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”).