modf

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NAME

       modf  - extract signed integral and fractional values from
       floating-point number


SYNOPSIS

       #include <math.h>

       double modf(double x, double *iptr);


DESCRIPTION

       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.


RETURN VALUE

       The modf() function returns the fractional part of x.


CONFORMING TO

       SVID 3, POSIX, BSD 4.3, ISO 9899


SEE ALSO

       frexp(3), ldexp(3)
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