Convert "a" to a normalized fraction in the range \[1,2\) times a power of two, and return the exponent value as an ExactFloat. This is equivalent to floor(log2(fabs(a))) but it is computed more efficiently.
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Convert "a" to a normalized fraction in the range \[1,2\) times a power of two, and return the exponent value as an ExactFloat. This is equivalent to floor(log2(fabs(a))) but it is computed more efficiently.