Re: exponent and modulus operator oddities on ppc

[Ralph Hempel <rhempel@...>]

Glenn McAllister wrote:
> We've been having some odd problems with the exponent operator ('^') and 

<snip>

> Host: ppc 32-bit
>
> Given the following script, it produces the correct results on both x86 
> and ppc:
>
>  y = 2^3
>  print('y = ', y)
>
>  x = 10 % y
>  print('x = ', x)
>
>  y = 2^3
>  print('y = ', y)
>
> The output on both platforms is:
>
>  y =     8
>  x =     2
>  y =     8
>
> However, if we run the morally equivalent series of operations directly 
> in the lua interpreter on the target ppc system, we get a different result:
>
>  Lua 5.1.3  Copyright (C) 1994-2008 Lua.org, PUC-Rio
>  > x = 2^3
>  > =x
>  8
>  > y = 10 % x
>  > =y
>  2
>  > z = 2^3
>  > =z
>  4.0096609170284

What happens if you run the "morally equivalent" script from a file?

And is the last step z = 2^3 or is it z = y^3

Ralph