TRUNC

Section: Linux Programmer's Manual (3)
Updated: 2001-05-31
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NAME

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

SYNOPSIS

#include <math.h>

double trunc(double x);

float truncf(float x);
long double truncl(long double x);

Compile with -std=c99; link with -lm.  

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)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
CONFORMING TO
SEE ALSO

linux.jgfs.net manual pages