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Re: 2-d histogram and Routines of same name [message #70988 is a reply to message #70987] Mon, 17 May 2010 08:22 Go to previous messageGo to previous message
wlandsman is currently offline  wlandsman
Messages: 743
Registered: June 2000
Senior Member
On May 17, 10:58 am, mgalloy <mgal...@gmail.com> wrote:

> It seems that PRODUCT is a built-in, not .pro code or in a DLM. So I
> made my own PRODUCT routine, but couldn't get IDL to ever use it, even
> if I manually compiled it. IDL always found the built-in PRODUCT first
> and used it. Maybe this was different in older versions of IDL? The docs
> say PRODUCT was introduced in IDL 5.6, but I only have access back to
> IDL 6.4 where it still seems to be a built-in.

It was built-in back in IDL 5.6. My only guess is that the OP has
an IDL version of V6.0 or earlier (to go along with his old version of
the NASA library?), or perhaps is using GDL. (The /PRESERVE_TYPE
keyword to PRODUCT() that is causing the error was introduced in
V6.1). --Wayne
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