LAPACK
3.10.1
LAPACK: Linear Algebra PACKage

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