Module: ppl/ppl Branch: floating_point Commit: da7ab569f2f20006a259ce370cb18d180367a046 URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=da7ab569f2f20...

Author: Roberto Amadini r.amadini@virgilio.it Date: Thu Sep 17 16:02:17 2009 +0200

Added two tests. Particular cases totally covered.

---

tests/Floating_Point_Expression/refinelf1.cc | 79 ++++++++++++++++++++++++++ 1 files changed, 79 insertions(+), 0 deletions(-)

diff --git a/tests/Floating_Point_Expression/refinelf1.cc b/tests/Floating_Point_Expression/refinelf1.cc index a0c2f29..5ed3111 100644 --- a/tests/Floating_Point_Expression/refinelf1.cc +++ b/tests/Floating_Point_Expression/refinelf1.cc @@ -219,6 +219,83 @@ test05() {

}

+// tests [1, 4] - A <= [-2, -2] + B and [-2, -2] + B <= [1, 4] - A +bool +test06() { + Variable A(0); + Variable B(1); + + Octagonal_Shape<double> oc1(3); + oc1.add_constraint(A <= 2); + oc1.add_constraint(A - B <= 3); + oc1.add_constraint(B <= 2); + db_r_oc tmp(-2); + Linear_Form<db_r_oc> l2(B); + l2 += tmp; + Linear_Form<db_r_oc> l1(-A); + tmp.lower() = 1; + tmp.upper() = 4; + l1 += tmp; + oc1.refine_with_linear_form_inequality(l1, l2); + print_constraints(oc1, "*** [1, 4] - A <= [-2, -2] + B ***"); + + Octagonal_Shape<double> known_result(oc1); + known_result.add_constraint(-B - A <= -3); + print_constraints(known_result, "*** known_result ***"); + + bool ok1 = (oc1 == known_result); + + oc1.refine_with_linear_form_inequality(l2, l1); + print_constraints(oc1, "*** [4, 4] - B <= [1, 3] + A ***"); + + known_result.add_constraint(-B - A <= -1); + print_constraints(known_result, "*** known_result2 ***"); + + bool ok2 = (oc1 == known_result); + + return ok1 && ok2; + +} + +// tests [-3, -0.5] - A <= [-2, -1] - B and [-2, -1] - B <= [-3, -0.5] - A +bool +test07() { + Variable A(0); + Variable B(1); + + Octagonal_Shape<float> oc1(3); + oc1.add_constraint(A <= 2); + oc1.add_constraint(A - B <= 3); + oc1.add_constraint(B <= 2); + fl_r_oc tmp(-2); + tmp.join_assign(-1); + Linear_Form<fl_r_oc> l2(-B); + l2 += tmp; + Linear_Form<fl_r_oc> l1(-A); + tmp.lower() = -3; + tmp.upper() = -0.5; + l1 += tmp; + oc1.refine_with_linear_form_inequality(l1, l2); + print_constraints(oc1, "*** [-3, -0.5] - A <= [-2, -1] - B ***"); + + Octagonal_Shape<float> known_result(oc1); + known_result.add_constraint(B - A <= 2); + print_constraints(known_result, "*** known_result ***"); + + bool ok1 = (oc1 == known_result); + + oc1.refine_with_linear_form_inequality(l2, l1); + print_constraints(oc1, "*** [-2, -1] - B <= [-3, -0.5] - A ***"); + + known_result.add_constraint(-2*B + 2*A <= 3); + print_constraints(known_result, "*** known_result2 ***"); + + bool ok2 = (oc1 == known_result); + + return ok1 && ok2; + +} + } //namespace

BEGIN_MAIN @@ -227,4 +304,6 @@ BEGIN_MAIN DO_TEST(test03); DO_TEST(test04); DO_TEST(test05); + DO_TEST(test06); + DO_TEST(test07); END_MAIN