gko::matrix

Matrix formats and matrix-like operators. Every type below is a LinOp: composable through apply, transformable through clone and copy, and shareable across executors. For background on the format trade-offs see the Matrix formats concept page.

Sparse formats

• Csr: compressed sparse row.

• Coo: coordinate format.

• Ell: equal-length rows.

• Sellp: sliced ELL.

• Hybrid: ELL + COO fall-back.

• Fbcsr: fixed-size block CSR.

• SparsityCsr: sparsity pattern only.

Dense

• Dense: row-major dense matrix.

Utility operators

• Identity: identity LinOp.

• Diagonal: diagonal matrix.

• Permutation: row/column permutation.

• ScaledPermutation: permutation with row scaling.

• RowGatherer: gather rows by index.