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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| diff --git a/ginac/mul.cpp b/ginac/mul.cpp | ||
| index 1a29c01..c800cbf 100644 | ||
| --- a/ginac/mul.cpp | ||
| +++ b/ginac/mul.cpp | ||
| @@ -1325,18 +1325,22 @@ ex mul::expand(unsigned options) const | ||
| const auto& add2end = add2.seq.end(); | ||
| epvector distrseq; | ||
| auto s = add1.seq.size()+add2.seq.size(); | ||
| - if (s > 400) { | ||
| -// // the condition is probably too simple | ||
| - try { | ||
| - // can it be converted/expanded via Singular? | ||
| - last_expanded = poly_mul_expand(last_expanded, | ||
| - elem.rest); | ||
| - continue; | ||
| - } | ||
| - catch (std::runtime_error) { | ||
| - std::cerr << "can't happen while calling poly_mul_expand\n"; | ||
| - } | ||
| - } | ||
| +// // the poly_mul_expand function is buggy and | ||
| +// // therefore cannot be used (see sage :trac:`31478`), | ||
| +// // so we comment out this section of code until the | ||
| +// // function has been fixed | ||
| +// if (s > 400) { | ||
| +//// // the condition is probably too simple | ||
| +// try { | ||
| +// // can it be converted/expanded via Singular? | ||
| +// last_expanded = poly_mul_expand(last_expanded, | ||
| +// elem.rest); | ||
| +// continue; | ||
| +// } | ||
| +// catch (std::runtime_error) { | ||
| +// std::cerr << "can't happen while calling poly_mul_expand\n"; | ||
| +// } | ||
| +// } | ||
|
|
||
| distrseq.reserve(s); | ||
| // Multiply add2 with the overall coefficient of add1 and append it to distrseq: |