[ decimal->frexp ]
[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.
- Syntax
Decimal Object->frexpExamples
- Beginner
To break a floating-point number into a normalized fraction and a power of 2:
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.
Code
1024.0->frexpResult
(0.500000 = 11)
Resources
- Articles
- frexp - extract mantissa and exponent from a double precision number
http://pubs.opengroup.org/onlinepubs/007908799/xsh/frexp.html
Please note that periodically LassoSoft will go through the notes and may incorporate information from them into the documentation. Any submission here gives LassoSoft a non-exclusive license and will be made available in various formats to the Lasso community.
LassoSoft Inc. > Home
©LassoSoft Inc 2015 | Web Development by Treefrog Inc | Privacy | Legal terms and Shipping | Contact LassoSoft
Recent Comments