Charlie Roberts <croberts@gmail.com> schrieb:
> On Fri, 26 Aug 2022 16:08:20 -0600, Louis Krupp
><lkrupp@invalid.pssw.com.invalid> wrote:
>
>>On 8/26/2022 2:49 PM, Lynn McGuire wrote:
>>> “Why do arrays start at 0?"
>>> https://buttondown.email/hillelwayne/archive/why-do-arrays-start-at-0/
>>>
>>> "It's not the reason you think. No, it's not that reason either.”
>>>
>>> My Fortran starts at one.  My C++ starts at zero.  This has made my
>>> life hell.
>>>
>>
>>Here's a crude outline of a solution:
>>
>>If you want a C++ array index to start at 1, make the array one element
>>bigger than necessary, and start indexing at 1, just like in Fortran.
>>Element 0 will be unused.
>>
>>If you want a C++ array to map exactly to a Fortran array, but with an
>>index starting at 1, wrap the C++ array in a class and overload the
>>subscripting operator(s) to subtract 1 from the index.
>>
>>Neither of these approaches seems elegant, but one of them should be
>>less hellish than the other.
>>
>>Louis
>
> The authors of "Numerical Recipes" started out with F77 and so all the
> code in their first book has arrays starting at 1. When they brought
> out the C version, they resorted to just this trick!

Ugh.

I never read the C (or C++) versions, the latest one I used is
the 2nd edition in Fortran 77 (which I still have within reach at
my desk).