Re: atan2 documentation bugs for 7.3 and 7.2

OK, patch applied.

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Bruno Wolff III wrote:
> In the section on mathematical functions the following is given for atan2:
> atan2(x, y) inverse tangent of a/x
>
> I believe the correct version should either be:
> atan2(y, x) inverse tangent of y/x
> or
> atan2(x, y) inverse tangent of x/y
>
> I beleive the documentation was also wrong for 7.2 where it was:
> atan2(x, y) inverse tangent of y/x
>
> The postgres functions seems to be the same as glibc function of the same
> name when has the following man information:
> double atan2(double y, double x);
>
> DESCRIPTION
> The atan2() function calculates the arc tangent of the two
> variables x and y. It is similar to calculating the arc
> tangent of y / x, except that the signs of both arguments
> are used to determine the quadrant of the result.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>

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