Sequential index generator.
Returns values i0, i0+1, i0+2, …, max, min, min+1, …
| Parameters: |
- imin :
int (optional)
Minimum index (inclusive).
- imax :
int (optional)
Maximum index (inclusive).
- i0 :
int (optional)
Initial index; if None then use imin.
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| Raises: |
- ValueError
If imin >= imax
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