[Rcpp-commits] r2022 - pkg/Rcpp

[noreply at r-forge.r-project.org]

Author: romain
Date: 2010-08-15 14:26:06 +0200 (Sun, 15 Aug 2010)
New Revision: 2022

Modified:
   pkg/Rcpp/TODO
Log:
log possible problem with diff

Modified: pkg/Rcpp/TODO
===================================================================
--- pkg/Rcpp/TODO	2010-08-15 12:20:17 UTC (rev 2021)
+++ pkg/Rcpp/TODO	2010-08-15 12:26:06 UTC (rev 2022)
@@ -55,6 +55,9 @@
     o	not sure rep should be lazy, i.e. rep( x, 4 ) fetches x[i] 4 times, 
 	maybe we should use LazyVector like in outer to somehow cache the 
 	result when it is judged expensive to calculate
+	
+	o	The current impl of "diff" might cause problems (e.g. with ifelse) due to 
+	laziness, it is probably best to not make it lazy
 
     o 	crossprod