modf

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

<h3>NAME
</h3>       modf  - extract signed integral and fractional values from
       floating-point number

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

       double modf(double x, double *iptr);

<h3>DESCRIPTION
</h3>       The modf() function breaks the argument x into an integral
       part  and  a  fractional  part, each of which has the same
       sign as x.  The integral part is stored in iptr.

<h3>RETURN VALUE
</h3>       The modf() function returns the fractional part of x.

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

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<h3>SEE ALSO
</h3><p>
<a href=frexp.htm>frexp</a>, 
<a href=ldexp.htmldexp</a>, 
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                           June 6, 1993                         1



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