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Re: Compiling IDL ... ever likey ? [message #5645 is a reply to message #5518]

Thu, 18 January 1996 00:00

James Tappin
Messages: 54
Registered: December 1995

Member

It stikes me that the biggest technical problem would be handling the way IDL
is able to change the type of variables without the user knowing explicitly
that it is doing so. While the merit of this practice may be debatable, it is
difficult for me (as a user of serveral languages rather than a compiler
expert) to see an *efficient* compiled code able to do something like:

a = indgen(20)
a = a+0.5

and have a come out of it as a real quantity. I agree that "a=findgen(20)+0.5"
is probably better from all standpoints anyway but it's merely to illustrate
the point.

Apart from that problem is is not very difficult to translate IDL "analysis"
code into fortran-90. Graphical interfaces are another matter and would need an
"IDL graphics & widgets library".

--
+------------------------+---------------------------------- --+---------+
| James Tappin, | School of Physics & Space Research | O__ |
| sjt@star.sr.bham.ac.uk | University of Birmingham | -- \/` |
| Ph: 0121-414-6462. Fax: 0121-414-3722 | |
+----------------------------------------------------------- --+---------+

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[Message index]

		Compiling IDL ... ever likey ? By: julien on Tue, 16 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ken Knighton on Tue, 23 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: steinhh on Mon, 22 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ken Knighton on Mon, 22 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: thompson on Sun, 21 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: James Tappin on Thu, 18 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ken Knighton on Sat, 27 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ken Knighton on Sat, 27 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: David Foster on Fri, 26 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: steinhh on Fri, 26 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ken Knighton on Thu, 25 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: thompson on Thu, 25 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ken Knighton on Tue, 23 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Rick White on Tue, 23 January 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Andy Loughe on Mon, 05 February 1996 00:00
		Re: Compiling IDL ... ever likey ? By: David Ritscher on Fri, 02 February 1996 00:00
		Re: Compiling IDL ... ever likey ? By: Ferdinand Jamitzky on Mon, 12 February 1996 00:00

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