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Fix division by zero in logN function #280

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Fix division by zero in logN function #280

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8 changes: 7 additions & 1 deletion ...rals/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DControlBar.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,13 @@ void W3DRightHUDDraw( GameWindow *window, WinInstanceData *instData )

Real logN(Real value, Real logBase)
{
return (Real)log10(value)/ log10(logBase);
Real logBaseValue = (Real)log10(logBase);
// Prevent division by zero when logBase is 1 (log10(1) = 0)
if (logBaseValue == 0.0f)
{
return 0.0f;
}
return (Real)log10(value) / logBaseValue;
}

//-------------------------------------------------------------------------------------------------
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8 changes: 7 additions & 1 deletion ...lsMD/Code/GameEngineDevice/Source/W3DDevice/GameClient/GUI/GUICallbacks/W3DControlBar.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,13 @@ void W3DRightHUDDraw( GameWindow *window, WinInstanceData *instData )

Real logN(Real value, Real logBase)
{
return (Real)log10(value)/ log10(logBase);
Real logBaseValue = (Real)log10(logBase);
// Prevent division by zero when logBase is 1 (log10(1) = 0)
if (logBaseValue == 0.0f)
{
return 0.0f;
}
return (Real)log10(value) / logBaseValue;
}

//-------------------------------------------------------------------------------------------------
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