dds: use fast math for asf computations

2016-06-03 23:34:20 -04:00 · 2016-06-03 23:34:20 -04:00 · 0ac0547bca
parent e8aadd0a1a
commit 0ac0547bca
1 changed files with 2 additions and 2 deletions
--- a/artiq/coredevice/dds.py
+++ b/artiq/coredevice/dds.py
@ -125,12 +125,12 @@ class _DDSGeneric:
        word."""
        return pow/2**self.pow_width

-    @portable
+    @portable(flags=["fast-math"])
    def amplitude_to_asf(self, amplitude):
        """Returns amplitude scale factor corresponding to given amplitude."""
        return round(amplitude*0x0fff)

-    @portable
+    @portable(flags=["fast-math"])
    def asf_to_amplitude(self, asf):
        """Returns the amplitude corresponding to the given amplitude scale
           factor."""