From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 14 Feb 2019 12:47:12 +0000 (+0000)
Subject: add set-to-zero function
X-Git-Tag: ls180-24jan2020~1999
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=486d6745fad6f8e16fd9e418847f8ca82a8ea453;p=ieee754fpu.git

add set-to-zero function
---

diff --git a/src/add/nmigen_add_experiment.py b/src/add/nmigen_add_experiment.py
index 914074c9..ae5d5892 100644
--- a/src/add/nmigen_add_experiment.py
+++ b/src/add/nmigen_add_experiment.py
@@ -47,6 +47,9 @@ class FPNum:
     def inf(self, s):
         return self.create(s, 0x80, 0)
 
+    def zero(self, s):
+        return self.create(s, -127, 0)
+
     def is_nan(self):
         return (self.e == 128) & (self.m != 0)