def tryone_inner(tag, nbins, hashes, expected=None, zlimit=None):
from collections import Counter
nballs = len(hashes)
mean, sdev = support.collision_stats(nbins, nballs)
c = Counter(hashes)
collisions = nballs - len(c)
z = (collisions - mean) / sdev
pileup = max(c.values()) - 1
del c
got = (collisions, pileup)
failed = False
prefix = ""
if zlimit is not None and z > zlimit:
failed = True
prefix = f"FAIL z > {zlimit}; "
if expected is not None and got != expected:
failed = True
prefix += f"FAIL {got} != {expected}; "
if failed or JUST_SHOW_HASH_RESULTS:
msg = f"{prefix}{tag}; pileup {pileup:,} mean {mean:.1f} "
msg += f"coll {collisions:,} z {z:+.1f}"
if JUST_SHOW_HASH_RESULTS:
import sys
print(msg, file=sys.__stdout__)
else:
self.fail(msg)
def tryone_inner(tag, nbins, hashes, expected=None, zlimit=None):
from collections import Counter
nballs = len(hashes)
mean, sdev = support.collision_stats(nbins, nballs)
c = Counter(hashes)
collisions = nballs - len(c)
z = (collisions - mean) / sdev
pileup = max(c.values()) - 1
del c
got = (collisions, pileup)
failed = False
prefix = ""
if zlimit is not None and z > zlimit:
failed = True
prefix = f"FAIL z > {zlimit}; "
if expected is not None and got != expected:
failed = True
prefix += f"FAIL {got} != {expected}; "
if failed or JUST_SHOW_HASH_RESULTS:
msg = f"{prefix}{tag}; pileup {pileup:,} mean {mean:.1f} "
msg += f"coll {collisions:,} z {z:+.1f}"
if JUST_SHOW_HASH_RESULTS:
import sys
print(msg, file=sys.__stdout__)
else:
self.fail(msg)