Get a scratch matrix — scratch_matrix • shard

Allocates (or reuses) a double matrix in the worker scratch pool.

Usage

scratch_matrix(nrow, ncol, key = NULL)

Arguments

nrow, ncol: Dimensions.
key: Optional key to control reuse. Defaults to a shape-derived key.

Value

A double matrix of dimensions nrow by ncol.

Examples

m <- scratch_matrix(10, 5)
dim(m)
#> [1] 10  5