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fix #2590

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-09-27 08:36:10 -07:00
parent f29b033253
commit 292e72ce0c
3 changed files with 18 additions and 7 deletions
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14
src/ast/rewriter/poly_rewriter_def.h
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@ -289,6 +289,18 @@ br_status poly_rewriter<Config>::mk_nflat_mul_core(unsigned num_args, expr * con
}
}
if (num_coeffs > 1 || (num_coeffs == 1 && !is_numeral(args[0]))) {
ptr_buffer<expr> m_args;
for (unsigned i = 0; i < num_args; i ++) {
if (!is_numeral(args[i])) {
m_args.push_back(args[i]);
}
}
result = mk_mul_app(c, mk_mul_app(m_args.size(), m_args.c_ptr()));
return BR_REWRITE2;
}
SASSERT(num_coeffs <= num_args - 2);
if (!m_som || num_add == 0) {
@ -363,7 +375,7 @@ br_status poly_rewriter<Config>::mk_nflat_mul_core(unsigned num_args, expr * con
for (unsigned i = 0; i < num_args; i++) {
expr * const * v = sums[i];
expr * arg = v[it[i]];
m_args.push_back(arg);
m_args.push_back(arg);
}
sum.push_back(mk_mul_app(m_args.size(), m_args.c_ptr()));
}