code: def _sinpi_real(x):
      if x < 0:
          return -_sinpi_real(-x)
      n, r = divmod(x, 0.5)
      r *= pi
      n %= 4
      if n == 0:
          return math.sin(r)
      if n == 1:
          return math.cos(r)
      if n == 2:
          return -math.sin(r)
      if n == 3:
          return -math.cos(r)
  
imports: import operator
  import math
  import cmath
label_desc: Use image node_id 5 for calling a global function with example usage: _sinpi_real(x) and returns: unknown, math, math, unknown, unknown