On Tue, Jun 4, 2013 at 12:07 PM, Slavin, Jonathan <jsla...@cfa.harvard.edu>wrote:
> Hi, > > I would like to suggest that the behavior of numpy.interp be changed > regarding treatment of situations in which the x-coordinates are not > monotonically increasing. Specifically, it seems to me that interp should > work correctly when the x-coordinate is decreasing monotonically. Clearly > it cannot work if the x-coordinate is not monotonic, but in that case it > should raise an exception. Currently if x is not increasing it simply > silently fails, providing incorrect values. This fix could be as simple as > a monotonicity test and inversion if necessary (plus a raise statement for > non-monotonic cases). > > Seems reasonable, although it might add a bit of execution time. Chuck > >
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