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")
> 
> ## Always allow testing of the 'center' argument (as long as it's not defunct)
> options(matrixStats.center.onUse = "ignore")
> 
> ## 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
+ }
> 
> rowSds_R <- function(x, na.rm = FALSE, center = NULL, ..., useNames = NA) {
+   suppressWarnings({
+     sigma <- apply(x, MARGIN = 1L, FUN = sd, na.rm = na.rm)
+   })
+   stopifnot(!any(is.infinite(sigma)))
+   
+   # Keep naming support consistency same as rowSds()
+   if (is.null(center) || ncol(x) <= 1L) {
+     if (is.na(useNames) || isFALSE(useNames)) names(sigma) <- NULL
+   }
+   else if (isFALSE(useNames)) names(sigma) <- NULL
+   sigma
+ }
> 
> colSds_R <- function(x, na.rm = FALSE, center = NULL, ..., useNames = NA) {
+   suppressWarnings({
+     sigma <- apply(x, MARGIN = 2L, FUN = sd, na.rm = na.rm)
+   })
+   stopifnot(!any(is.infinite(sigma)))
+   
+   # Keep naming support consistency same as colSds()
+   if (is.null(center) || nrow(x) <= 1L) {
+     if (is.na(useNames) || isFALSE(useNames)) names(sigma) <- NULL
+   }
+   if (isFALSE(useNames)) names(sigma) <- NULL
+   sigma
+ }
> 
> 
> rowSds_center <- function(x, rows = NULL, cols = NULL, na.rm = FALSE, ..., useNames = NA) {
+   center <- rowWeightedMeans(x, cols = cols, na.rm = na.rm, useNames = FALSE)
+   sigma <- rowSds(x, rows = rows, cols = cols, center = center, na.rm = na.rm, useNames = useNames)
+   stopifnot(!any(is.infinite(sigma)))
+   sigma
+ }
> 
> colSds_center <- function(x, rows = NULL, cols = NULL, na.rm = FALSE, ..., useNames = NA) {
+   center <- colWeightedMeans(x, rows = rows, na.rm = na.rm, useNames = FALSE)
+   sigma <- colSds(x, rows = rows, cols = cols, center = center, na.rm = na.rm, useNames = useNames)
+   stopifnot(!any(is.infinite(sigma)))
+   sigma
+ }
> 
> 
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> # With and without some NAs
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> for (mode in c("integer", "double")) {
+   for (add_na in c(FALSE, TRUE)) {
+     cat("add_na = ", add_na, "\n", sep = "")
+ 
+     x <- matrix(1:50 + 0.1, nrow = 10L, ncol = 5L)
+     if (add_na) {
+       x[3:7, c(2, 4)] <- NA_real_
+     }
+     cat("mode: ", mode, "\n", sep = "")
+     storage.mode(x) <- mode
+     str(x)
+     
+     # To check names attribute
+     dimnames <- list(letters[1:10], LETTERS[1:5])
+     
+     # Test with and without dimnames on x
+     for (setDimnames in c(TRUE, FALSE)) {
+       if (setDimnames) dimnames(x) <- dimnames
+       else dimnames(x) <- NULL
+       # Row/column ranges
+       for (na.rm in c(FALSE, TRUE)) {
+         # Check names attribute
+         for (useNames in c(if (!matrixStats:::isUseNamesNADefunct()) NA, TRUE, FALSE)) {
+           r0 <- rowSds_R(x, na.rm = na.rm, useNames = useNames)
+           r1 <- rowSds(x, na.rm = na.rm, useNames = useNames)
+           r1b <- rowSds_center(x, na.rm = na.rm, useNames = useNames)
+           r2 <- colSds(t(x), na.rm = na.rm, useNames = useNames)
+           r2b <- colSds_center(t(x), na.rm = na.rm, useNames = useNames)
+           stopifnot(all.equal(r1, r2))
+           stopifnot(all.equal(r1, r0))
+           stopifnot(all.equal(r2, r0))
+           stopifnot(all.equal(r1b, r2b))
+           stopifnot(
+             !any(is.infinite(r1)),
+             !any(is.infinite(r2)),
+             !any(is.infinite(r1b)),
+             !any(is.infinite(r2b))
+           )
+         }
+       }
+     }
+   } # for (add_na ...)
