[Maxima-commits] CVS: maxima/tests rtest_abs.mac,1.7,1.8

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

Update of /cvsroot/maxima/maxima/tests
In directory sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv22980/tests

Modified Files:
	rtest_abs.mac 
Log Message:
Adding some examples to show the simplification of expressions with the abs function.


Index: rtest_abs.mac
===================================================================
RCS file: /cvsroot/maxima/maxima/tests/rtest_abs.mac,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- rtest_abs.mac	23 Jun 2009 20:13:52 -0000	1.7
+++ rtest_abs.mac	13 Feb 2010 20:12:57 -0000	1.8
@@ -243,4 +243,30 @@
        /sqrt(3);
 */
 
-sin(5*%pi/18)-cos(5*%pi/18)/sqrt(3);
\ No newline at end of file
+sin(5*%pi/18)-cos(5*%pi/18)/sqrt(3);
+
+/* Bug ID: 900860 - Simplifications involving abs
+ */
+
+/* Examples from the bug report */
+abs(x)/x^2;
+1/abs(x);
+
+x^2/abs(x);
+abs(x);
+
+abs(x)^3;
+x^2*abs(x);
+
+/* More examples */
+1/x^3*abs(x);
+1/(x*abs(x));
+
+1/abs(x)*x^3;
+x*abs(x);
+
+abs(x)^3/x^2;
+abs(x);
+
+abs(2*x+a)^3/(2*x+a)^2;
+abs(2*x+a);