LAPACK
3.8.0
LAPACK: Linear Algebra PACKage

Functions  
double precision function  dlangb (NORM, N, KL, KU, AB, LDAB, WORK) 
DLANGB returns the value of the 1norm, Frobenius norm, infinitynorm, or the largest absolute value of any element of general band matrix. More...  
subroutine  dlaqgb (M, N, KL, KU, AB, LDAB, R, C, ROWCND, COLCND, AMAX, EQUED) 
DLAQGB scales a general band matrix, using row and column scaling factors computed by sgbequ. More...  
This is the group of double auxiliary functions for GB matrices