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feat: hashing algorithm changed to md5

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This commit is contained in:
Fabian Joswig 2022-07-05 10:19:49 +01:00
parent b2d5263ea3
commit ded21e792f
1 changed files with 8 additions and 4 deletions
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12
pyerrors/obs.py
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@ -1,4 +1,5 @@
import warnings
import hashlib
import pickle
from math import gcd
from functools import reduce
@ -685,10 +686,13 @@ class Obs:
return '{:.0f}({:2.0f})'.format(self.value, self._dvalue)
def __hash__(self):
return hash((np.array([self.value]).astype(np.float32)[0],
tuple([o.astype(np.float32).data.tobytes() for o in self.deltas.values()]),
tuple(np.array([o.errsq() for o in self.covobs.values()]).astype(np.float32).data.tobytes()),
tuple(self.names)))
hash_tuple = (np.array([self.value]).astype(np.float32).data.tobytes(),)
hash_tuple += tuple([o.astype(np.float32).data.tobytes() for o in self.deltas.values()])
hash_tuple += tuple([np.array([o.errsq()]).astype(np.float32).data.tobytes() for o in self.covobs.values()])
hash_tuple += tuple([o.encode() for o in self.names])
m = hashlib.md5()
[m.update(o) for o in hash_tuple]
return int(m.hexdigest(), 16)
# Overload comparisons
def __lt__(self, other):