convert to and from binary #116
Description
Where did this functionality go? I'm aware of gmpy2.from_binary and gmpy2.to_binary, but i need the gmpy behavior. I want to speedup some RSA sign and verify code.
In [1]: from gmpy import mpz
In [2]: n = mpz(12345)
In [3]: n.binary()
Out[3]: '90'
In [4]: mpz('90', 256)
Out[4]: mpz(12345)
In [5]: from gmpy2 import mpz
In [6]: n = mpz(12345)
In [7]: import gmpy2
In [8]: gmpy2.to_binary(n)
Out[8]: '\x01\x0190'
In [9]: gmpy2.from_binary('\x01\x0190')
Out[9]: mpz(12345)
In [10]: mpz('90', 256)
---------------------------------------------------------------------------
ValueError Traceback (most recent call last)
<ipython-input-10-6d09b478991e> in <module>()
----> 1 mpz('90', 256)
ValueError: base for mpz() must be 0 or in the interval 2 ... 62
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