[TUHS] [PiDP-11] Fun with Fortran on the PiDP-11

Adam Thornton athornton at gmail.com
Sun Mar 13 14:43:51 AEST 2022



> On Mar 12, 2022, at 2:02 PM, Rob Pike <r at golang.org> wrote:
> 
> Indeed. Be careful about the code Numerical Recipes if you are doing
> important numerical work. 

> For simple stuff it's fine, of course, but floating point is a
> minefield that requires expert navigation.
> 
> -rob

That's the seductive trap of floating-point numbers, isn't it?  They invite us to think about them as if they were the real numbers, but they are very, very much *not* the real numbers.  And yet, most of the time, for most applications, if you treat them as if they were, you get plausible results.

Adam


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