mirror of https://github.com/m-labs/artiq.git
language/scan: fix random scan, add explicit scan, specify what runs on host/device
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@ -1,4 +1,6 @@
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from random import Random
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from random import Random, shuffle
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from artiq.language.core import *
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class LinearScan:
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@ -7,28 +9,32 @@ class LinearScan:
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self.max = max
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self.npoints = npoints
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@portable
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def _gen(self):
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r = self.max - self.min
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d = self.npoints - 1
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for i in range(self.npoints):
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yield r*i/d + self.min
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@portable
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def __iter__(self):
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return self._gen()
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class RandomScan:
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def __init__(self, min, max, npoints, seed=0):
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self.min = min
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self.max = max
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self.npoints = npoints
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self.seed = 0
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def _gen(self):
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prng = Random(self.seed)
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r = self.max - self.min
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for i in range(self.npoints):
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yield prng.random()*r + self.min
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self.sequence = list(LinearScan(min, max, npoints))
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shuffle(self.sequence, Random(seed).random)
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@portable
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def __iter__(self):
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return self._gen()
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return iter(self.sequence)
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class ExplicitScan:
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def __init__(self, sequence):
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self.sequence = sequence
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@portable
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def __iter__(self):
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return iter(self.sequence)
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