#  File src/library/base/R/max.col.R
#  Part of the R package, http://www.R-project.org
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  A copy of the GNU General Public License is available at
#  http://www.r-project.org/Licenses/

max.col <- function(m, ties.method=c("random", "first", "last"))
{
    ties.method <- match.arg(ties.method)
    m <- as.matrix(m)
    n <- nrow(m)
    .C("R_max_col",
       as.double(m),
       n,
       ncol(m),
       rmax = integer(n),
       tieM = which(ties.method == eval(formals()[["ties.method"]])),
       NAOK = TRUE,
       DUP  = FALSE,
       PACKAGE = "base")$rmax
}