Re: Incorrect expression calculation between programming languages

[Roberto Ierusalimschy <roberto@...>]

> Hello Luiz !
> 
> Thank you for the link !
> 
> But what still bugs me is the difference between heavily used programming
> languages:
> 
> And after removing all modulo operations:
> ====
> 
> EXPR = (((((((788)*(8.46))))+8342*1.803-1))*4186.4*(15))*(((22/((7530/((2)*(((((25))-421))))))*597)+7283.8-9.60+167))+(8871)
> 
> [...]

We still have different semantics for "/" with integer operands (at
least). Changing both "/" to "//" puts Lua in the 77... category.
(But I don't know what creates the 85... category. Using both doubles
and long doubles, Lua gives compatible results for this expression.)

-- Roberto