## regression tests on cmdscale from R 2.13.0
cmdsE <- cmdscale(eurodist, k = 20, eig = TRUE, x.ret = TRUE)
utils::str(cmdsE)
cmdsE2 <- cmdscale(eurodist, k = 20, add = TRUE, eig = TRUE, x.ret = TRUE)
utils::str(cmdsE2)
stopifnot(identical(rownames(cmdsE2$points), attr(eurodist, "Labels")))
## the exact answers diff by platform, since eigenvalue calculations are
## involved
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