[GiNaC-list] is ginac thread safe for this case?

[Alexei Sheplyakov]

Hello,

On Sun, Jun 13, 2010 at 03:44:13PM -0400, Cristobal Navarro wrote:
> i would to clear a little!
> 
> the expressions are independant from each thread,
> 
> exp1 = x*y+....
> 
> exp2 = x+x+x+x...
> 
> exp3 = y+y*y+3...
> ..
> ..
> expn = just_symbols..
> 
> no subexpressions never.

You can't know that for sure. Expression sharing is completely transparent
for the user, it might be a side effect of some computation (i.e. calculating
the derivative of a product, comparing two expressions, etc).

Best regards,
	Alexei