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trunc(3) -- Linux man page

 

NAME

trunc, truncf, truncl - round to interger, towards zero  

SYNOPSIS

#include <math.h>

double trunc(double x);


float truncf(float x);


long double truncl(long double x);
 

DESCRIPTION

These functions round x to the nearest integer not larger in absolute value.  

RETURN VALUE

The rounded integer value. If x is integral, infinite or NaN, x itself is returned.  

ERRORS

None.  

CONFORMING TO

C99.  

SEE ALSO

ceil(3), floor(3), lrint(3), nearbyint(3), rint(3), round(3)


 
LINUX MAN PAGES
Man1 -- User Commands (Intro)
Man2 -- System Calls (Intro)
Man3 -- Library Functions (Intro)
Man4 -- Special Files (Intro)
Man5 -- File Formats (Intro)
Man6 -- Games (Intro)
Man7 -- Miscellaneous (Intro)
Man8 -- Administration (Intro)
Mann -- TCL Functions (not available)


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