NAME
modf
, modff
,
modfl
—
extract signed integral and fractional
values from floating-point number
LIBRARY
library “libm”
SYNOPSIS
#include
<math.h>
double
modf
(double
value, double
*iptr);
float
modff
(float
value, float
*iptr);
long double
modfl
(long
double value, long double
*iptr);
DESCRIPTION
Themodf
()
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
STANDARDS
The modf
() function conforms to
ANSI X3.159-1989
(“ANSI C89”).