Next: psb_precaply Preconditioner
Up: Preconditioner routines
Previous: psb_precinit Initialize
Contents
call psb_precbld(a, desc_a, prec, info)
- 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.
- 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.