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   comp.lang.fortran      Putting John Backus on a giant pedestal      5,127 messages   

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   Message 4,812 of 5,127   
   Thomas Koenig to Lawrence D'Oliveiro   
   Re: Is there a way in Fortran to designa   
   26 Oct 24 21:38:38   
   
   From: tkoenig@netcologne.de   
      
   Lawrence D'Oliveiro  schrieb:   
   > On Sat, 26 Oct 2024 11:51:42 -0000 (UTC), Thomas Koenig wrote:   
   >   
   >> The "parameter adjustment" above is explicitly listed as undefined   
   >> behavior, in annex J2 of n2596.pdf (for example):   
   >>   
   >> "Addition or subtraction of a pointer into, or just beyond, an array   
   >> object and an integer type produces a result that does not point into,   
   >> or just beyond, the same array object (6.5.6)."   
   >   
   > Read it again: note the qualification “that does not point into, or just   
   > beyond, the same array object”. So long as it *does* point “into, or just   
   > beyond, the same array object”, it is fine.   
      
   What you are writing is equivalent to   
      
         if (.false.) then   
      
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