Article View: comp.lang.fortran
Article #4473Re: Block Data is evil
From: Howard S Shubs
Date: Sat, 23 Jan 1993 06:15
Date: Sat, 23 Jan 1993 06:15
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1916 bytes
In <1993Jan22.183106.15813@newshost.lanl.gov> jlg@cochiti.lanl.gov (J. Giles) writes: >In article <1993Jan21.074755.14939@arcetri.astro.it>, lfini@sisifo (Luca Fini) writes: >|> W. Donald Rolph (a722756@roper.mc.ti.com) wrote: >|> : >|> : Equivalence is in some cases the only possiblity for run time memory allocation >|> : >|> >|> Equivalence is *not* a run rime memory allocation, you simply call the >|> same memory area with different names (and possibly use it as different >|> data types). >Yes, and that permits you to do run-time management of a statically >allocated "maximum" space. You figure out what the maximum memory >you ever need is and you statically allocate that much: > PARAMETER (MAXMEM=1000000) > COMMON /MEMORY/ MEM(MAXMEM) >This reserves one million integer sized words. Now, you can write >a MALLOC routine which returns avalable space from within this array >in the form of an index (you actually have two mallocs, one for >integers and reals, the other for complex and doubles - since the >indices must be scaled differently). To use: You're not seriously suggesting that this be used in production code, are you? If you are, is this intended as job security? -- Howard S Shubs hshubs@bix.com For to win 100 victories in 100 The Denim Adept hshubs@cis.umassd.edu battles is not the acme of skill.
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Newsgroups: comp.lang.fortran Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!caen!nic.umass.edu!umassd.edu!hshubs From: hshubs@cis.umassd.edu (Howard S Shubs) Subject: Re: Block Data is evil Message-ID: <C1AMpC.BAt@umassd.edu> Sender: usenet@umassd.edu (USENET News System) Organization: University of Massachusetts Dartmouth References: <1993Jan20.143408@roper.mc.ti.com> <1993Jan21.074755.14939@arcetri.astro.it> <1993Jan22.183106.15813@newshost.lanl.gov> Date: Sat, 23 Jan 1993 06:15:10 GMT Lines: 30