Hi Alexei, I don't quite understand this patch (at least not in connection to its description). Yes, it improves the allocation, and then it does something that looks as if someone prefers to program in Python ... Is this the intent and the message is just wrong? Regards, Jens Alexei Sheplyakov schrieb:

--- ginac/ncmul.cpp | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/ginac/ncmul.cpp b/ginac/ncmul.cpp index 0c22a81..fff307d 100644 --- a/ginac/ncmul.cpp +++ b/ginac/ncmul.cpp @@ -339,15 +339,15 @@ ex ncmul::eval(int level) const if (assocseq.empty()) return _ex1;

// determine return types - unsignedvector rettypes; - rettypes.reserve(assocseq.size()); + unsignedvector rettypes(assocseq.size()); size_t i = 0; size_t count_commutative=0; size_t count_noncommutative=0; size_t count_noncommutative_composite=0; cit = assocseq.begin(); citend = assocseq.end(); while (cit != citend) { - switch (rettypes[i] = cit->return_type()) { + rettypes[i] = cit->return_type(); + switch (rettypes[i]) { case return_types::commutative: count_commutative++; break;