Abs

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Author: Lloigor (talk, contrib)


A very simple macro to get an integer's absolute value. 

!define Abs "!insertmacro _Abs"
!macro _Abs _RetVal_ _Value_
   IntOp ${_RetVal_} ${_Value_} & 0x7FFFFFFFFFFFFFFF
!macroend

Usage:

StrCpy $0 -40
${ABS} $0 $0  ; $0 = 40
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