09-21-2006
Help In Awk
Hi Friends,
I need a help again in awk.
I just need to round up a value.
Eg Say x=5.664584525
I need to display x=5.66 means round. How can i do round in UNIX.
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LEARN ABOUT OPENDARWIN
lround
ROUND(3) BSD Library Functions Manual ROUND(3)
NAME
round, lround, llround -- round to integral value, regardless of rounding direction
SYNOPSIS
#include <math.h>
double
round(double x);
float
roundf(float x);
long int
lround(double x);
long int
lroundf(float x);
long long int
llround(double x);
long long int
llroundf(float x);
DESCRIPTION
The round() and roundf() functions return the integral value nearest to x rounding half-way cases away from zero, regardless of the current
rounding direction.
The lround() , lroundf() , llround() and llroundf() functions return the integral value nearest to x (rounding half-way cases away from zero,
regardless of the current rounding direction) in the return formats specified. If the rounded value is outside the range of the return type,
the numeric result is unspecified and the "invalid" floating-point exception is raised. A range error may occur if the magnitude of x is too
large.
SPECIAL VALUES
round(+-0) returns +-0.
round(+-infinity) returns +-infinity.
The round() functions may, but are not required to, raise the "inexact" floating-point exception for non-integer numeric arguments.
The lround() and llround() functions need not raise the "inexact" floating-point exception for non-integer arguments that round to within the
range of the return type.
SEE ALSO
abs(3), fabs(3), ceil(3), floor(3), ieee(3), math(3), rint(3)
STANDARDS
The round() , roundf() , lround() , lroundf() , llround() , and llroundf() functions conform to ISO/IEC 9899:1999(E).
BSD
July 22, 2003 BSD