Language Ccpp Cref Man Frexp.htm

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<h3>FREXP(3)            Linux Programmer's Manual            FREXP(3)
</h3>

<h3>NAME
</h3>       frexp  -  convert  floating-point number to fractional and
       integral components

<h3>SYNOPSIS
</h3>       #include &lt;math.h&gt;

       double frexp(double x, int *exp);

<h3>DESCRIPTION
</h3>       The frexp() function is used to split the number x into  a
       normalized  fraction  and  an  exponent which is stored in
       exp.

<h3>RETURN VALUE
</h3>       The frexp() function returns the normalized fraction.   If
       the  argument  x is not zero, the normalized fraction is x
       times a power of two, and  is  always  in  the  range  1/2
       (inclusive) to 1 (exclusive).  If x is zero, then the nor-
       malized fraction is zero and zero is stored in exp.

<h3>CONFORMING TO
</h3>       SVID 3, POSIX, BSD 4.3, ISO 9899

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<h3>SEE ALSO
</h3><p>
<a href=ldexp.htmldexp</a>, 
<a href=modf.htm>modf</a>, 
<pre>































<h3>GNU                        June 6, 1993                         1
</h3>


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