Replace N.alltrue() with N.all()

[s-t-e-v-e-n-k]

Building on the excellent work in f7d1d818, replace the two uses of N.alltrue() with N.all(), since the former has been removed in numpy 2.0.

[bnavigator]

float_ must also be removed.

[swt2c]

@s-t-e-v-e-n-k can you also eliminate float_ as @bnavigator suggested?

[s-t-e-v-e-n-k]

@s-t-e-v-e-n-k can you also eliminate float_ as @bnavigator suggested?

Done!