fast 𝔽´⟨x⟩ & 𝔽´⟨x,y⟩
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@ -146,13 +146,25 @@ static f64 (*const max_fns[])(void*, usz) = { max_i8, max_i16, max_i32, max_f64
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B fold_c1(Md1D* d, B x) { B f = d->f;
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if (isAtm(x) || RNK(x)!=1) thrF("´: Argument must be a list (%H ≡ ≢𝕩)", x);
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usz ia = IA(x);
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if (ia==0) {
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decG(x);
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if (isFun(f)) {
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B r = TI(f,identity)(f);
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if (!q_N(r)) return inc(r);
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if (ia<=2) {
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if (ia==2) {
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SGet(x)
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B x0 = Get(x,0);
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B x1 = Get(x,1);
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decG(x);
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return c2(f, x0, x1);
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} else if (ia==1) {
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B r = IGet(x,0);
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decG(x);
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return r;
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} else {
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decG(x);
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if (isFun(f)) {
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B r = TI(f,identity)(f);
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if (!q_N(r)) return inc(r);
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}
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thrM("´: No identity found");
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}
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thrM("´: No identity found");
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}
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u8 xe = TI(x,elType);
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if (isFun(f) && v(f)->flags) {
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