NAME
llrint,
llrintf,
lrint,
lrintf —
convert to integer
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
long long
llrint(
double
x);
long long
llrintf(
float
x);
long
lrint(
double
x);
long
lrintf(
float
x);
DESCRIPTION
The
lrint() function returns the integer nearest to its
argument
x according to the current rounding mode.
The
llrint(),
llrintf(), and
lrintf() functions differ from
lrint()
only in their input and output types.
RETURN VALUES
The
llrint,
llrintf,
lrint, and
lrintf functions return the
integer nearest to their argument
x according to the
current rounding mode. If the rounded result is too large to be represented as
a
long long or
long value,
respectively, the return value is undefined.
SEE ALSO
math(3),
rint(3),
round(3)
STANDARDS
The
llrint(),
llrintf(),
lrint(), and
lrintf() functions conform to
ISO/IEC 9899:1999 (“ISO C99”).