R Under development (unstable) (2023-11-06 r85483 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> library("matrixStats")
> 
> rowIQRs_R <- function(x, na.rm = FALSE, ..., useNames = NA) {
+   quantile_na <- function(x, ..., na.rm = FALSE) {
+     if (!na.rm && anyMissing(x))
+       return(c(NA_real_, NA_real_))
+     quantile(x, ..., na.rm = na.rm)
+   }
+   q <- apply(x, MARGIN = 1L, FUN = quantile_na,
+              probs = c(0.25, 0.75), na.rm = na.rm)
+   rownames(q) <- NULL # Not needed anymore
+   
+   # Preserve names attribute
+   dim(q) <- c(2L, nrow(x))
+   colnames(q) <- if (isTRUE(useNames)) rownames(x) else NULL
+   
+   q[2L, , drop = TRUE] - q[1L, , drop = TRUE]
+ }
> 
> 
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> # Subsetted tests
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> source("utils/validateIndicesFramework.R")
> x <- runif(6, min = -6, max = 6)
> for (idxs in index_cases) {
+   for (na.rm in c(TRUE, FALSE)) {
+     validateIndicesTestVector(x, idxs, ftest = iqr, fsure = function(x, na.rm) {
+       dim(x) <- c(1L, length(x))
+       rowIQRs_R(x, na.rm = na.rm)
+     }, na.rm = na.rm)
+   }
+ }
> 
> x <- matrix(runif(6 * 6, min = -6, max = 6), nrow = 6, ncol = 6)
> 
> # To check names attribute
> dimnames <- list(letters[1:6], LETTERS[1:6])
> 
> # Test with and without dimnames on x
> for (setDimnames in c(TRUE, FALSE)) {
+   if (setDimnames) dimnames(x) <- dimnames
+   else dimnames(x) <- NULL
+   
+   count <- 0L
+   for (rows in index_cases) {
+     for (cols in index_cases) {
+       count <- count + 1L
+       na.rm <- c(TRUE, FALSE)[count %% 2 + 1]
+       useNames <- c(if (!matrixStats:::isUseNamesNADefunct()) NA, TRUE, FALSE)
+       useNames <- useNames[count %% length(useNames) + 1]
+       
+       validateIndicesTestMatrix(x, rows, cols,
+                                 ftest = rowIQRs, fsure = rowIQRs_R,
+                                 na.rm = na.rm, useNames = useNames)
+       validateIndicesTestMatrix(x, rows, cols,
+                                 fcoltest = colIQRs, fsure = rowIQRs_R,
+                                 na.rm = na.rm, useNames = useNames)
+     }
+   }
+ }
> 
> proc.time()
   user  system elapsed 
   1.46    0.04    1.51