TheDcoder

What is the largest possible number in AutoIt?

14 posts in this topic

So yeah, what's the largest possible number which can be stored in a variable as an integer?? I don't see it in the helpfile :unsure:.


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So yeah, what's the largest possible number which can be stored in a variable as an integer?? I don't see it in the helpfile :unsure:.


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-2^63 largest négative, 2^63-1 largest positive.


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!
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Are you sure that its the same for both 32 bit and 64 bit AutoIt @jchd?


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What did you try that led you to suspect otherwise?


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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I know that it differs in C...


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Also, this works for me:

MsgBox(0,0,2^63) ; Note that I added 1 to the maximim possible number.

 


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If I hurt you, Please accept my apologies, I never (regardless of the situation) mean to hurt anybody!!!

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Or you can have a nice chat with me in freenode, I use the same nick on freenode too!

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You can perform arithmetic on 64-bit integers in C inside a X86 process.

Now:

$n = 9223372036854775800
For $i = 1 To 12
    ConsoleWrite($n & " is a " & VarGetType($n) & @LF)
    $n +=  1
Next

 


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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Also:

ConsoleWrite(VarGetType(2^63) & @LF)

 


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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#10 ·  Posted (edited)

6 minutes ago, jchd said:

Now:

$n = 9223372036854775800
For $i = 1 To 12
    ConsoleWrite($n & " is a " & VarGetType($n) & @LF)
    $n +=  1
Next

 

My Output:

9223372036854775800 is a Int64
9223372036854775801 is a Int64
9223372036854775802 is a Int64
9223372036854775803 is a Int64
9223372036854775804 is a Int64
9223372036854775805 is a Int64
9223372036854775806 is a Int64
9223372036854775807 is a Int64
-9223372036854775808 is a Int64
-9223372036854775807 is a Int64
-9223372036854775806 is a Int64
-9223372036854775805 is a Int64

 

4 minutes ago, jchd said:

Also:

ConsoleWrite(VarGetType(2^63) & @LF)

 

Double

 

Edited by TheDcoder

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If I hurt you, Please accept my apologies, I never (regardless of the situation) mean to hurt anybody!!!

Also, I am very busy with my project so I will appear in the last row of the online list, if you want to contact me: Email@TheDcoder.xyz

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$iInt32 = 2147483647 ; 2^31 - 1. Highest Int32
$iInt64 = $iInt32 + 1 ; lowest 64 Int
ConsoleWrite(VarGetType($iInt32) & @CRLF)
ConsoleWrite(VarGetType($iInt64) & @CRLF)
$iInt64 = 9223372036854775807 ; 2^63 - 1. Highest Int64
ConsoleWrite(VarGetType($iInt64) & @CRLF)

as described here: https://www.autoitscript.com/autoit3/docs/intro/lang_datatypes.htm


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Obviously!

You really should google about 2's complement arithmetics. Also X64 is (merely) X86 with an address space on steroids (well, from AutoIt simple users point of view).


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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$iInt32 = 2147483647 ; 2^31 - 1. Highest Int32
$iInt64 = $iInt32 + 1 ; lowest 64 Int
ConsoleWrite(VarGetType($iInt32) & @CRLF)
ConsoleWrite(VarGetType($iInt64) & @CRLF)
$iInt64 = 9223372036854775807 ; 2^63 - 1. Highest Int64
ConsoleWrite(VarGetType($iInt64) & @CRLF)

 


My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2016-08-18 - Version 1.4.6.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX (2016-05-09 - Version 1.2.0.0) - Download - General Help & Support - Example Scripts - Wiki
ExcelChart (2015-04-01 - Version 0.4.0.0) - Download - General Help & Support - Example Scripts
Excel - Example Scripts - Wiki
Word - Wiki
Tutorials:
ADO - Wiki

 

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Finally, note that 2^63 being a double isn't an exceptional case:

ConsoleWrite(VarGetType(2^48) & @LF)
ConsoleWrite(VarGetType(2^49) & @LF)

 


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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