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b9793e1cd4
* fixed version updates in release script * formatted Python scripts with `black` - The uncompromising code formatter (https://black.readthedocs.io/) * f-string all the things
39 lines
715 B
Python
39 lines
715 B
Python
import sys
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from math import floor
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def log2(x):
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"""returns ceil(log2(x)))"""
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y = 0
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while (1 << y) < x:
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y = y + 1
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return y
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for q in range(1, 17 + 1):
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d = 5 ** q
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b = 127 + log2(d)
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t = 2 ** b
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c = t // d + 1
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assert c < 2 ** 128
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assert c >= 2 ** 127
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K = 2 ** 127
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if not (c * K * d <= (K + 1) * t):
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print(q)
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top = floor(t / (c * d - t))
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sys.exit(-1)
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for q in range(18, 344 + 1):
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d = 5 ** q
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b = 64 + 2 * log2(d)
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t = 2 ** b
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c = t // d + 1
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assert c > 2 ** (64 + log2(d))
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K = 2 ** 64
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if not (c * K * d <= (K + 1) * t):
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print(q)
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top = floor(t / (c * d - t))
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sys.exit(-1)
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print("all good")
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