https://github.com/cran/Matrix
Tip revision: dfe5b7b313fdadfbbf3e5ba8f820cf2e75468e04 authored by Douglas Bates on 06 November 2004, 00:00:00 UTC
version 0.8-17
version 0.8-17
Tip revision: dfe5b7b
cscMatrix.R
setMethod("crossprod", signature(x = "cscMatrix", y = "missing"),
function(x, y = NULL)
.Call("csc_crossprod", x))
setMethod("crossprod", signature(x = "cscMatrix", y = "matrix"),
function(x, y = NULL)
.Call("csc_matrix_crossprod", x, y))
setMethod("crossprod", signature(x = "cscMatrix", y = "numeric"),
function(x, y = NULL)
.Call("csc_matrix_crossprod", x, as.matrix(y)))
setMethod("dim", signature(x = "cscMatrix"),
function(x) x@Dim, valueClass = "integer")
setMethod("diag", signature(x = "cscMatrix"),
function(x = 1, nrow, ncol = n)
.Call("csc_getDiag", x))
setAs("cscMatrix", "tripletMatrix",
function(from)
.Call("csc_to_triplet", from)
)
setAs("cscMatrix", "matrix",
function(from)
.Call("csc_to_matrix", from))
setAs("cscMatrix", "geMatrix",
function(from)
.Call("csc_to_geMatrix", from))
setAs("cscMatrix", "cscBlocked",
function(from) new("cscBlocked", p = from@p, i = from@i,
x = array(from@x, c(1, 1, length(from@x)))))
setAs("matrix", "cscMatrix",
function(from) {
storage.mode(from) = "double"
.Call("matrix_to_csc", from)
})
setMethod("t", signature(x = "cscMatrix"),
function(x) .Call("csc_transpose", x),
valueClass = "cscMatrix")
setMethod("image", "cscMatrix",
function(x, ...) {
x = as(x, "tripletMatrix")
callGeneric()
})