SYNOPSIS DOUBLE PRECISION FUNCTION ZLA_GBRPVGRW( N, KL, KU, NCOLS, AB, LDAB, AFB, LDAFB ) IMPLICIT NONE INTEGER N, KL, KU, NCOLS, LDAB, LDAFB COMPLEX*16 AB( LDAB, * ), AFB( LDAFB, * ) PURPOSE ZLA_GBRPVGRW computes ... . ARGUMENTS