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    Command:

    llroundf

    
    
    
    

    SYNOPSIS

           #include <math.h>
    
           long int lround(double x);
           long int lroundf(float x);
           long int lroundl(long double x);
    
           long long int llround(double x);
           long long int llroundf(float x);
           long long int llroundl(long double x);
    
           Link with -lm.
    
       Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
    
           All functions shown above:
               _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE ||
               _POSIX_C_SOURCE >= 200112L;
               or cc -std=c99
    
    
    

    DESCRIPTION

           These  functions  round  their  argument  to the nearest integer value,
           rounding away from zero, regardless of the current  rounding  direction
           (see fenv(3)).
    
           Note  that  unlike the round(3) and ceil(3), 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

       Multithreading (see pthreads(7))
    
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