Re: [Emc-developers] The joy of auto-generated code.

[Robert S. <rm...@un...>]

Am Montag, dem 08.06.2026 um 11:25 +0100 schrieb andy pugh:
> In the day-job we auto-generate code from Simulink.
> Today it created this horror.
> I count 18 casts in a row at the beginning.
> 
> 
> * S-Function (sfix_bitop): '<S230>/BitwiseOperator1'
> */
> tmp_VectorConcatenate_atij[1] =
> (U8)((U32)((U32)((U32)((U32)((U32)((U32)((U32)((S32)(((FLAG)((S32)((S
> 32)(((FLAG)((S32)
> ((S32)(((FLAG)((S32)((S32)(tmp_Switch1_bhzg ? 1 : 0) |
> (S32)(tmp_Switch1_c2ot ? 1 : 0)) != 0)) ? 1 : 0) | (S32)
> (tmp_tmp_RelationalOperator2_idx_2 ? 1 : 0)) != 0)) ? 1 : 0) |
> (S32)(tmp_Switch1_dhzf ? 1 : 0)) != 0)) ? 1 : 0)) +
> (U32)((S32)((S32)(tmp_Switch1_bhzg ? 1 : 0) * 2))) +
> (U32)((S32)((S32)(tmp_Switch1_c2ot ? 1 : 0) * 4))) + (U32)((S32)
> ((S32)(tmp_tmp_RelationalOperator2_idx_2 ? 1 : 0) * 8))) +
> (U32)((S32)((S32)(tmp_Switch1_dhzf ? 1 : 0) * 16))) +
> (U32)((S32)((((U32)Var1 == Lv1) ? ((S32)1) : ((S32)0)) * 32))) +
> (U32)((S32)((((U32)
> Var1 == Lv2) ? ((S32)1) : ((S32)0)) * 64))));
> 

The international obfuscated C code contest announced the '25 winners a
few days ago, but you are probably not too late to submit it for the
'26 prize

-- 
Robert Schöftner <rm...@un...>