R Under development (unstable) (2023-10-23 r85401 ucrt) -- "Unsuffered Consequences"
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> #' Header for spatstat.utils/tests/*R
> #'
> 
> require(spatstat.utils)
Loading required package: spatstat.utils
> ALWAYS <- FULLTEST <- TRUE
> #' indices.R
> #' Tests of code for understanding index vectors etc
> #' $Revision: 1.3 $ $Date: 2020/05/11 01:25:34 $
> 
> if(FULLTEST) {
+ local({
+ 
+   a <- grokIndexVector(c(FALSE,TRUE),         10)
+   b <- grokIndexVector(rep(c(FALSE,TRUE), 7), 10)
+   d <- grokIndexVector(c(2,12),               10)
+   e <- grokIndexVector(letters[4:2], nama=letters)
+   f <- grokIndexVector(letters[10:1], nama=letters[1:5])
+   g <- grokIndexVector(-c(2, 5),              10)
+   h <- grokIndexVector(-c(2, 5, 15),          10)
+ 
+   Nam <- letters[1:10]
+   j  <- positiveIndex(-c(2,5), nama=Nam)
+   jj <- logicalIndex(-c(2,5), nama=Nam)
+   k  <- positiveIndex(-c(2,5), nama=Nam)
+   kk <- logicalIndex(-c(2,5), nama=Nam)
+   mm <- positiveIndex(c(FALSE,TRUE), nama=Nam)
+   nn <- positiveIndex(FALSE, nama=Nam)
+ })
+ }
> 
> 
> proc.time()
   user  system elapsed 
   0.12    0.06    0.17