21 lines
588 B
Python
21 lines
588 B
Python
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import decimal
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def remove_exponent(d):
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return d.quantize(decimal.Decimal(1)) if d == d.to_integral() else d.normalize()
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def round_to(number, increment, up_threshold=0.95):
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""" round number to nearest multiple of increment """
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ratio = number/increment
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whole = ratio.to_integral(rounding=decimal.ROUND_DOWN)
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dec = ratio - whole
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if dec >= up_threshold:
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whole += 1
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return whole * increment
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def to_lb(weight_kg):
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return remove_exponent(round_to(weight_kg * decimal.Decimal("2.2046"),
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decimal.Decimal("0.125")))
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