MAGMA  1.6.1
Matrix Algebra for GPU and Multicore Architectures
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double-complex precision

Functions

magma_int_t magma_zcumilusetup (magma_z_sparse_matrix A, magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the ILU preconditioner via the cuSPARSE. More...
 
magma_int_t magma_zcumilugeneratesolverinfo (magma_z_preconditioner *precond, magma_queue_t queue)
 Prepares the ILU triangular solves via cuSPARSE using an ILU factorization matrix stored either in precond->M or on the device as precond->L and precond->U. More...
 
magma_int_t magma_zapplycumilu_l (magma_z_vector b, magma_z_vector *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the left triangular solves using the ILU preconditioner. More...
 
magma_int_t magma_zapplycumilu_r (magma_z_vector b, magma_z_vector *x, magma_z_preconditioner *precond, magma_queue_t queue)
 Performs the right triangular solves using the ILU preconditioner. More...
 

Detailed Description

Function Documentation

magma_int_t magma_zapplycumilu_l ( magma_z_vector  b,
magma_z_vector *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the left triangular solves using the ILU preconditioner.

Parameters
[in]bmagma_z_vector RHS
[in,out]xmagma_z_vector* vector to precondition
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zapplycumilu_r ( magma_z_vector  b,
magma_z_vector *  x,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Performs the right triangular solves using the ILU preconditioner.

Parameters
[in]bmagma_z_vector RHS
[in,out]xmagma_z_vector* vector to precondition
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcumilugeneratesolverinfo ( magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the ILU triangular solves via cuSPARSE using an ILU factorization matrix stored either in precond->M or on the device as precond->L and precond->U.

Parameters
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_zcumilusetup ( magma_z_sparse_matrix  A,
magma_z_preconditioner *  precond,
magma_queue_t  queue 
)

Prepares the ILU preconditioner via the cuSPARSE.

Parameters
[in]Amagma_z_sparse_matrix input matrix A
[in,out]precondmagma_z_preconditioner* preconditioner parameters
[in]queuemagma_queue_t Queue to execute in.