Homework Statement
I have two subroutine syntax program in fotran77 code, and I am stuck to understand it.
this is the first subroutine code
subroutine LZHES(N,A,NA,B,NB,X,NX,WANTX)
c
implicit real*8 (a-h,o-z)
c
complex*16 Y,W,Z,A(NA,N),B(NB,N),X(NX,N)
real*8 C,D
logical WANTX
c
NM1=N-1
DO 30...