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ITERATE.F77
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1987-04-02
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C ITERATIVE FORTRAN SOURCE CODE
C
INTEGER I, J
REAL A0, B0, C0, D0
REAL A1, B1, C1, D1
C
DATA A0/1.0/, B0/2.0/, C0/3.0/, D0/4.0/
C
DO 10 I=1,1000
DO 10 J=1,1000
A1 = C0 - B0
B1 = D0 / B0
C1 = A0 + B0
D1 = B0 * B0
A0 = C1 - B1
B0 = D1 / B1
C0 = A1 + B1
D0 = B1 * B1
10 CONTINUE
C
WRITE(*,1000) A1, B1, C1, D1
1000 FORMAT(4F10.1)
END