forked from M-Labs/artiq
language/RandomScan: automatic seed by default
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@ -18,7 +18,7 @@ iterators are independent from each other.
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Scan objects are supported both on the host and the core device.
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"""
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from random import Random, shuffle
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import random
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import inspect
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from artiq.language.core import *
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@ -89,12 +89,16 @@ class LinearScan(ScanObject):
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class RandomScan(ScanObject):
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"""A scan object that yields a fixed number of randomly ordered evenly
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spaced values in a range."""
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def __init__(self, start, stop, npoints, seed=0):
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def __init__(self, start, stop, npoints, seed=None):
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self.start = start
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self.stop = stop
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self.npoints = npoints
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self.sequence = list(LinearScan(start, stop, npoints))
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shuffle(self.sequence, Random(seed).random)
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if seed is None:
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rf = random.random
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else:
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rf = Random(seed).random
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random.shuffle(self.sequence, rf)
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@portable
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def __iter__(self):
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