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GSIVIS.for
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1991-04-13
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411 b
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17 lines
INTEGER*2 FUNCTION GSIVIS(X,Y)
IMPLICIT NONE
REAL*4 X,Y
C
INCLUDE DIGLIB$KOM:GCCLIP.PRM
C
C
GSIVIS = 0
D WRITE(9,123)X,Y,XCM0,XCM1,YCM0,YCM1
D123 FORMAT(1X,"GSIVIS",6F6.2)
IF (X .LT. XCM0) GSIVIS = 1
IF (X .GT. XCM1) GSIVIS = GSIVIS + 2
IF (Y .LT. YCM0) GSIVIS = GSIVIS + 4
IF (Y .GT. YCM1) GSIVIS = GSIVIS + 8
RETURN
END