Nothing
setMethod('diag', 'bdsmatrix', function(x, nrow, ncol) {
if (class(x) != 'bdsmatrix') stop("Argument must be a bdsmatrix object")
d <- x@Dim
d3 <- sum(x@blocksize)
temp <- .C('bdsmatrix_index1',
as.integer(length(x@blocksize)),
as.integer(x@blocksize),
as.integer(c(0,1,0)),
as.integer(d3),
as.integer(1:d3 -1),
integer(1),
indexb = integer(d3),
integer(1))$indexb
if (length(x@rmat) > 0) {
temp2 <- seq(from=d3+1, by= d[2]+1, length= d[1] - d3)
c(x@blocks[temp], x@rmat[temp2])
}
else x@blocks[temp]
})
setMethod("diag<-","bdsmatrix" ,function(x, value) {
if (class(x) != 'bdsmatrix') stop("Argument must be a bdsmatrix object")
d <- x@Dim
if (length(value) != d[1]) stop("Wrong length for diagonal")
d3 <- sum(x@blocksize)
temp <- .C('bdsmatrix_index1',
as.integer(length(x@blocksize)),
as.integer(x@blocksize),
as.integer(c(0,1,0)),
as.integer(d3),
as.integer(1:d3 -1),
integer(1),
indexb = integer(d3),
integer(1))$indexb
x@blocks[temp] <- value[1:d3]
if (length(x@rmat) > 0) {
temp2 <- seq(from=d3+1, by= d[2]+1, length= d[1] - d3)
x@rmat[temp2] <- value[-(1:d3)]
}
x
})
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