From abae5c67283a5e10d0b58ec7292f4f1894ded032 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 17 Nov 2014 18:36:00 -0700
Subject: [PATCH] coredevice/dds: round FTW instead of flooring

---
 artiq/coredevice/dds.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/artiq/coredevice/dds.py b/artiq/coredevice/dds.py
index a8a726401..dce18f2e9 100644
--- a/artiq/coredevice/dds.py
+++ b/artiq/coredevice/dds.py
@@ -29,7 +29,7 @@ class DDS(AutoContext):
         frequency.
 
         """
-        return int(2**32*frequency/self.dds_sysclk)
+        return round(2**32*frequency/self.dds_sysclk)
 
     @portable
     def ftw_to_frequency(self, ftw):