R/qprod.R

In rcdd: Computational Geometry

Defines functions qprod

Documented in qprod

qprod <- function(x) {

    if (! (is.numeric(x) || is.character(x)))
        stop("'x' not numeric or character")

    if (is.numeric(x))
        x <- d2q(x)

    if (! (is.character(x))) {
        stop("Cannot happen!")
    }

    .Call(C_qsump, x, as.integer(2))
}

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