jepler/Jepler_CircuitPython_udecimal
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Give clear error about bit length on import

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This commit is contained in:
Jeff Epler 2020-11-09 07:33:41 -06:00
parent 3258843a85
commit c2052c1169
1 changed files with 5 additions and 0 deletions
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5
jepler_udecimal/__init__.py
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@ -160,6 +160,11 @@ except NameError:
if sys.implementation.name == "circuitpython":
if not hasattr(int, "bit_length"):
raise ImportError(
"jepler_udecimal requires int.bit_length. Use CircuitPython 6.0.0-rc.1 or newer."
)
def _as_integer_ratio(f):
m, e = _math.frexp(f)
m = round(m * (1 << 53))