fieker-DuValspielwiese
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Last change
on this file since bceb63 was
739d9e,
checked in by Hans Schoenemann <hannes@…>, 9 years ago
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test for tr. #677
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-
Property mode set to
100644
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File size:
438 bytes
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| 1 | LIB "tst.lib"; |
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| 2 | tst_init(); |
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| 3 | |
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| 4 | LIB"primdec.lib"; |
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| 5 | ring r = (0,p), (w,x,y,z), dp; |
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| 6 | minpoly = p2-p-1; |
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| 7 | poly f = 4*(p2x2-y2)*(p2y2-z2)*(p2z2-x2)-(1+2p)*(x2+y2+z2-w2)^2*w2; |
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| 8 | ideal I = jacob(f); // ! |
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| 9 | list L = primdecGTZ(I); |
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| 10 | ideal J = 1; |
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| 11 | int i; |
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| 12 | for (i = size(L); i > 0; i--) { J = intersect(J, L[i][1]); }; |
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| 13 | size(reduce(I, std(J))); // now J should be the same ideal as I, so this should be zero |
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| 14 | size(reduce(J, std(I))); // dito |
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| 15 | |
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| 16 | tst_status(1);$ |
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