NAME
modf
- extract signed integral and fractional values from floating-point number
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
double
modf(double value, double *iptr)
float
modff(float value, float *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 X3.159-1989 (``ANSI C89'') .