_mp_alloc to long int

[Torbjörn Granlund]

Brett Kuntz <kuntz at shaw.ca> writes:

  #include <stdint.h> 
  ... 
  int64_t _mp_alloc; 
  int64_t _mp_size; 

Or plain "long" perhaps as that would only affect 64-bit machines.

  /mpz/realloc.c 
  if (UNLIKELY (new_alloc > ULLONG_MAX / GMP_NUMB_BITS)) 
  if (UNLIKELY (new_alloc > ULLONG_MAX)) 

Plus anaolgous changes to a few more alloc/init functiins.

I wouldn't trust the modified library just if it seems to work with some
application.  I'd modify the test suite to exercise huge operands, that
would give much greater confidence of correctness.

-- 
Torbjörn
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