code: def _ldexp(result, sig, exp):
      return elementwise.get_ldexp_kernel(
          result.context, result.dtype, sig.dtype, exp.dtype
      )
  
imports: import pyopencl.array
  import pyopencl.elementwise
  from pyopencl.array import _get_common_dtype
  import numpy
label_desc: Use image node_id 10 for calling a global function with example usage: _ldexp(result, sig, exp) and returns: elementwise