mm_array_write -- Write a dense array from a file in the MatrixMarket format

$\begin{lstlisting} call mm_array_write(b, iret, iunit, filename) \end{lstlisting}$

Type:: Asynchronous.
On Entry
b: Rigth hand side(s).
Type: required
An array of type real or complex, rank 1 or 2; will be written..
filename: The name of the file to be written.
Type:optional.
Specified as: a character variable containing a valid file name, or -, in which case the default input unit 5 (i.e. standard input 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 -.

On Return
iret: Error code.
Type: required
An integer value; 0 means no error has been detected.