Check Failure - Expression

  • C2 r72 64bits; Intel Core i5-2500K 3.30 GHz (x4), 8 Go DDR3, NVIDIA GeForce GTX 560 Ti, Win 7 Pro

    Firefox 8.0.1; Chrome 15.0.874.121 m

    I tried to do a conditionnal expression.

    Event: System compare "OffsetX" equal "64?OffestX=0:OffsetX=64"

    (OffsetX is a local variable)

    Launched the preview

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    Construct 2 Check failure

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    Check failure! This is probably a bug:

    Calling IsConstant() before Evaluate()

    Condition: checked_constant

    File: Projects\ExpTree.cpp

    Line: 97

    Function: bool __cdecl ExpNode::IsConstant(void) const

    Build: release 72 (64-bit) checked

    Component: Construct 2 IDE

    (Last Win32 error: 0)

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    Abandonner   Recommencer   Ignorer   

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    Ignored 3 times, I was able to come back to C2.

    I guess it is not the right way of doing a conditionnal.

    Reporting for the sake of the check failure.

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  • Thanks for the report, fixed for next build.

    FYI the expression "64?OffsetX=0:OffsetX=64" reads as:

    1. Is 64 not equal to 0?

    2. If so, return 1 if OffsetX equals 0 else return 0.

    3. If not, return 1 if OffsetX equals 64, else return 0.

    This is nonsense and can be simply written "OffsetX=0". Still, the weird expression uncovered a bug which has been fixed, so it's fine I suppose :)

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