spielwiese
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Last change
on this file since bf8015 was
891438c,
checked in by Gerhard Pfister <pfister@…>, 23 years ago
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*GP: initial release
git-svn-id: file:///usr/local/Singular/svn/trunk@5579 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
367 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 | |
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| 5 | proc isReg(ideal f, module N) |
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| 6 | { |
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| 7 | int n=nrows(N); |
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| 8 | int i; |
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| 9 | while(i<size(f)) |
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| 10 | { |
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| 11 | i++; |
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| 12 | N=std(N); |
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| 13 | if(size(reduce(quotient(N,f[i]),N))!=0){return(0);} |
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| 14 | N=N+f[i]*freemodule(n); |
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| 15 | } |
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| 16 | return(1); |
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| 17 | } |
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| 18 | |
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| 19 | ring R=0,(x,y,z),dp; |
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| 20 | ideal f=x*(y-1),y,z*(y-1); |
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| 21 | module N=0; |
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| 22 | isReg(f,N); |
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| 23 | |
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| 24 | f=x*(y-1),z*(y-1),y; |
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| 25 | isReg(f,N); |
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| 26 | |
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| 27 | |
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| 28 | tst_status(1);$ |
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