artiq/artiq/test/coefficients.py

39 lines
1.0 KiB
Python

import unittest
import numpy as np
from artiq.wavesynth import coefficients, compute_samples
class TestSplineCoef(unittest.TestCase):
def setUp(self):
self.x = np.arange(5.)
self.y = np.sin(2*np.pi*self.x/5) + np.arange(2)[:, None]
self.s = coefficients.SplineSource(self.x, self.y, order=4)
def test_get_segment(self):
return list(self.s.get_segment_data(1.5, 3.2, 1/100.))
def test_synth(self):
d = self.test_get_segment()
d[0]["trigger"] = True
return compute_samples.Synthesizer(self.y.shape[0], [d, d + d])
def drive(self, s):
y = []
for f in 0, 1, None, 0:
if f is not None:
s.select(f)
y += s.trigger()[0]
return y
def test_run(self):
return self.drive(self.test_synth())
@unittest.skip("manual/visual test")
def test_plot(self):
import cairoplot
y = self.test_run()
x = list(range(len(y)))
cairoplot.scatter_plot("plot.png", [x, y])