call prec%build(a, desc_a, info[,amold,vmold,imold])
- Type:
- Synchronous.
- On Entry
-
- a
- the system sparse matrix.
Scope: local
Type: required
Intent: in, target.
Specified as: a sparse matrix data structure spdatapsb_Tspmat_type.
- prec
- the preconditioner.
Scope: local
Type: required
Intent: inout.
Specified as: an already initialized precondtioner data structure precdatapsb_prec_type
- desc_a
- the problem communication descriptor.
Scope: local
Type: required
Intent: in, target.
Specified as: a communication descriptor data structure descdatapsb_desc_type.
- amold
- The desired dynamic type for the internal matrix storage.
Scope: local.
Type: optional.
Intent: in.
Specified as: an object of a class derived from spbasedatapsb_T_base_sparse_mat.
- vmold
- The desired dynamic type for the internal vector storage.
Scope: local.
Type: optional.
Intent: in.
Specified as: an object of a class derived from vbasedatapsb_T_base_vect_type.
- imold
- The desired dynamic type for the internal integer vector storage.
Scope: local.
Type: optional.
Intent: in.
Specified as: an object of a class derived from (integer) vbasedatapsb_T_base_vect_type.
- On Return
-
- prec
- the preconditioner.
Scope: local
Type: required
Intent: inout.
Specified as: a precondtioner data structure precdatapsb_prec_type
- info
- Error code.
Scope: local
Type: required
Intent: out.
An integer value; 0 means no error has been detected.
The amold, vmold and imold arguments may be
employed to interface with special devices, such as GPUs and other
accelerators.
