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Classes | |
| struct | bsr_matrix |
| Mixed-precision bsr matrix. More... | |
Typedefs | |
| typedef struct bsr_matrix | bsr_matrix |
| Mixed-precision bsr matrix. More... | |
Functions | |
| bsr_matrix * | bsr_alloc () |
| Create empty bsr matrix. More... | |
| void | bsr_free (bsr_matrix *A) |
| Delete bsr matrix. More... | |
| void | bsr_init (bsr_matrix *A, int nrows, int nnz, int b) |
| Initialize bsr matrix. More... | |
| void | bsr_vmspmv3 (bsr_matrix *A, const double *x, double *y) |
| Sparse matrix-vector multiplication in mixed precision. More... | |
| void | bsr_vdspmv3 (bsr_matrix *A, const double *x, double *y) |
| Sparse matrix-vector multiplication in double precision. More... | |
| void | bsr_downcast (bsr_matrix *M) |
| Make single-precision copy of double-precision values. More... | |
| void | bsr_info (bsr_matrix *A) |
| Display matrix statistics. More... | |
| void | bsr_sparsity (const bsr_matrix *A, const char *name) |
| Display spasity pattern of first few rows. More... | |
| void | bsr_nonzeros (bsr_matrix *A, const char *name) |
| Display nonzero blocks of first few rows. More... | |
Typedef Documentation
◆ bsr_matrix
| typedef struct bsr_matrix bsr_matrix |
Mixed-precision bsr matrix.
Function Documentation
◆ bsr_alloc()
| bsr_matrix * bsr_alloc | ( | ) |
Create empty bsr matrix.
- Returns
- Pointer to bsr matrix.
Referenced by Dune::MixedSolver< X, M >::MixedSolver().
◆ bsr_downcast()
| void bsr_downcast | ( | bsr_matrix * | M | ) |
Make single-precision copy of double-precision values.
- Parameters
-
M Pointer to bsr matrix
Referenced by Dune::MixedSolver< X, M >::apply().
◆ bsr_free()
| void bsr_free | ( | bsr_matrix * | A | ) |
Delete bsr matrix.
- Parameters
-
A Pointer to bsr matrix.
Referenced by Dune::MixedSolver< X, M >::~MixedSolver().
◆ bsr_info()
| void bsr_info | ( | bsr_matrix * | A | ) |
Display matrix statistics.
- Parameters
-
A Pointer to bsr matrix
◆ bsr_init()
| void bsr_init | ( | bsr_matrix * | A, |
| int | nrows, | ||
| int | nnz, | ||
| int | b | ||
| ) |
Initialize bsr matrix.
- Parameters
-
A Pointer to bsr matrix. nrows Number of rows. @apram nnz Number of nonzero blocks. b Block size.
Referenced by Dune::MixedSolver< X, M >::MixedSolver().
◆ bsr_nonzeros()
| void bsr_nonzeros | ( | bsr_matrix * | A, |
| const char * | name | ||
| ) |
Display nonzero blocks of first few rows.
- Parameters
-
A Pointer to bsr matrix name String with desired name of bsr_matrix
◆ bsr_sparsity()
| void bsr_sparsity | ( | const bsr_matrix * | A, |
| const char * | name | ||
| ) |
Display spasity pattern of first few rows.
- Parameters
-
A Pointer to bsr matrix name String with desired name of bsr_matrix
◆ bsr_vdspmv3()
| void bsr_vdspmv3 | ( | bsr_matrix * | A, |
| const double * | x, | ||
| double * | y | ||
| ) |
Sparse matrix-vector multiplication in double precision.
- Note
- Function is specialized for 3x3 block-sparse matrices.
- Function uses AVX2 intrinsics.
- Parameters
-
A Pointer to bsr matrix. x Pointer to input vector. y Pointer to output vector.
◆ bsr_vmspmv3()
| void bsr_vmspmv3 | ( | bsr_matrix * | A, |
| const double * | x, | ||
| double * | y | ||
| ) |
Sparse matrix-vector multiplication in mixed precision.
- Note
- Function is specialized for 3x3 block-sparse matrices.
- Function uses AVX2 intrinsics.
- Parameters
-
A Pointer to bsr matrix. x Pointer to input vector. y Pointer to output vector.