forked from M-Labs/artiq
coredevice/dds: use explicit 64-bit ints for ftw computations
This commit is contained in:
parent
1b9713115c
commit
a9cf89215b
@ -87,14 +87,14 @@ class _DDSGeneric:
|
||||
"""Returns the frequency tuning word corresponding to the given
|
||||
frequency.
|
||||
"""
|
||||
return round(2**32*frequency/self.sysclk)
|
||||
return round(int(2, width=64)**32*frequency/self.sysclk)
|
||||
|
||||
@portable
|
||||
def ftw_to_frequency(self, ftw):
|
||||
"""Returns the frequency corresponding to the given frequency tuning
|
||||
word.
|
||||
"""
|
||||
return ftw*self.sysclk/2**32
|
||||
return ftw*self.sysclk/int(2, width=64)**32
|
||||
|
||||
@portable
|
||||
def turns_to_pow(self, turns):
|
||||
|
Loading…
Reference in New Issue
Block a user