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Man Pages


Manual Reference Pages  -  LLRINT (3)

NAME

llrint, llrintf, llrintl, lrint, lrintf, lrintl - convert to integer

CONTENTS

Library
Synopsis
Description
See Also
Standards
History

LIBRARY


.Lb libm

SYNOPSIS


.In math.h long long llrint double x long long llrintf float x long long llrintl long double x long lrint double x long lrintf float x long lrintl long double x

DESCRIPTION

The lrint function returns the integer nearest to its argument x according to the current rounding mode. If the rounded result is too large to be represented as a
.Vt long value, an invalid exception is raised and the return value is undefined. Otherwise, if x is not an integer, lrint raises an inexact exception. When the rounded result is representable as a
.Vt long , the expression lrint x is equivalent to (Vt longrint x) (although the former may be more efficient).

The llrint, llrintf, llrintl, lrintf, and lrintl functions differ from lrint only in their input and output types.

SEE ALSO

lround(3), math(3), rint(3), round(3)

STANDARDS

These functions conform to -isoC-99.

HISTORY

The llrint, llrintf, lrint, and lrintf routines first appeared in
.Fx 5.4 . The long double variants were introduced in
.Fx 8.0 .
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