def _del_mpc(mpc):
global in_mpc_cache
if in_mpc_cache < cache_size:
mpc_cache[in_mpc_cache] = mpc
# FIXME This doesn't seem to be working properly
if ffi.sizeof(mpc[0]) <= cache_obsize:
mpc_cache[in_mpc_cache] = mpc
else:
mpc_cache[in_mpc_cache] = ffi.new('mpc_t')
def _del_mpz(mpz):
global in_mpz_cache
if in_mpz_cache < cache_size:
if ffi.sizeof(mpz[0]) <= cache_obsize:
mpz_cache[in_mpz_cache] = mpz
else:
mpz_cache[in_mpz_cache] = ffi.new('mpz_t')
in_mpz_cache += 1
else:
gmp.mpz_clear(mpz)
def _mpz_to_pylong(a):
"""
Convert a to a python long.
:type a: mpz_t
:rtype: long
"""
size = ffi.sizeof('uint64_t')
numb = 8 * size
count = (gmp.mpz_sizeinbase(a, 2) + numb - 1) // numb
p = ffi.new('uint64_t[]', count)
gmp.mpz_export(p, ffi.NULL, 1, size, 0, 0, a)
res = 0
for n in p:
res = (res << numb) + n
return res * gmp.mpz_sgn(a)
def _mpz_to_pylong(a):
"""
Convert a to a python long.
:type a: mpz_t
:rtype: long
"""
size = ffi.sizeof('uint64_t')
numb = 8 * size
count = (gmp.mpz_sizeinbase(a, 2) + numb - 1) // numb
p = ffi.new('uint64_t[]', count)
gmp.mpz_export(p, ffi.NULL, 1, size, 0, 0, a)
res = 0
for n in p:
res = (res << numb) + n
return res * gmp.mpz_sgn(a)