Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3644 by [email protected]: use of random should not modify the
global random state
http://code.google.com/p/sympy/issues/detail?id=3644
There is discussion of this at https://github.com/sympy/sympy/pull/1785
Basically, all random functions should be derived from a
random.Random(SYMPY_RANDOM_SEED). So, for example, `from random import
randint` should be replaced with
```
from random import Random
rng = Random(SYMPY_RANDOM_SEED)
randint = rng.randint
```
But perhaps it would be better to leave the `rng` in place in the code so
it's clear that the call to randint is using rng rather than the global
random module. Similarily, calls to `random.random()` would be replace
with `rng.random()`
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