R Under development (unstable) (2023-12-09 r85665 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> library("matrixStats")
> 
> ## Create isFALSE() if running on an old version of R
> if (!exists("isFALSE", mode="function")) {
+   isFALSE <- function(x) is.logical(x) && length(x) == 1L && !is.na(x) && !x
+ }
> 
> rowWeightedMeans_R <- function(x, w, na.rm = FALSE, ..., useNames = NA) {
+   res <- apply(x, MARGIN = 1L, FUN = weighted.mean, w = w, na.rm = na.rm, ...)
+   
+   # Keep naming support consistency same as rowWeightedMeans()
+   idxs <- which(is.na(w) | w != 0)
+   nw <- length(idxs)
+   if (na.rm) na.rm <- anyMissing(x)
+   if ((!is.null(w) && nw == 0L) || isFALSE(na.rm)) {
+     if (is.na(useNames) || !useNames) names(res) <- NULL
+   }
+   else if (isFALSE(useNames)) names(res) <- NULL
+   
+   res
+ }
> 
> colWeightedMeans_R <- function(x, w, na.rm = FALSE, ..., useNames = NA) {
+   res <- apply(x, MARGIN = 1L, FUN = weighted.mean, w = w, na.rm = na.rm, ...)
+   
+   # Keep naming support consistency same as colWeightedMeans()
+   idxs <- which(is.na(w) | w != 0)
+   nw <- length(idxs)
+   if (!is.null(w) && nw == 0L) {
+     if (is.na(useNames) || !useNames) names(res) <- NULL
+   }
+   else if (isFALSE(useNames)) names(res) <- NULL
+   
+   res
+ }
> 
> 
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> # Subsetted tests
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> source("utils/validateIndicesFramework.R")
> # To check names attribute
> dimnames <- list(letters[1:6], LETTERS[1:6])
> for (mode in c("numeric", "integer", "logical")) {
+   x <- matrix(runif(6 * 6, min = -6, max = 6), nrow = 6, ncol = 6)
+   w <- runif(6, min = 0, max = 6)
+   storage.mode(x) <- mode
+   storage.mode(w) <- if (mode == "logical") "integer" else mode
+   if (mode == "numeric") w[1] <- Inf
+ 
+   # 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_w(x, w, rows, cols, 
+                                     ftest = rowWeightedMeans, fsure = rowWeightedMeans_R,
+                                     na.rm = na.rm, useNames = useNames)
+         validateIndicesTestMatrix_w(x, w, rows, cols,
+                                     fcoltest = colWeightedMeans, fsure = colWeightedMeans_R,
+                                     na.rm = na.rm, useNames = useNames)
+       }
+     }
+   }
+ }
> 
> proc.time()
   user  system elapsed 
   1.12    0.04    1.17