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BIGARRAY.F77
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1987-04-02
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503b
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23 lines
C PROGRAM WITH A LARGE ARRAY
C
INTEGER I, J
REAL MATRIX, SUM
DIMENSION MATRIX(200,200)
C
C MATRIX IS A 200 X 200 = 40000 ELEMENT ARRAY
C OR 160 KILOBYTES AT 4 BYTES/ELEMENT
C
DATA MATRIX/10000*1.0,10000*2.0,10000*3.0,10000*4.0/
C
C Calculate the sum of all elements
C
SUM = 0.0
DO 10 J=1,200
DO 10 I=1,200
SUM = SUM + MATRIX(I,J)
10 CONTINUE
C
WRITE(*,1000) SUM
1000 FORMAT(2X,'SUM = ',1F9.1)
END