MODF(3)                   386BSD Programmer's Manual                   MODF(3)

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

SYNOPSIS
     #include <math.h>

     double
     modf(double value, double *iptr)

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

SEE ALSO
     frexp(3),  ldexp(3),  math(3)

STANDARDS
     The modf() function conforms to ANSI C3.159-1989 (``ANSI C'').

BSD Experimental                 June 29, 1991                               1