SBDIMM/DBDIMM/CBDIMM/ZBDIMM

Block diagonal matrix-matrix multiply

ibdiag( )

Integer array of length nbdiag consisting of the

 

corresponding indices of the nonzero block diagonals of

 

A in val( ).

nbdiag

Number of nonzero block diagonals in A.

lb

Row and column dimension of the dense blocks

 

composing val.

b( )

Rectangular array with leading dimension ldb.

ldb

Leading dimension of b.

beta

Scalar parameter.

c( )

Rectangular arrary with leading dimension ldc.

ldc

Leading dimension of c.

work( )

Scratch array of length lwork. Not used.

lwork

Length of work array.

448HP MLIB User’s Guide