OK, patch applied.
---------------------------------------------------------------------------
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
>
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
Index: func.sgml
===================================================================
RCS file: /cvsroot/pgsql-server/doc/src/sgml/func.sgml,v
retrieving revision 1.120
diff -c -r1.120 func.sgml
*** func.sgml 2 Sep 2002 05:53:23 -0000 1.120
--- func.sgml 11 Sep 2002 02:54:46 -0000
***************
*** 743,749 ****
<entry><function>atan2</function>(<replaceable>x</replaceable>,
<replaceable>y</replaceable>)</entry>
<entry>inverse tangent of
! <replaceable>a</replaceable>/<replaceable>x</replaceable></entry>
</row>
<row>
--- 743,749 ----
<entry><function>atan2</function>(<replaceable>x</replaceable>,
<replaceable>y</replaceable>)</entry>
<entry>inverse tangent of
! <replaceable>x</replaceable>/<replaceable>y</replaceable></entry>
</row>
<row>