coefficients: fix constant zero

2016-02-23 17:56:38 +01:00 · 2016-02-23 17:56:38 +01:00 · 467268a06e
commit 467268a06e
parent 53d5a458a2
1 changed files with 2 additions and 0 deletions
--- a/artiq/wavesynth/coefficients.py
+++ b/artiq/wavesynth/coefficients.py
@ -73,6 +73,8 @@ def build_segment(durations, coefficients, target="bias",
                if cdj or abs(yijk) or not compress:
                    cdj.append(float(yijk))
            cdj.reverse()
+            if not cdj:
+                cdj.append(float(yij[0]))
            cd.append({target: {variable: cdj}})
        yield {"duration": int(dxi), "channel_data": cd}