Why not for mpfs? My impressions was that an array of pointers remains the same. On 24 Feb 2004, at 6:21 PM, Kevin Ryde wrote: On 23 Feb 2004, at 3:54 PM, Kevin Ryde wrote: > That's left to an application. demos/perl for instance keeps a free > list for mpz and mpq (but not mpf because the precision can vary).