5   CPPL_INT size =(mat.
kl+mat.
ku+1)*mat.
n;
 
    7   zscal_(&size, &d, mat.
array, &inc);
 
   15   CPPL_INT size =(mat.
kl+mat.
ku+1)*mat.
n;
 
   18   zscal_(&size, &dinv, mat.
array, &inc);
 
CPPL_INT ku
upper band width 
_zgbmatrix operator*(const _zgbmatrix &mat, const comple &d)
_zgbmatrix operator/(const _zgbmatrix &mat, const comple &d)
CPPL_INT kl
lower band width 
(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