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- <h2>Fortran mode</h2>
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- ! Example Fortran code
- program average
-
- ! Read in some numbers and take the average
- ! As written, if there are no data points, an average of zero is returned
- ! While this may not be desired behavior, it keeps this example simple
-
- implicit none
-
- real, dimension(:), allocatable :: points
- integer :: number_of_points
- real :: average_points=0., positive_average=0., negative_average=0.
-
- write (*,*) "Input number of points to average:"
- read (*,*) number_of_points
-
- allocate (points(number_of_points))
-
- write (*,*) "Enter the points to average:"
- read (*,*) points
-
- ! Take the average by summing points and dividing by number_of_points
- if (number_of_points > 0) average_points = sum(points) / number_of_points
-
- ! Now form average over positive and negative points only
- if (count(points > 0.) > 0) then
- positive_average = sum(points, points > 0.) / count(points > 0.)
- end if
-
- if (count(points < 0.) > 0) then
- negative_average = sum(points, points < 0.) / count(points < 0.)
- end if
-
- deallocate (points)
-
- ! Print result to terminal
- write (*,'(a,g12.4)') 'Average = ', average_points
- write (*,'(a,g12.4)') 'Average of positive points = ', positive_average
- write (*,'(a,g12.4)') 'Average of negative points = ', negative_average
-
- end program average
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