Implement the fmin and fmax ufuncs

[juntyr]

• Implements the fmin and fmax ufuncs
• Unblocks using np.nanmin and np.nanmax

[juntyr]

?r @SwayamInSync

[SwayamInSync]

Thanks @juntyr , I wonder registering quad_minimum/maximum with fmin fmax ufuncs would've also worked?

[juntyr]

Thanks @juntyr , I wonder registering quad_minimum/maximum with fmin fmax ufuncs would've also worked?

No, they have different NaN propagation behaviour. minimum/maximum propagates NaNs, fmin/fmax tries to avoid propagating them

[SwayamInSync]

No, they have different NaN propagation behaviour. minimum/maximum propagates NaNs, fmin/fmax tries to avoid propagating them

Ah yes I just noticed, thanks merging it