https://github.com/cran/Matrix
Tip revision: 81b1a2b5011be045c271c6a168509ec90acff5af authored by Doug and Martin on 03 February 2010, 00:00:00 UTC
version 0.999375-35
version 0.999375-35
Tip revision: 81b1a2b
ltTMatrix.R
#### Logical Sparse Triangular Matrices in Triplet format
### contains = "lsparseMatrix"
setAs("matrix", "ltTMatrix",
function(from) as(as(from, "ltrMatrix"), "TsparseMatrix"))
setAs("ltTMatrix", "lgTMatrix",
function(from) tT2gT(from, cl = "ltTMatrix", toClass = "lgTMatrix"))
setAs("ltTMatrix", "generalMatrix",
function(from) tT2gT(from, cl = "ltTMatrix", toClass = "lgTMatrix"))
setAs("ltTMatrix", "ltCMatrix",
function(from) .Call(Tsparse_to_Csparse, from, TRUE))
setAs("ltTMatrix", "lgCMatrix",
function(from) as(.Call(Tsparse_to_Csparse, from, TRUE), "lgCMatrix"))
setAs("ltTMatrix", "dtTMatrix",
function(from) new("dtTMatrix", i = from@i, j = from@j,
x = rep.int(1, length(from@i)), uplo = from@uplo,
diag = from@diag,
Dim = from@Dim, Dimnames = from@Dimnames))
setAs("ltTMatrix", "ltrMatrix",
function(from) .Call(ltTMatrix_as_ltrMatrix, from))
setAs("ltTMatrix", "matrix",
function(from) as(as(from, "ltrMatrix"), "matrix"))
setMethod("t", "ltTMatrix",
function(x)
new("ltTMatrix", Dim = x@Dim[2:1], Dimnames = x@Dimnames[2:1],
i = x@j, j = x@i, x = x@x, diag = x@diag,
uplo = if (x@uplo == "U") "L" else "U"))