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البرنامج التالي يحسب قيمة المتوسط للبيانات التي تمت إدخالها:
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
