lrint man page on Kali

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LRINT(3)		   Linux Programmer's Manual		      LRINT(3)

NAME
       lrint,  lrintf,	lrintl,	 llrint,  llrintf,  llrintl - round to nearest
       integer

SYNOPSIS
       #include <math.h>

       long int lrint(double x);
       long int lrintf(float x);
       long int lrintl(long double x);

       long long int llrint(double x);
       long long int llrintf(float x);
       long long int llrintl(long double x);

       Link with -lm.

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       All functions shown above:
	   _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L

DESCRIPTION
       These functions round their argument  to	 the  nearest  integer	value,
       using the current rounding direction (see fesetround(3)).

       Note  that  unlike  the rint(3) family of functions, the return type of
       these functions differs from that of their arguments.

RETURN VALUE
       These functions return the rounded integer value.

       If x is a NaN or an infinity, or the rounded value is too large	to  be
       stored  in  a long (long long in the case of the ll* functions), then a
       domain error occurs, and the return value is unspecified.

ERRORS
       See math_error(7) for information on how to determine whether an	 error
       has occurred when calling these functions.

       The following errors can occur:

       Domain error: x is a NaN or infinite, or the rounded value is too large
	      An invalid floating-point exception (FE_INVALID) is raised.

       These functions do not set errno.

VERSIONS
       These functions first appeared in glibc in version 2.1.

ATTRIBUTES
       For   an	  explanation	of   the  terms	 used  in  this	 section,  see
       attributes(7).

       ┌───────────────────────────────┬───────────────┬─────────┐
       │Interface		       │ Attribute     │ Value	 │
       ├───────────────────────────────┼───────────────┼─────────┤
       │lrint(), lrintf(), lrintl(),   │ Thread safety │ MT-Safe │
       │llrint(), llrintf(), llrintl() │	       │	 │
       └───────────────────────────────┴───────────────┴─────────┘
CONFORMING TO
       C99, POSIX.1-2001, POSIX.1-2008.

SEE ALSO
       ceil(3), floor(3), lround(3), nearbyint(3), rint(3), round(3)

COLOPHON
       This page is part of release 4.14 of the Linux  man-pages  project.   A
       description  of	the project, information about reporting bugs, and the
       latest	 version    of	  this	  page,	   can	   be	  found	    at
       https://www.kernel.org/doc/man-pages/.

				  2017-09-15			      LRINT(3)
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