FORTRAN: Getting Consecutive DIST Values


 
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Old 11-12-2010
FORTRAN: Getting Consecutive DIST Values

I have this code and I want to get the first two consecutive distances (obtained by calling GET_TH(IT, 'DIST', DIST) at index IT, the result stored in DIST) for which (ITFLG(IT) .NE. 1). L_FIRST get the first DIST for which ITFLG(IT) .NE. 1. Getting a bit confused on how to achieve this.


Code:
    L_FIRST = .TRUE.
    DO IT = 1, NT

      IF (ITFLG(IT) .NE. 1) THEN          ! Trace is live
        IF (L_FIRST) THEN
          CALL GET_TH(IT, 'DIST', DIST1)  ! Offset of first live trace
          IT1 = IT
          L_FIRST = .FALSE.
          ITN = IT1
        ELSE
          CALL GET_TH(IT, 'DIST', DISTN)  ! Offset of last live trace
          ITN = IT
        ENDIF
      ENDIF

    ENDDO


Last edited by kristinu; 11-12-2010 at 12:20 PM..
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GSL-RANDIST(1)						      General Commands Manual						    GSL-RANDIST(1)

NAME
gsl-randist - generate random samples from various distributions SYNOPSYS
gsl-randist seed n DIST param1 param2 [..] DESCRIPTION
gsl-randist is a demonstration program for the GNU Scientific Library. It generates n random samples from the distribution DIST using the distribution parameters param1, param2, ... EXAMPLE
Here is an example. We generate 10000 random samples from a Cauchy distribution with a width of 30 and histogram them over the range -100 to 100, using 200 bins. gsl-randist 0 10000 cauchy 30 | gsl-histogram -100 100 200 > histogram.dat A plot of the resulting histogram will show the familiar shape of the Cauchy distribution with fluctuations caused by the finite sample size. awk '{print $1, $3 ; print $2, $3}' histogram.dat | graph -T X SEE ALSO
gsl(3), gsl-histogram(1). AUTHOR
gsl-randist was written by James Theiler and Brian Gough. Copyright 1996-2000; for copying conditions see the GNU General Public Licence. This manual page was added by the Dirk Eddelbuettel <edd@debian.org>, the Debian GNU/Linux maintainer for GSL. GNU
GSL-RANDIST(1)