Native dyadic Rank modifier implementation, except empty frames
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@ -273,7 +273,7 @@ B rank_c1(Md2D* d, B x) { B f = d->f; B g = d->g;
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return bqn_merge(HARR_O(r).b);
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}
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extern B rt_rank;
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B rank_c2(Md2D* d, B w, B x) { B f = d->f; B g = d->g; // TODO
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B rank_c2(Md2D* d, B w, B x) { B f = d->f; B g = d->g;
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f64 wf, xf;
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bool gf = isFun(g);
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if (RARE(gf)) g = c2(g, inc(w), inc(x));
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@ -289,16 +289,18 @@ B rank_c2(Md2D* d, B w, B x) { B f = d->f; B g = d->g; // TODO
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ur wr = isAtm(w) ? 0 : rnk(w); ur wc = cell_rank(wr, wf);
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ur xr = isAtm(x) ? 0 : rnk(x); ur xc = cell_rank(xr, xf);
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B r;
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if (wr == wc) {
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if (gf) dec(g);
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if (xr == xc) {
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B r = c2(f, w, x);
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if (gf) dec(g);
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r = c2(f, w, x);
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return isAtm(r)? m_atomUnit(r) : r;
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} else {
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i32 k = xr - xc;
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usz* xsh = a(x)->sh;
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usz cam = 1; for (usz i = 0; i < k; i++) cam*= xsh[i];
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usz csz = 1; for (usz i = k; i < xr; i++) csz*= xsh[i];
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if (cam == 0) { return m2c2(rt_rank, f, g, w, x); } // TODO
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ShArr* csh;
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if (xc>1) { csh=m_shArr(xc); shcpy(csh->a, xsh+k, xc); }
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@ -315,15 +317,14 @@ B rank_c2(Md2D* d, B w, B x) { B f = d->f; B g = d->g; // TODO
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usz* rsh = HARR_FA(r, k);
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if (k>1) shcpy(rsh, xsh, k);
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dec(w); decG(x);
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return bqn_merge(HARR_O(r).b);
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dec(w); decG(x); r = HARR_O(r).b;
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}
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} else if (xr == xc) {
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if (gf) dec(g);
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i32 k = wr - wc;
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usz* wsh = a(w)->sh;
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usz cam = 1; for (usz i = 0; i < k; i++) cam*= wsh[i];
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usz csz = 1; for (usz i = k; i < wr; i++) csz*= wsh[i];
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if (cam == 0) { return m2c2(rt_rank, f, g, w, x); } // TODO
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ShArr* csh;
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if (wc>1) { csh=m_shArr(wc); shcpy(csh->a, wsh+k, wc); }
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@ -340,11 +341,65 @@ B rank_c2(Md2D* d, B w, B x) { B f = d->f; B g = d->g; // TODO
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usz* rsh = HARR_FA(r, k);
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if (k>1) shcpy(rsh, wsh, k);
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decG(w); dec(x);
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return bqn_merge(HARR_O(r).b);
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decG(w); dec(x); r = HARR_O(r).b;
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} else {
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return m2c2(rt_rank, f, g, w, x);
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i32 wk = wr - wc; usz* wsh = a(w)->sh;
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i32 xk = xr - xc; usz* xsh = a(x)->sh;
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i32 k=wk, zk=xk; if (k>zk) { i32 t=k; k=zk; zk=t; }
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usz* zsh = wk>xk? wsh : xsh;
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usz cam = 1; for (usz i = 0; i < k; i++) {
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usz wl = wsh[i], xl = xsh[i];
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if (wl != xl) thrF("⎉: Argument frames don't agree (%H ≡ ≢𝕨, %H ≡ ≢𝕩, common frame of %s axes)", w, x, k);
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cam*= wsh[i];
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}
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usz ext = 1; for (usz i = k; i < zk; i++) ext*= zsh[i];
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usz wsz = 1; for (usz i = wk; i < wr; i++) wsz*= wsh[i];
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usz xsz = 1; for (usz i = xk; i < xr; i++) xsz*= xsh[i];
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cam *= ext;
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if (cam == 0) { return m2c2(rt_rank, f, g, w, x); } // TODO
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ShArr* wcs; if (wc>1) { wcs=m_shArr(wc); shcpy(wcs->a, wsh+wk, wc); }
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ShArr* xcs; if (xc>1) { xcs=m_shArr(xc); shcpy(xcs->a, xsh+xk, xc); }
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BSS2A wslice = TI(w,slice);
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BSS2A xslice = TI(x,slice);
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M_HARR(r, cam);
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usz wp = 0, xp = 0;
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#define CELL(wx) \
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Arr* wx##s = wx##slice(inc(wx), wx##p, wx##sz); \
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arr_shSetI(wx##s, wx##c, wx##cs); \
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wx##p+= wx##sz
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#define F(W,X) HARR_ADD(r, i, c2(f, W, X))
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if (ext == 1) {
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for (usz i = 0; i < cam; i++) {
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CELL(w); CELL(x); F(taga(ws), taga(xs));
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}
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} else if (wk < xk) {
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for (usz i = 0; i < cam; ) {
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CELL(w); B wb=taga(ws);
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for (usz e = i+ext; i < e; i++) { CELL(x); F(inc(wb), taga(xs)); }
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dec(wb);
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}
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} else {
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for (usz i = 0; i < cam; ) {
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CELL(x); B xb=taga(xs);
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for (usz e = i+ext; i < e; i++) { CELL(w); F(taga(ws), inc(xb)); }
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dec(xb);
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}
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}
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#undef CELL
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#undef F
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if (wc>1) ptr_dec(wcs);
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if (xc>1) ptr_dec(xcs);
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usz* rsh = HARR_FA(r, zk);
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if (zk>1) shcpy(rsh, zsh, zk);
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decG(w); decG(x); r = HARR_O(r).b;
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}
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if (gf) dec(g);
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return bqn_merge(r);
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}
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