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UNIX for Dummies Questions & Answers
Rounding up to nearest whole number
Post 302596681 by Scrutinizer on Wednesday 8th of February 2012 03:05:24 AM
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Hello,
I searched a lot on this Forum.
Please help me with the below problem.
I want to divide two numbers and the result should be the next nearest whole number.
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Hi,
I'm trying to find the nearest match between two columns of numbers, e.g.
1,1
10,8
30,50
20,100
and the search could be e.g. 20,20
returning 10,8 - i.e. 20-10 = 10 and 20-8 = 12 totalling 22, and hence being the nearest match.
any ideas?
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It seems that perl sprintf uses the round-to-even method:
foreach my $i ( 0.5, 1.5, 2.5, 3.5 ) {
printf "$i -> %.0f\n", $i;
}
__END__
0.5 -> 0
1.5 -> 2
2.5 -> 2
3.5 -> 4
4.5 -> 4
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Dear Experts,
I'm trying to find a way to round a number but in this way:
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I used the following to round the number to the closer integer:
echo $var|awk '{print int($1+0.5)}'
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xargs printf "%1.0f"
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Hello,
I have a file with below content - Example
3
6
69
139
210
345
395
418
490
492
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69
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LEARN ABOUT SUNOS
roundl
round(3M) Mathematical Library Functions round(3M) NAME
round, roundf, roundl - round to nearest integer value in floating-point format SYNOPSIS
cc [ flag... ] file... -lm [ library... ] #include <math.h> double round(double x); float roundf(float x); long double roundl(long double x); DESCRIPTION
These functions round their argument to the nearest integer value in floating-point format, rounding halfway cases away from 0, regardless of the current rounding direction. RETURN VALUES
Upon successful completion, these functions return the rounded integer value. If x is NaN, a NaN is returned. If x is +-0 or +- Inf, x is returned. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
feclearexcept(3M), fetestexcept(3M), math.h(3HEAD), attributes(5), standards(5) SunOS 5.10 1 Nov 2003 round(3M)