- N <- attr(X, "Size")
- labels <- attr(X, "Labels")
- if (is.null(labels)) labels <- as.character(1:N)
- ans <- .C("me_b", as.double(X), as.integer(N), as.character(labels),
- "", as.integer(nni), PACKAGE = "ape")
- read.tree(text = ans[[4]])
+ N <- as.integer(attr(X, "Size"))
+ labels <- sprintf("%6s", 1:N)
+ edge1 <- edge2 <- integer(2*N - 3)
+ ans <- .C(lib, as.double(X), N, labels, as.integer(nni),
+ edge1, edge2, double(2*N - 3), character(N),
+ PACKAGE = "ape")
+ labels <- substr(ans[[8]], 1, 6)
+ LABS <- attr(X, "Labels")
+ labels <- if (!is.null(LABS)) LABS[as.numeric(labels)]
+ else gsub("^ ", "", labels)
+ structure(list(edge = cbind(ans[[5]], ans[[6]]), edge.length = ans[[7]],
+ tip.label = labels, Nnode = N - 2),
+ class = "phylo")