Magic Trick Floating Point Bug

hey kid, wanna see a magic trick Event function void Awake() { float x = 0.4f; float y = 0.6f; float v = x + y; Debug.Log(message: (v == 1) + " in " + CompilationPipeline.codeOptimization); } [15:22:55] True in Debug [15:23:10] False in Release

A programming screenshot presents a Unity Awake function where 0.4f + 0.6f appears equal to 1 in Debug but false in Release. The joke is about floating-point precision and compiler optimization making seemingly identical calculations behave differently, so it is sent as a humorous reaction to mysterious bugs that only happen in production. EN: A programming screenshot presents a Unity Awake function where 0.4f + 0.6f appears equal to 1 in Debug but false in Release. The joke is about floating-point precision and compiler optimization making seemingly identical calculations behave differently, so it is sent as a humorous reaction to mysterious bugs that only happen in production.

• @gentoomemes / 7734 2023-11-30