Shape logic for Join of any list
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@ -883,36 +883,61 @@ B join_c1(B t, B x) {
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B x0 = GetU(x,0);
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B rf; if(SFNS_FILLS) rf = getFillQ(x0);
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if (isAtm(x0)) goto base; // thrM("∾: Rank of items must be equal or greater than rank of argument");
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usz ir = rnk(x0);
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usz* x0sh = a(x0)->sh;
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if (ir==0) goto base; // thrM("∾: Rank of items must be equal or greater than rank of argument");
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usz csz = arr_csz(x0);
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usz cam = x0sh[0];
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ur r0 = isAtm(x0) ? 0 : rnk(x0); // Minimum element rank seen
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ur r1 = r0; // Maximum
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ur rr = r0; // Result rank, or minimum possible so far
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usz* esh = NULL;
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usz cam = 1; // Result length
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if (r0) {
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esh = a(x0)->sh;
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cam = esh[0];
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} else {
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rr++;
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}
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for (usz i = 1; i < xia; i++) {
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B c = GetU(x, i);
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if (!isArr(c) || rnk(c)!=ir) goto base; // thrF("∾: All items in argument should have same rank (contained items with ranks %i and %i)", ir, isArr(c)? rnk(c) : 0);
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usz* csh = a(c)->sh;
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if (ir>1) for (usz j = 1; j < ir; j++) if (csh[j]!=x0sh[j]) thrF("∾: Item trailing shapes must be equal (contained arrays with shapes %H and %H)", x0, c);
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cam+= a(c)->sh[0];
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ur cr = isAtm(c) ? 0 : rnk(c);
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if (cr == 0) {
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if (r1 > 1) thrF("∾: Item ranks in a list can differ by at most one (contained ranks %i and %i)", r0, r1);
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r0=0; cam++;
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} else {
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usz* csh = a(c)->sh;
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if (cr != r0) {
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if (cr > r1) r1 = cr; else r0 = cr;
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if (r1-r0 > 2) thrF("∾: Item ranks in a list can differ by at most one (contained ranks %i and %i)", r0, r1);
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}
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if (cr < rr) {
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csh--; cam++;
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} else {
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if (cr>rr) { // Previous elements were cells
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if (cam != i*esh[0]) thrM("∾: Item trailing shapes must be equal");
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esh--; rr++; cam = i;
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}
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cam+= csh[0];
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}
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for (usz j = 1; j < cr; j++) if (csh[j]!=esh[j]) thrF("∾: Item trailing shapes must be equal (contained arrays with shapes %H and %H)", x0, c);
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}
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if (SFNS_FILLS && !noFill(rf)) rf = fill_or(rf, getFillQ(c));
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}
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if (r1==0) thrM("∾: Some item rank must be equal or greater than rank of argument");
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usz csz = shProd(esh, 1, rr);
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MAKE_MUT(r, cam*csz);
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usz ri = 0;
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for (usz i = 0; i < xia; i++) {
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B c = GetU(x, i);
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if (isAtm(c)) goto base;
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usz cia = a(c)->ia;
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mut_copy(r, ri, c, 0, cia);
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ri+= cia;
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}
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assert(ri==cam*csz);
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Arr* ra = mut_fp(r);
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usz* sh = arr_shAlloc(ra, ir);
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usz* sh = arr_shAlloc(ra, rr);
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if (sh) {
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sh[0] = cam;
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shcpy(sh+1, x0sh+1, ir-1);
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shcpy(sh+1, esh+1, rr-1);
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}
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decG(x);
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return SFNS_FILLS? qWithFill(taga(ra), rf) : taga(ra);
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