PG Bug reporting form <noreply@postgresql.org> writes:
> The following queries illustrate that ST_Azimuth can fail to follow
> https://postgis.net/docs/ST_Azimuth.html with dy < 0 and dx < 0.
You need to send this to the appropriate postgis mailing list.
This list is for core-server bugs, and I'm not sure that any
postgis developers follow it closely.
regards, tom lane