com.eignex.koblas/PreparedSparseMatrix

PreparedSparseMatrix

An immutable snapshot of one sparse matrix, prepared for repeated products.

Changes to the source matrix after preparation do not affect this snapshot. Create one with SparseMatrix.prepare.

Properties

Columns in the prepared sparse matrix.

Stored entries copied into the snapshot.

Rows in the prepared sparse matrix.

fun gemm(alpha: Double, transposeA: Boolean, b: DenseMatrix, beta: Double, c: DenseMatrix, workspace: Workspace? = null)(source)

C = alpha · op(A) · B + beta · C against the prepared A.

fun gemm(alpha: Double, transposeA: Boolean, b: DenseMatrix, transposeB: Boolean, beta: Double, c: DenseMatrix, right: Boolean, workspace: Workspace? = null)(source)

Full sparse-dense product contract, including dense transpose and sparse side selection.

A · B against the prepared A, into a fresh sparse matrix.

Prepared sparse-result product with scaling and transpose controls.

fun gemm(alpha: Double, transposeA: Boolean, b: SparseMatrix, transposeB: Boolean, beta: Double, c: DenseMatrix, workspace: Workspace? = null)(source)

Prepared direct sparse-sparse-to-dense product.

fun gemv(alpha: Double, x: DoubleArray, beta: Double, y: DoubleArray, transpose: Boolean = false)(source)

In-place y = alpha · op(A) · x + beta · y against the prepared A.

fun symm(alpha: Double, b: DenseMatrix, beta: Double, c: DenseMatrix, lower: Boolean = true, right: Boolean = false, workspace: Workspace? = null)(source)

Prepared selected-triangle symmetric matrix-matrix product; semantics match SparseBlas.symm.

Prepared selected-triangle symmetric matrix-vector product; semantics match SparseBlas.symv.