+ }
add_na = FALSE
mode: integer
 int [1:10, 1:5] 1 2 3 4 5 6 7 8 9 10 ...
add_na = TRUE
mode: integer
 int [1:10, 1:5] 1 2 3 4 5 6 7 8 9 10 ...
add_na = FALSE
mode: double
 num [1:10, 1:5] 1.1 2.1 3.1 4.1 5.1 6.1 7.1 8.1 9.1 10.1 ...
add_na = TRUE
mode: double
 num [1:10, 1:5] 1.1 2.1 3.1 4.1 5.1 6.1 7.1 8.1 9.1 10.1 ...
> 
> 
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> # All NAs
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> for (mode in c("integer", "double")) {
+   x <- matrix(NA_real_, nrow = 10L, ncol = 5L)
+   cat("mode: ", mode, "\n", sep = "")
+   storage.mode(x) <- mode
+   str(x)
+   
+   # Test with and without dimnames on x
+   for (setDimnames in c(TRUE, FALSE)) {
+     if (setDimnames) dimnames(x) <- dimnames
+     else dimnames(x) <- NULL
+     # Row/column ranges
+     for (na.rm in c(FALSE, TRUE)) {
+       # Check names attribute
+       for (useNames in c(if (!matrixStats:::isUseNamesNADefunct()) NA, TRUE, FALSE)) {
+         r0 <- rowSds_R(x, na.rm = na.rm, useNames = useNames)
+         r1 <- rowSds(x, na.rm = na.rm, useNames = useNames)
+         r1b <- rowSds_center(x, na.rm = na.rm, useNames = useNames)
+         r2 <- colSds(t(x), na.rm = na.rm, useNames = useNames)
+         r2b <- colSds_center(t(x), na.rm = na.rm, useNames = useNames)
+         stopifnot(all.equal(r1, r2))
+         stopifnot(all.equal(r1, r0))
+         stopifnot(all.equal(r2, r0))
+         stopifnot(all.equal(r1b, r2b))
+         stopifnot(
+           !any(is.infinite(r1)),
+           !any(is.infinite(r2)),
+           !any(is.infinite(r1b)),
+           !any(is.infinite(r2b))
+         )
+       }
+     }
+   }
+ }
mode: integer
 int [1:10, 1:5] NA NA NA NA NA NA NA NA NA NA ...
mode: double
 num [1:10, 1:5] NA NA NA NA NA NA NA NA NA NA ...
> 
> 
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> # A 1x1 matrix
> # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> x <- matrix(0, nrow = 1L, ncol = 1L)
> dimnames <- list("a", "A")
> for (na.rm in c(FALSE, TRUE)) {
+   cat("na.rm = ", na.rm, "\n", sep = "")
+   
+   # Test with and without dimnames on x
+   for (setDimnames in c(TRUE, FALSE)) {
+     if (setDimnames) dimnames(x) <- dimnames
+     else dimnames(x) <- NULL
+     # Row/column ranges
+     for (na.rm in c(FALSE, TRUE)) {
+       # Check names attribute
+       for (useNames in c(if (!matrixStats:::isUseNamesNADefunct()) NA, TRUE, FALSE)) {
+         r0 <- rowSds_R(x, na.rm = na.rm, useNames = useNames)
+         r1 <- rowSds(x, na.rm = na.rm, useNames = useNames)
+         r1b <- rowSds_center(x, na.rm = na.rm, useNames = useNames)
+         r2 <- colSds(t(x), na.rm = na.rm, useNames = useNames)
+         r2b <- colSds_center(t(x), na.rm = na.rm, useNames = useNames)
+         stopifnot(all.equal(r1, r2))
+         stopifnot(all.equal(r1, r0))
+         stopifnot(all.equal(r2, r0))
+         stopifnot(all.equal(r1b, r2b))
+         stopifnot(
+           !any(is.infinite(r1)),
+           !any(is.infinite(r2)),
+           !any(is.infinite(r1b)),
+           !any(is.infinite(r2b))
+         )
+       }
+     }
+   }
+ }
na.rm = FALSE
na.rm = TRUE
> 
> proc.time()
   user  system elapsed 
   0.23    0.06    0.29