fix bug in colorSimplifyGeneric - #369
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eriks245
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Sep 3, 2026
| (* f_2^bcad f^ace = - N/2 f^bde *) | ||
| colorSimplifyGeneric[rest_. sunf2[b_, a_SUNIndex, c_SUNIndex, d_] sunf[r1___,a_SUNIndex,r2___,c_SUNIndex,r3___]] := | ||
| (* f_2^bcad f^ace = N/2 f^bde *) | ||
| colorSimplifyGeneric[rest_. sunf2[b_, c_SUNIndex, a_SUNIndex, d_] sunf[r1___,a_SUNIndex,r2___,c_SUNIndex,r3___]] := |
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This is the actual bug fix. Looks like a copy paste error from the case above. All other changes are just to sync the comment with the actual rule
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Looks good. Can you please also add a couple of unit tests to
https://github.com/FeynCalc/feyncalc/blob/master/Tests/SUN/SUNSimplify.test
that cover this case?
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This should fix a wrong replacement rule in colorSimplifyGeneric and resolve the bug described in #368