MatrixClass The Matrix (Super-) Class of a Class

Description

Return the (maybe super-)class of class cl from package Matrix, returning character(0) if there is none.

Usage

MatrixClass(cl, cld = getClassDef(cl), ...Matrix = TRUE,
            dropVirtual = TRUE, ...)

Arguments

cl	string, class name
cld	its class definition
...Matrix	logical indicating if the result must be of pattern "[dlniz]..Matrix" where the first letter "[dlniz]" denotes the content kind.
dropVirtual	logical indicating if virtual classes are included or not.

...	further arguments are passed to .selectSuperClasses().

Value

a character string

Author(s)

Martin Maechler, 24 Mar 2009

See Also

Matrix, the mother of all Matrix classes.

Examples

mkA <- setClass("A", contains="dgCMatrix")
(A <- mkA())
stopifnot(identical(
     MatrixClass("A"),
     "dgCMatrix"))