PROGRAM xbalanc C driver for routine balanc INTEGER NP PARAMETER(NP=5) INTEGER i,j REAL a(NP,NP),r(NP),c(NP) DATA a/1.0,1.0,1.0,1.0,1.0,100.0,1.0,100.0,1.0,100.0, * 1.0,1.0,1.0,1.0,1.0,100.0,1.0,100.0,1.0,100.0, * 1.0,1.0,1.0,1.0,1.0/ C print norms do 12 i=1,NP r(i)=0.0 c(i)=0.0 do 11 j=1,NP r(i)=r(i)+abs(a(i,j)) c(i)=c(i)+abs(a(j,i)) 11 continue 12 continue write(*,*) 'Rows:' write(*,*) (r(i),i=1,NP) write(*,*) 'Columns:' write(*,*) (c(i),i=1,NP) write(*,'(/1x,a/)') '***** Balancing Matrix *****' call balanc(a,NP,NP) C print norms do 14 i=1,NP r(i)=0.0 c(i)=0.0 do 13 j=1,NP r(i)=r(i)+abs(a(i,j)) c(i)=c(i)+abs(a(j,i)) 13 continue 14 continue write(*,*) 'Rows:' write(*,*) (r(i),i=1,NP) write(*,*) 'Columns:' write(*,*) (c(i),i=1,NP) END