12   for(CPPL_INT 
i=0; 
i<(mat.
kl+mat.
ku+1)*mat.
n; 
i++){
 
CPPL_INT ku
upper band width 
_zgbmatrix operator-(const _zgbmatrix &mat)
CPPL_INT kl
lower band width 
_dgematrix i(const _dgbmatrix &mat)
const _zgbmatrix & operator+(const _zgbmatrix &mat)
(DO NOT USE) Smart-temporary Complex Double-precision General Band Matrix Class 
comple * array
1D array to store matrix data 
CPPL_INT n
matrix column size