FORTRAN -Returning index fir which values fall in a region Post: 302475934

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Top Forums Programming FORTRAN -Returning index fir which values fall in a region Post 302475934 by kristinu on Tuesday 30th of November 2010 10:28:21 AM

11-30-2010

Registered User

FORTRAN -Returning index fir which values fall in a region

I have an 10 element array containing numbers, I want the start and end index in the array for which the values lie between DIST1 and DIST2. It is not working quite right. I also might want a value of 0 if I cannot find an index.

Code:

    V=(/10.0,20.0,30.0,40.0,50.0,60.0,70.0,80.0,90.0,100.0/)

    PRINT *, V
    PRINT *, DIST1, DIST2
    I = 1
    ISTART = 0
    DO WHILE ((V(I) < DIST1).AND.(I <= 10))
      ISTART = ISTART + 1
      I = I + 1
    END DO

    I = 0
    IEND = 0
    DO WHILE ((V(I) <= DIST2).AND.(I <= 10))
      IEND = IEND + 1
      I = I + 1
    END DO
    IEND = IEND - 1

kristinu

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