[PPL-devel] [GIT] ppl/ppl(floating_point): Added a few trivial tests.

[Fabio Bossi]

Module: ppl/ppl
Branch: floating_point
Commit: 2af7d3f9cb5283ce313f38d9d217d881ea53a3dd
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=2af7d3f9cb5283ce313f38d9d217d881ea53a3dd

Author: Fabio Bossi <bossi at cs.unipr.it>
Date:   Fri Jul 23 13:50:13 2010 +0200

Added a few trivial tests.

---

 tests/Concrete_Expression/Makefile.am    |    7 +++-
 tests/Concrete_Expression/float.cc       |   44 ++++++++++++++++++++++++++++++
 tests/Concrete_Expression/linearform1.cc |   34 +++++++++++++++++++++++
 3 files changed, 83 insertions(+), 2 deletions(-)

diff --git a/tests/Concrete_Expression/Makefile.am b/tests/Concrete_Expression/Makefile.am
index c433cad..015f0f8 100644
--- a/tests/Concrete_Expression/Makefile.am
+++ b/tests/Concrete_Expression/Makefile.am
@@ -51,12 +51,13 @@ $(top_builddir)/src/libppl.la \
 @extra_libraries@
 
 ORIGINAL_TESTS = \
-C_Expr
+C_Expr \
+float \
+linearform1
 #bdshape1 \
 #bdshape2 \
 #digitalfilters1 \
 #floatingpointexpr1 \
-#linearform1 \
 #octagonalshape1 \
 #octagonalshape2 \
 #polyhedron1 \
@@ -138,6 +139,8 @@ bdshape2_SOURCES = bdshape2.cc
 
 digitalfilters1_SOURCES = digitalfilters1.cc
 
+float_SOURCES = float.cc
+
 floatingpointexpr1_SOURCES = floatingpointexpr1.cc
 
 linearform1_SOURCES = linearform1.cc
diff --git a/tests/Concrete_Expression/float.cc b/tests/Concrete_Expression/float.cc
new file mode 100644
index 0000000..28f8d78
--- /dev/null
+++ b/tests/Concrete_Expression/float.cc
@@ -0,0 +1,44 @@
+/* Test function compute_absolute_error.
+   Copyright (C) 2001-2010 Roberto Bagnara <bagnara at cs.unipr.it>
+
+This file is part of the Parma Polyhedra Library (PPL).
+
+The PPL is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+The PPL is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software Foundation,
+Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
+
+For the most up-to-date information see the Parma Polyhedra Library
+site: http://www.cs.unipr.it/ppl/ . */
+
+#include "ppl_test.hh"
+
+namespace {
+
+using namespace Parma_Polyhedra_Library::IO_Operators;
+
+bool
+test01() {
+  std::cout << compute_absolute_error<FP_Interval>(IEEE754_HALF) <<
+  std::endl;
+
+  std::cout << compute_absolute_error<FP_Interval>(IEEE754_HALF) <<
+  std::endl;
+
+  return 1;
+}
+
+}
+
+BEGIN_MAIN
+  DO_TEST(test01);
+END_MAIN
diff --git a/tests/Concrete_Expression/linearform1.cc b/tests/Concrete_Expression/linearform1.cc
index 63b828c..5f532dd 100644
--- a/tests/Concrete_Expression/linearform1.cc
+++ b/tests/Concrete_Expression/linearform1.cc
@@ -21,6 +21,7 @@ For the most up-to-date information see the Parma Polyhedra Library
 site: http://www.cs.unipr.it/ppl/ . */
 
 #include "ppl_test.hh"
+#include <limits>
 
 namespace {
 
@@ -291,6 +292,37 @@ test08() {
   return ok1 && ok2 && ok3 && ok4 && ok5 && ok6;
 }
 
+bool
+test09() {
+  Variable A(0);
+  FP_Linear_Form f;
+  bool ok1 = !f.overflows();
+  f += A;
+  bool ok2 = !f.overflows();
+  FP_Interval max(std::numeric_limits<ANALYZER_FP_FORMAT>::max());
+  f *= max;
+  f *= max;
+  bool ok3 = f.overflows();
+  return ok1 && ok2 && ok3;
+}
+
+bool
+test10() {
+  Variable A(0);
+  FP_Linear_Form f;
+  FP_Interval_Abstract_Store s(2);
+  FP_Interval i(2.0);
+  f += i;
+  f += A;
+  s.set_interval(A, i);
+  FP_Interval result;
+  f.intervalize(s, result);
+  FP_Interval known_result = i+i;
+  nout << "Result: " << result << std::endl;
+  nout << "Known result: " << known_result << std::endl;
+  return result == known_result;
+}
+
 } // namespace
 
 BEGIN_MAIN
@@ -302,4 +334,6 @@ BEGIN_MAIN
   DO_TEST(test06);
   DO_TEST(test07);
   DO_TEST(test08);
+  DO_TEST(test09);
+  DO_TEST(test10);
 END_MAIN