Bruno Wolff III <bruno@xxxxxxxx> writes:
> Andrew Maclean <andrew.amaclean@xxxxxxxxx> wrote:
>> In Table 9.4 of the documentation atan2 is described as follows:
>> atan2(*x*, *y*) inverse tangent of *x*/*y*
>>
>> I am sure it should read as:
>> atan2(*y*, x) inverse tangent of y/x
> Aren't those two statements sayiong the same thing?
They're logically equivalent but I think Andrew is right that y/x
corresponds to the usual interpretation of X and Y directions in
trigonometry.
regards, tom lane
---------------------------(end of broadcast)---------------------------
TIP 4: Have you searched our list archives?
http://archives.postgresql.org/
