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nnf: let's try a different version of compatible frames wo/ copying

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This commit is contained in:
Nuno Lopes 2017-10-16 22:33:23 +01:00
parent 01f642a6f3
commit 4e92caa553
1 changed files with 4 additions and 14 deletions
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18
src/ast/normal_forms/nnf.cpp
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@ -207,8 +207,8 @@ struct nnf::imp {
unsigned m_new_child:1;
unsigned m_cache_result:1;
unsigned m_spos; // top of the result stack, when the frame was created.
frame(expr_ref & n, bool pol, bool in_q, bool cache_res, unsigned spos):
m_curr(n),
frame(expr_ref && n, bool pol, bool in_q, bool cache_res, unsigned spos):
m_curr(std::move(n)),
m_i(0),
m_pol(pol),
m_in_q(in_q),
@ -216,17 +216,8 @@ struct nnf::imp {
m_cache_result(cache_res),
m_spos(spos) {
}
frame(frame & other):
m_curr(other.m_curr),
m_i(other.m_i),
m_pol(other.m_pol),
m_in_q(other.m_in_q),
m_new_child(other.m_new_child),
m_cache_result(other.m_cache_result),
m_spos(other.m_spos) {
}
frame(frame && other):
m_curr(other.m_curr),
m_curr(std::move(other.m_curr)),
m_i(other.m_i),
m_pol(other.m_pol),
m_in_q(other.m_in_q),
@ -343,8 +334,7 @@ struct nnf::imp {
}
void push_frame(expr * t, bool pol, bool in_q, bool cache_res) {
expr_ref tt(t, m());
m_frame_stack.push_back(frame(tt, pol, in_q, cache_res, m_result_stack.size()));
m_frame_stack.push_back(frame(expr_ref(t, m()), pol, in_q, cache_res, m_result_stack.size()));
}
static unsigned get_cache_idx(bool pol, bool in_q) {