src/ieee754/fpcommon/normtopack.py

   1 """IEEE754 Floating Point Pipeline
   2
   3 Copyright (C) 2019 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
   4
   5 """
   6
   7 from nmutil.pipemodbase import PipeModBaseChain
   8 from ieee754.fpcommon.postnormalise import FPNorm1ModSingle
   9 from ieee754.fpcommon.roundz import FPRoundMod
  10 from ieee754.fpcommon.corrections import FPCorrectionsMod
  11 from ieee754.fpcommon.pack import FPPackMod
  12
  13
  14 class FPNormToPack(PipeModBaseChain):
  15
  16     def __init__(self, pspec, e_extra=False):
  17         self.e_extra = e_extra
  18         super().__init__(pspec)
  19
  20     def get_chain(self):
  21         """ gets chain of modules
  22         """
  23         # Normalisation, Rounding Corrections, Pack - in a chain
  24         nmod = FPNorm1ModSingle(self.pspec, e_extra=self.e_extra)
  25         rmod = FPRoundMod(self.pspec)
  26         cmod = FPCorrectionsMod(self.pspec)
  27         pmod = FPPackMod(self.pspec)
  28
  29         return [nmod, rmod, cmod, pmod]