| 1 | //declare different rings and show them |
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| 2 | ring r0; |
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| 3 | r0; |
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| 4 | ring r1=0,(x,y,z),ds; |
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| 5 | r1; |
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| 6 | ring r2=0,(x,y,z),wp(1,2,3); |
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| 7 | r2; |
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| 8 | ring r3=32003,(x,y,z),(a(1,2,3),ws(4,5,6)); |
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| 9 | r3; |
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| 10 | ring r4=32003,(x,y,z),(a(1,2),ws(4,5,6)); |
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| 11 | r4; |
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| 12 | ring r=32003,(x,y,z),(c,dp); |
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| 13 | poly f=x+z; |
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| 14 | f; |
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| 15 | f+1; |
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| 16 | f=f+1; |
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| 17 | f; |
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| 18 | // |
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| 19 | // declare a couple of rings with different characteristics |
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| 20 | // |
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| 21 | proc ringbundle |
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| 22 | { |
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| 23 | // parameters are different characteristics |
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| 24 | if (size(#) == 0) |
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| 25 | { |
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| 26 | "usage:ringbundle(char1, char2, ...)"; |
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| 27 | return (); |
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| 28 | } |
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| 29 | string @ex; |
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| 30 | for (int @i=1; @i<=size(#); @i=@i+1) |
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| 31 | { |
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| 32 | @ex = "ring rb(" , string(@i) + ") = " + string(#[@i]) + ",(x, y, z),lp;"; |
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| 33 | execute(@ex); |
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| 34 | @ex = "export rb(" , string(@i) + ");"; |
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| 35 | execute(@ex); |
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| 36 | } |
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| 37 | } |
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| 38 | ringbundle(); // ask for help |
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| 39 | ringbundle(3,5,7,11); // create rb(1) with characteristic 3, etc |
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| 40 | listvar(all); |
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| 41 | rb(4); |
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| 42 | LIB "tst.lib";tst_status(1);$; |
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