Nothing
#' rcond
#'
#' Compute matrix norm.
#'
#' @param x
#' A float vector/matrix.
#' @param norm
#' "O"-ne or "I"-nfinity norm.
#' @param triangular
#' Should only the lower triangle be used?
#' @param ...
#' Additional arguments.
#'
#' @return
#' A single float.
#'
#' @examples
#' library(float)
#'
#' s = flrunif(10, 3)
#' rcond(s)
#'
#' @useDynLib float R_rcond_spm
#' @name rcond
#' @rdname rcond
NULL
rcond_float32 = function(x, norm=c("O","I","1"), triangular=FALSE, ...)
{
if (isavec(x))
stop("is.matrix(x) is not TRUE")
if (missing(norm))
norm = "O"
m = nrow(x)
n = ncol(x)
if (m > n)
rcond_float32(qr.R(qr(x)), norm=norm, ...)
else if (m < n)
rcond_float32(qr.R(qr(t(x))), norm=norm, ...)
else
{
ret = .Call(R_rcond_spm, DATA(x), norm, triangular)
float32(ret)
}
}
#' @rdname rcond
#' @export
setMethod("rcond", signature(x="float32", norm="ANY"), rcond_float32)
### TODO kappa
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