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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)

                                 June 6, 1993                          MODF(3)