[PURRS-devel] purrs/src Expr.cc

[Tatiana Zolo]

CVSROOT:	/cvs/purrs
Module name:	purrs
Changes by:	zolo at cs.unipr.it	2003-01-08 16:54:43

Modified files:
	src            : Expr.cc 

Log message:
	Fixed a bug in `prod_eval()':
	the property
	\prod_{k = a}^b \alpha f(k) = \alpha^{b-a+1} \prod_{k = a}^b f(k),
	where \alpha does not depend from k
	is now applied correctly.
	Corrected also the comment.

Patches:
http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/purrs/src/Expr.cc.diff?cvsroot=purrs&r1=1.25&r2=1.26