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BitString decomposing
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| defmodule IEEE_754 do | |
| def friction_to_mantissa(""), do: 0 | |
| def friction_to_mantissa(<<n::1, rest::bits>>), | |
| do: n + friction_to_mantissa(rest) * 0.5 | |
| end | |
| iex> mantissa = IEEE_754.friction_to_mantissa(<<1::1, friction::bits>>) | |
| ...> :math.pow(-1, sign) * mantissa * :math.pow(2, exponent - 1023) | |
| 3.14 |
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