NAME    [Toc]    [Back]

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

SYNOPSIS    [Toc]    [Back]

     #include <math.h>

     double
     modf(double value, double *iptr);

DESCRIPTION    [Toc]    [Back]

     The  modf() function breaks the argument value into integral
and fractional
 parts, each of which has the same sign as  the  argument.
It stores the
     integral  part as a double in the object pointed to by iptr.

RETURN VALUES    [Toc]    [Back]

     The modf() function returns the signed  fractional  part  of
value.

SEE ALSO    [Toc]    [Back]

     frexp(3), ldexp(3), math(3)

STANDARDS    [Toc]    [Back]

     The  modf()  function  conforms  to ANSI X3.159-1989 (``ANSI
C'').

OpenBSD      3.6                           June      4,      1993