spielwiese
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Last change
on this file since c41230 was
c41230,
checked in by Wilfred Pohl <pohl@…>, 26 years ago
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only for Metrowerks
git-svn-id: file:///usr/local/Singular/svn/trunk@1369 2c84dea3-7e68-4137-9b89-c4e89433aadc
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-
Property mode set to
100644
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File size:
714 bytes
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| 1 | #ifdef __MWERKS__ |
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| 2 | |
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| 3 | #include "imm.h" |
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| 4 | #include <stuff_64.h> |
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| 5 | |
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| 6 | InternalCF * imm_mul (InternalCF * lhs, InternalCF * rhs ) |
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| 7 | { |
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| 8 | int li = imm2int( lhs ), ri = imm2int( rhs ); |
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| 9 | Int_64 pr; |
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| 10 | |
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| 11 | if (li<0) |
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| 12 | { |
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| 13 | if (ri<0) |
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| 14 | mul_64(&pr, -li, -ri); |
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| 15 | else |
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| 16 | mul_64(&pr, -li, ri); |
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| 17 | } |
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| 18 | else |
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| 19 | { |
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| 20 | if (ri<0) |
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| 21 | mul_64(&pr, li, -ri); |
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| 22 | else |
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| 23 | mul_64(&pr, li, ri); |
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| 24 | } |
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| 25 | if (pr.hi || (pr.lo>MAXIMMEDIATE)) |
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| 26 | { |
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| 27 | InternalCF * res = CFFactory::basic( IntegerDomain, li, true ); |
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| 28 | return res->mulcoeff( rhs ); |
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| 29 | } |
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| 30 | else |
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| 31 | { |
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| 32 | int res = pr.lo; |
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| 33 | if ((li>0) == (ri>0)) |
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| 34 | return int2imm(res); |
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| 35 | else |
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| 36 | return int2imm(-res); |
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| 37 | } |
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| 38 | } |
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| 39 | |
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| 40 | #endif |
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