CPPL_INT m
matrix row size 
const _zgematrix & operator+(const _zgematrix &mat)
_zgematrix operator-(const _zgematrix &mat)
_dgematrix i(const _dgbmatrix &mat)
(DO NOT USE) Smart-temporary Complex Double-precision General Dence Matrix Class 
comple * array
1D array to store matrix data 
CPPL_INT n
matrix column size