SCSCSM/DCSCSM/CCSCSM/ZCSCSM

Compressed sparse column format triangular solve

val( )

Scalar array of length nnz containing matrix entries.

indx( )

Integer array of length nnz containing row indices.

pntrb( )

Integer array of length k such that pntrb(j) points to

 

location in val of the first nonzero element in column j.

pntre( )

Integer array of length k such that pntre(j)-1points to

 

location in val of the first nonzero element in column j.

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. lwork should be at least

 

mb x lb x min(lb, n).

lwork

Length of work array.

488HP MLIB User’s Guide