+node.depth.edgelength <- function(phy)
+{
+ n <- length(phy$tip.label)
+ m <- phy$Nnode
+ N <- dim(phy$edge)[1]
+ phy <- reorder(phy, order = "pruningwise")
+ .C("node_depth_edgelength", as.integer(n), as.integer(n),
+ as.integer(phy$edge[, 1]), as.integer(phy$edge[, 2]),
+ as.integer(N), as.double(phy$edge.length), double(n + m),
+ DUP = FALSE, PACKAGE = "ape")[[7]]
+}
+
+node.height <- function(phy)
+{
+ n <- length(phy$tip.label)
+ m <- phy$Nnode
+ N <- dim(phy$edge)[1]
+ phy <- reorder(phy, order = "pruningwise")
+
+ e1 <- phy$edge[, 1]
+ e2 <- phy$edge[, 2]
+
+ yy <- numeric(n + m)
+ TIPS <- e2[e2 <= n]
+ yy[TIPS] <- 1:n
+
+ .C("node_height", as.integer(n), as.integer(m),
+ as.integer(e1), as.integer(e2), as.integer(N),
+ as.double(yy), DUP = FALSE, PACKAGE = "ape")[[6]]
+}
+
+node.height.clado <- function(phy)
+{
+ n <- length(phy$tip.label)
+ m <- phy$Nnode
+ N <- dim(phy$edge)[1]
+ phy <- reorder(phy, order = "pruningwise")
+
+ e1 <- phy$edge[, 1]
+ e2 <- phy$edge[, 2]
+
+ yy <- numeric(n + m)
+ TIPS <- e2[e2 <= n]
+ yy[TIPS] <- 1:n
+
+ .C("node_height_clado", as.integer(n), as.integer(m),
+ as.integer(e1), as.integer(e2), as.integer(N),
+ double(n + m), as.double(yy), DUP = FALSE,
+ PACKAGE = "ape")[[7]]
+}
+