfe1, line_search_wolfe2, line_search_wolfe2, LineSearchWarning
  from scipy._lib._util import getargspec_no_self
label_desc: Use image node_id 3 for calling a global function with example usage: vecnorm(x, ord) and returns: numpy, numpy, unknown