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- import numpy as np
- def fix_timestamps(tstmp, offsets=None):
- tstmp = tstmp.astype(np.int64)
- rollover, = np.where(np.diff(tstmp) < 0)
- if offsets is None:
- offsets = tstmp[rollover]
- for j, i in enumerate(rollover):
- tstmp[(i + 1):] = tstmp[(i + 1):] + offsets[j]
- # offsets[j:] += tstmp[i]
- cum_offsets = np.cumsum(offsets)
- return tstmp, offsets, cum_offsets
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