[decimal->frexp] breaks a floating-point number into a normalized fraction and an integral power of 2. Returns a pair, where the normalized fraction is the first element and the integral power of 2 is the second element in the pair. The normalized fraction is expressed as a decimal in the interval [½, 1) or 0.
Use the [decimal->frexp] method. The following example breaks a floating-point number into a normalized fraction and a power of 2, expressed as a pair.
(0.500000 = 11)
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