Re: Reference to derived type element by index?
- From: Gary Scott <garylscott@xxxxxxxxxxxxx>
- Date: Sat, 29 Mar 2008 19:44:21 -0500
Rob Crain wrote:
I have a derived type, e.g.type circle_datatype
type circle_datatype
real :: radius
real :: x
real :: y
real :: z
character(len=*) :: circle_label
endtype circle_datatype
type(circle_datatype) :: circle
and want to refer to the individual elements via some indexing scheme, say in this example I want to change the value of circle%radius I would use index #1, or the z-coordinate I would use #4. Is there some method by which this is possible?
I think IDL has a system for this, such that circle.radius can be referenced by circle.(0), but I really need Fortran's horsepower for this code!
real :: radius(100)
real :: x(100)
real :: y(100)
real :: z(100)
character(len=256) :: circle_label(100)
endtype circle_datatype
type(circle_datatype) :: circle
circle%radius(1) = <something>
--
Gary Scott
mailto:garylscott@sbcglobal dot net
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