- Type:
- Asynchronous.
- On Entry
-
- a
- the sparse matrix to be written.
Type:required.
Specified as: a structured data of type spdatapsb_Tspmat_type.
- b
- Rigth hand side.
Type: Optional
An array of type real or complex, rank 1 and having the ALLOCATABLE
attribute; will be allocated and filled in if the input file contains
a right hand side.
- filename
- The name of the file to be written to.
Type:optional.
Specified as: a character variable containing a valid file name, or
-, in which case the default output unit 6 (i.e. standard output
in Unix jargon) is used. Default: -.
- iunit
- The Fortran file unit number.
Type:optional.
Specified as: an integer value. Only meaningful if filename is not -.
- key
- Matrix key.
Type: Optional
A charachter variable of length 8 holding the
matrix key as specified by the Harwell-Boeing format and to be
written to file.
- mtitle
- Matrix title.
Type: Optional
A charachter variable of length 72 holding the
matrix title as specified by the Harwell-Boeing format and to be
written to file.
- On Return
-
- iret
- Error code.
Type: required
An integer value; 0 means no error has been detected.
