Module: ppl/ppl Branch: floating_point Commit: b3919a859f9bb911753bee7bb9059dea1095d99a URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=b3919a859f9bb...
Author: Roberto Amadini r.amadini@virgilio.it Date: Tue Sep 8 17:25:56 2009 +0200
Added and modified tests in order to reach the coverage of 100% in Floating_Point_Expression class and its derived classes.
---
.../floatingpointexpr1.cc | 101 ++++++++++++++++++- 1 files changed, 95 insertions(+), 6 deletions(-)
diff --git a/tests/Floating_Point_Expression/floatingpointexpr1.cc b/tests/Floating_Point_Expression/floatingpointexpr1.cc index 4575fdc..1553458 100644 --- a/tests/Floating_Point_Expression/floatingpointexpr1.cc +++ b/tests/Floating_Point_Expression/floatingpointexpr1.cc @@ -110,7 +110,7 @@ test02() { div.linearize(sstr(), lsstr(), result); } catch (Linearization_Failed e) { - nout << "Division by zero." << endl; + nout << "*** Linearization failed due to division by zero. ***" << endl; return true; } return false; @@ -160,9 +160,39 @@ test03() { return ok_fl && ok_db; }
-// Tests the linearization of A + B. +// Tests the linearization of variables in a given linear form abstract store. bool test04() { + lsdtr store_fl; + Variable A(0); + Float_Interval_Linear_Form known_result_fl = Float_Interval_Linear_Form(A); + store_fl[0] = known_result_fl; + var_fpesd var_fl(0); + Float_Interval_Linear_Form result_fl; + var_fl.linearize(sdtr(), store_fl, result_fl); + + nout << "*** known_result_fl ***" << endl + << known_result_fl << endl; + bool ok_fl = (result_fl == known_result_fl); + + lddtr store_db; + Double_Interval_Linear_Form known_result_db = + Double_Interval_Linear_Form(A); + store_db[0] = known_result_db; + var_fpedd var_db(0); + Double_Interval_Linear_Form result_db; + var_db.linearize(ddtr(), store_db, result_db); + + nout << "*** known_result_db ***" << endl + << known_result_db << endl; + bool ok_db = (result_db == known_result_db); + + return ok_fl && ok_db; +} + +// Tests the linearization of A + B. +bool +test05() { dstr store; db_r_oc tmp; store[0] = tmp; @@ -192,7 +222,7 @@ test04() {
// Tests the linearization of A - B. bool -test05() { +test06() { sstr store; fl_r_oc tmp; store[0] = tmp; @@ -222,7 +252,7 @@ test05() {
// Tests the linearization of A * B where A = [0, 1] and B = [2, 2]. bool -test06() { +test07() { sstr store; fl_r_oc tmp(0); tmp.join_assign(1); @@ -251,7 +281,7 @@ test06() {
// Tests the linearization of A / B where A = [1, 4] and B = [2, 2]. bool -test07() { +test08() { ddtr store; db_r_oc tmp(0); tmp.join_assign(1); @@ -280,7 +310,7 @@ test07() {
// Tests the linearization of [1/4, 1/2] * (-A) where A = [1, 10]. bool -test08() { +test09() { sdtr store; fl_r_oc tmp(1); tmp.join_assign(10); @@ -307,6 +337,63 @@ test08() { return result == known_result; }
+// Tests linearization of multiplication by unbounded operands. +bool +test10() { + float max_fl = std::numeric_limits<float>::max(); + fl_r_oc min_fl = fl_r_oc(-std::numeric_limits<float>::denorm_min()); + min_fl.join_assign(std::numeric_limits<float>::denorm_min()); + Float_Interval_Linear_Form known_result1 = + Float_Interval_Linear_Form(min_fl); + con_fpess* con1 = new con_fpess(0, 0); + con_fpess* con2 = new con_fpess(0, max_fl); + sum_fpess* sum = new sum_fpess(con1, con2); + con_fpess* con3 = new con_fpess(0, 0); + mul_fpess mul(con3, sum); + Float_Interval_Linear_Form result; + mul.linearize(sstr(), lsstr(), result); + + nout << "*** known_result1 ***" << endl + << known_result1 << endl; + bool ok1 = (known_result1 == result); + + double max_db = std::numeric_limits<double>::max(); + db_r_oc min_db = db_r_oc(-std::numeric_limits<double>::denorm_min()); + min_db.join_assign(std::numeric_limits<double>::denorm_min()); + Double_Interval_Linear_Form known_result2 = + Double_Interval_Linear_Form(min_db); + con_fpedd* con4 = new con_fpedd(0, 0); + con_fpedd* con5 = new con_fpedd(0, max_db); + sum_fpedd* sum2 = new sum_fpedd(con4, con5); + con_fpedd* con6 = new con_fpedd(0, 0); + mul_fpedd mul2(sum2, con6); + Double_Interval_Linear_Form result2; + mul2.linearize(ddtr(), lddtr(), result2); + + nout << "*** known_result2 ***" << endl + << known_result2 << endl; + bool ok2 = (known_result2 == result2); + + con_fpedd* con7 = new con_fpedd(0, 0); + con_fpedd* con8 = new con_fpedd(0, max_db); + sum_fpedd* sum3 = new sum_fpedd(con7, con8); + con_fpedd* con9 = new con_fpedd(0, 0); + con_fpedd* con10 = new con_fpedd(0, max_db); + sum_fpedd* sum4 = new sum_fpedd(con9, con10); + mul_fpedd mul3(sum3, sum4); + + bool ok3 = false; + try { + mul3.linearize(ddtr(), lddtr(), result2); + } + catch (Linearization_Failed e) { + nout << "*** Linearization failed due to overflow. ***" << endl; + ok3 = true; + } + + return ok1 && ok2 && ok3; +} + } // namespace
BEGIN_MAIN @@ -318,4 +405,6 @@ BEGIN_MAIN DO_TEST(test06); DO_TEST(test07); DO_TEST(test08); + DO_TEST(test09); + DO_TEST(test10); END_MAIN