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Ramp UGen fails in LTI test #888

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telephon opened this issue Jun 29, 2013 · 3 comments
Closed

Ramp UGen fails in LTI test #888

telephon opened this issue Jun 29, 2013 · 3 comments
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bug Issues that relate to unexpected/unwanted behavior. Don't use for PRs. comp: server plugins

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@telephon
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a TestFilterUGens:test_time_invariance - Ramp.ar is time invariant when delayed by 1 sample(s).
4408 of 4410 items in array failed to match. Displaying arrays from index of first failure (2) onwards:
FloatArray[ -0.00022675737272948, -0.00045351474545896, -0.00068027211818844, -0.00090702949091792, -0.0011337868636474, -0.0013605442363769, -0.0015873016091064, -0.0018140589818358, -0.00204081623815, -0.0022675737272948, -0.002494330983609, -0.0027210884727538, -0.0029478457290679, -0.0031746032182127, -0.0034013604745269, -0.0036281179636717, -0.0038548752199858, -0.0040816324763, -0.0043083899654448, -0.0045351474545896, -0.0047619049437344, -0.0049886619672179, -0.0052154194563627, -0.0054421769455075...etc...
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@telephon
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@timblechmann why is Ramp not an LTI system?

@timblechmann
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the docs say: "Break a continuous signal into linearly interpolated segments with specific durations". however it does not say, where the segments are started.

@telephon
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Ok, so I'll remove it from the invariance test.

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@timblechmann @telephon