move add to ieee754 directory

[ieee754fpu.git] / src / add / fpcommon / corrections.py

diff --git a/src/add/fpcommon/corrections.py b/src/add/fpcommon/corrections.py
deleted file mode 100644 (file)
index ce9ba3c..0000000
--- a/src/add/fpcommon/corrections.py
+++ /dev/null
@@ -1,69 +0,0 @@
-# IEEE Floating Point Adder (Single Precision)
-# Copyright (C) Jonathan P Dawson 2013
-# 2013-12-12
-
-from nmigen import Module, Elaboratable
-from nmigen.cli import main, verilog
-from fpbase import FPState
-from fpcommon.roundz import FPRoundData
-
-
-class FPCorrectionsMod(Elaboratable):
-
-    def __init__(self, width, id_wid):
-        self.width = width
-        self.id_wid = id_wid
-        self.i = self.ispec()
-        self.out_z = self.ospec()
-
-    def ispec(self):
-        return FPRoundData(self.width, self.id_wid)
-
-    def ospec(self):
-        return FPRoundData(self.width, self.id_wid)
-
-    def process(self, i):
-        return self.out_z
-
-    def setup(self, m, i):
-        """ links module to inputs and outputs
-        """
-        m.submodules.corrections = self
-        m.d.comb += self.i.eq(i)
-
-    def elaborate(self, platform):
-        m = Module()
-        m.submodules.corr_in_z = self.i.z
-        m.submodules.corr_out_z = self.out_z.z
-        m.d.comb += self.out_z.eq(self.i) # copies mid, z, out_do_z
-        with m.If(~self.i.out_do_z):
-            with m.If(self.i.z.is_denormalised):
-                m.d.comb += self.out_z.z.e.eq(self.i.z.N127)
-        return m
-
-
-class FPCorrections(FPState):
-
-    def __init__(self, width, id_wid):
-        FPState.__init__(self, "corrections")
-        self.mod = FPCorrectionsMod(width)
-        self.out_z = self.ospec()
-
-    def ispec(self):
-        return self.mod.ispec()
-
-    def ospec(self):
-        return self.mod.ospec()
-
-    def setup(self, m, in_z):
-        """ links module to inputs and outputs
-        """
-        self.mod.setup(m, in_z)
-
-        m.d.sync += self.out_z.eq(self.mod.out_z)
-        m.d.sync += self.out_z.mid.eq(self.mod.o.mid)
-
-    def action(self, m):
-        m.next = "pack"
-
-