[Maxima-commits] CVS: maxima/tests rtestint.mac,1.53,1.54

[Dieter K. <cra...@us...>]

Update of /cvsroot/maxima/maxima/tests
In directory sfp-cvsdas-4.v30.ch3.sourceforge.com:/tmp/cvs-serv31522/tests

Modified Files:
	rtestint.mac 
Log Message:
Adding an example related to the bug report ID: 3023997 - integrate(x*atan2(x,y),x) -> noun form


Index: rtestint.mac
===================================================================
RCS file: /cvsroot/maxima/maxima/tests/rtestint.mac,v
retrieving revision 1.53
retrieving revision 1.54
diff -u -d -r1.53 -r1.54
--- rtestint.mac	29 Mar 2010 02:33:13 -0000	1.53
+++ rtestint.mac	2 Jul 2010 20:53:33 -0000	1.54
@@ -1075,6 +1075,12 @@
 integrate(atan2(y,x),y);
 y*atan(y/x)-(x*log(y^2/x^2+1)/2);
 
+/* Bug ID: 3023997 - integrate(x*atan2(x,y),x) -> noun form
+ * We have generalized the special case for the atan2 function.
+ */
+integrate(y*atan2(y,x),y);
+y^2*atan(y/x)/2-(x^2*y-x^3*atan(y/x))/(2*x);
+
 /* [ 2501765 ] integrate((-14*x^2-32)/(x^4+3*x^2+1)^2,x,0,inf); */
 integrate(1/(x^4+3*x^2+1)^2,x,0,inf);
 (sqrt(3-sqrt(5))*(3*sqrt(2)*sqrt(5)+15*sqrt(2))*%pi