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test case for match_zero

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This commit is contained in:
Jakob Rath 2022-01-24 14:28:32 +01:00
parent 1cb7ca8dfc
commit 7d3308b00e
1 changed files with 13 additions and 0 deletions
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13
src/test/polysat.cpp
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@ -1069,6 +1069,18 @@ public:
}
}
static void test_fi_zero() {
scoped_solver s(__func__);
auto a = s.var(s.add_var(256));
auto b = s.var(s.add_var(256));
auto c = s.var(s.add_var(256));
s.add_eq(a, 0);
s.add_eq(c, 0); // add c to prevent simplification by leading coefficient
s.add_eq(4*a - 123456789*b + c);
s.check();
s.expect_sat({{a, 0}, {b, 0}});
}
static void test_fi_nonzero() {
scoped_solver s(__func__);
auto a = s.var(s.add_var(5));
@ -1337,6 +1349,7 @@ public:
void tst_polysat() {
using namespace polysat;
test_polysat::test_fi_zero();
test_polysat::test_fi_nonzero();
test_polysat::test_fi_nonmax();
return;