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pdd fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-17 21:25:18 -08:00
parent f2149fb5a6
commit a744a465e6
3 changed files with 117 additions and 37 deletions
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31
src/test/pdd.cpp
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@ -2,7 +2,7 @@
namespace dd {
static void test1() {
pdd_manager m(20);
pdd_manager m(3);
pdd v0 = m.mk_var(0);
pdd v1 = m.mk_var(1);
pdd v2 = m.mk_var(2);
@ -18,6 +18,35 @@ namespace dd {
c2 = v2 + v1 + v0;
std::cout << c1 << "\n";
SASSERT(c1 == c2);
c1 = (v0+v1) * v2;
c2 = (v0*v2) + (v1*v2);
std::cout << c1 << "\n";
SASSERT(c1 == c2);
c1 = (c1 + 3) + 1;
c2 = (c2 + 1) + 3;
std::cout << c1 << "\n";
SASSERT(c1 == c2);
c1 = v0 - v1;
c2 = v1 - v0;
std::cout << c1 << " " << c2 << "\n";
c1 = v1*v2;
c2 = (v0*v2) + (v2*v2);
pdd c3 = m.zero();
VERIFY(m.try_spoly(c1, c2, c3));
std::cout << c1 << " " << c2 << " spoly: " << c3 << "\n";
c1 = v1*v2;
c2 = (v0*v2) + (v1*v1);
VERIFY(m.try_spoly(c1, c2, c3));
std::cout << c1 << " " << c2 << " spoly: " << c3 << "\n";
c1 = (v0*v1) - (v0*v0);
c2 = (v0*v1*(v2 + v0)) + v2;
c3 = c2.reduce(c1);
std::cout << c1 << " " << c2 << " reduce: " << c3 << "\n";
}
}