MatZeroEntries

#define MatZeroEntries	(		M,
			n,
			m
	)

Value:

for(i=0;i<n;i++){ \
                                for(j=0;j<m;j++){ \
                                  M[i][j] = 0.0 + I* 0.0; \
                                } \
                              }

Macro to set all the elements of a Matrix to Complex 0.