const Matrix /* or null */ *rawGBSyzygies(Computation *C)
/* Yields a matrix containing the syzygies computed so far
via the GB computation C, assuming that 'collect_syz' was
set when the computation was created. If 'n_rows_to_keep' was
set to a non-negative integer, then only that many rows of each
syzygy are kept. */
{
try {
clear_emit_size();
GBComputation *G = C->cast_to_GBComputation();
if (G != 0)
return G->get_syzygies();
ERROR("computation type unknown or not implemented");
return 0;
}
catch (exc::engine_error e) {
ERROR(e.what());
return NULL;
}
}
virtual const Matrix /* or null */ *get_syzygies() { return G->get_syzygies(); }