R Under development (unstable) (2023-11-08 r85496 ucrt) -- "Unsuffered Consequences"
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> ##
> ##  d i s t m a t . R  tests
> ##
> 
> distmat <- pracma::distmat
> 
> A <- c(0.0, 0.0, 0.0)
> B <- matrix(c(
+         0, 0, 0,
+         1, 0, 0,
+         0, 1, 0,
+         0, 0, 1,
+         0, 1, 1,
+         1, 0, 1,
+         1, 1, 0,
+         1, 1, 1),
+      nrow = 8, ncol = 3, byrow = TRUE)
> 
> all.equal(drop(distmat(A, B)),
+           c(0, 1, 1, 1, sqrt(2), sqrt(2), sqrt(2), sqrt(3)))
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.09    0.06    0.15