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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,
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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
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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:
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__END__
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1.5 -> 2
2.5 -> 2
3.5 -> 4
4.5 -> 4
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Dear Experts,
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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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LEARN ABOUT HPUX
roundl
round(3M) round(3M) NAME
round(), roundf(), roundl(), roundw(), roundq() - round functions SYNOPSIS
HP Integrity Server Only DESCRIPTION
The function rounds its argument to the nearest integral value in floating-point format. An argument exactly halfway between two integers is rounded away from zero, regardless of the current rounding direction. Rounding away from zero also applies to the functions, and Integrity Server Only is a version of it takes a argument and returns a result. is a version of it takes a argument and returns a result. is an version of it takes an argument and returns an result. is equivalent to on HP-UX systems. USAGE
To use these functions, compile either with the default option or with the and options. To use (for Integrity servers) or compile also with the option. To use these functions, make sure your program includes Link in the math library by specifying on the compiler or linker command line. For more information, see the at the following site: RETURN VALUE
If x is returns x. If x is NaN, returns NaN. may raise the inexact exception if x is non integral and finite. ERRORS
No errors are defined. SEE ALSO
ceil(3M), floor(3M), fabs(3M), fmod(3M), fegetround(3M), fesetround(3M), lrint(3M), llrint(3M), lround(3M), llround(3M), rint(3M), trunc(3M), math(5), fenv(5). STANDARDS CONFORMANCE
: ISO/IEC C99 (including Annex F, ``IEC 60559 floating-point arithmetic'') round(3M)