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Round() Question


Go to solution Solved by Bowmore,

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Round then StringFormat() will do. But it is an uncommon operation to "adjust" values this way.

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RegExp tutorial: enough to get started
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This could very well be incorrect

$a = number("12.3456789")
$b = number("12.3499999")

MsgBox(0,"", stringformat('%.5f' , round($a , 5)))
MsgBox(0,"", stringformat('%.5f' , round($b , 5)))

,-. .--. ________ .-. .-. ,---. ,-. .-. .-. .-.
|(| / /\ \ |\ /| |__ __||| | | || .-' | |/ / \ \_/ )/
(_) / /__\ \ |(\ / | )| | | `-' | | `-. | | / __ \ (_)
| | | __ | (_)\/ | (_) | | .-. | | .-' | | \ |__| ) (
| | | | |)| | \ / | | | | | |)| | `--. | |) \ | |
`-' |_| (_) | |\/| | `-' /( (_)/( __.' |((_)-' /(_|
'-' '-' (__) (__) (_) (__)

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  • Solution

@Bothouse

What you posted works OK but there is no need to use Round() at all as specifying the number of decimal plcace in StringFormat() causes StringFormat to do the rounding for you.

$a = "12.3456789"
$b = "12.3499999"

;5 decimal places with trailing 0s
MsgBox(0,"",StringFormat("%.5f",$a))
MsgBox(0,"",StringFormat("%.5f",$b))

$a = "12.3456789"
$b = "123.3499999"
;5 decimal places with trailing 0s and 5 digits before the decimal point with leading 0
MsgBox(0,"",StringFormat("%011.5f",$a))
MsgBox(0,"",StringFormat("%011.5f",$b))
 

"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the universe trying to build bigger and better idiots. So far, the universe is winning."- Rick Cook

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Sorry, I misread the value. So no Round is superfluous.

This wonderful site allows debugging and testing regular expressions (many flavors available). An absolute must have in your bookmarks.
Another excellent RegExp tutorial. Don't forget downloading your copy of up-to-date pcretest.exe and pcregrep.exe here
RegExp tutorial: enough to get started
PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta.

SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try.
SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager.
An excellent eBook covering almost every aspect of SQLite3: a must-read for anyone doing serious work.
SQL tutorial (covers "generic" SQL, but most of it applies to SQLite as well)
A work-in-progress SQLite3 tutorial. Don't miss other LxyzTHW pages!
SQLite official website with full documentation (may be newer than the SQLite library that comes standard with AutoIt)

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