12-04-2008
Rouding off an integer
HI
I want to round off an integer to the next multiple of 10 in shell script.
(i.e.,) 91 should be rounded off to 100
and 90 should be rounded off to 90
It would be very helpful, if you can help me in this.
Thanks in advance
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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);
DESCRIPTION
These functions round their argument to the nearest integer value, using the current rounding direction. If x is infinite or NaN, or if
the rounded value is outside the range of the return type, the numeric result is unspecified. A domain error may occur if the magnitude of
x is too large.
RETURN VALUE
The rounded integer value.
ERRORS
EDOM The magnitude of x is too large and (math_errhandling & MATH_ERRNO) is non-zero.
CONFORMING TO
C99.
SEE ALSO
ceil(3), floor(3), lround(3), nearbyint(3), rint(3), round(3)
2001-05-31 LRINT(3)