1 files changed, 4 insertions, 4 deletions
diff --git a/src/Persistent_cohomology/test/betti_numbers_unit_test.cpp b/src/Persistent_cohomology/test/betti_numbers_unit_test.cpp
index b98a3765..0ed3fddf 100644
--- a/src/Persistent_cohomology/test/betti_numbers_unit_test.cpp
+++ b/src/Persistent_cohomology/test/betti_numbers_unit_test.cpp
@@ -124,7 +124,7 @@ BOOST_AUTO_TEST_CASE( plain_homology_betti_numbers )
 
   auto intervals_in_dimension_0 = pcoh.intervals_in_dimension(0);
   std::cout << "intervals_in_dimension_0.size() = " << intervals_in_dimension_0.size() << std::endl;
-  for (int i = 0; i < intervals_in_dimension_0.size(); i++)
+  for (std::size_t i = 0; i < intervals_in_dimension_0.size(); i++)
     std::cout << "intervals_in_dimension_0[" << i << "] = [" << intervals_in_dimension_0[i].first << "," <<
                  intervals_in_dimension_0[i].second << "]" << std::endl;
   BOOST_CHECK(intervals_in_dimension_0.size() == 2);
@@ -136,7 +136,7 @@ BOOST_AUTO_TEST_CASE( plain_homology_betti_numbers )
 
   auto intervals_in_dimension_1 = pcoh.intervals_in_dimension(1);
   std::cout << "intervals_in_dimension_1.size() = " << intervals_in_dimension_1.size() << std::endl;
-  for (int i = 0; i < intervals_in_dimension_1.size(); i++)
+  for (std::size_t i = 0; i < intervals_in_dimension_1.size(); i++)
     std::cout << "intervals_in_dimension_1[" << i << "] = [" << intervals_in_dimension_1[i].first << "," <<
                  intervals_in_dimension_1[i].second << "]" << std::endl;
   BOOST_CHECK(intervals_in_dimension_1.size() == 1);
@@ -267,7 +267,7 @@ BOOST_AUTO_TEST_CASE( betti_numbers )
 
   auto intervals_in_dimension_0 = pcoh.intervals_in_dimension(0);
   std::cout << "intervals_in_dimension_0.size() = " << intervals_in_dimension_0.size() << std::endl;
-  for (int i = 0; i < intervals_in_dimension_0.size(); i++)
+  for (std::size_t i = 0; i < intervals_in_dimension_0.size(); i++)
     std::cout << "intervals_in_dimension_0[" << i << "] = [" << intervals_in_dimension_0[i].first << "," <<
                  intervals_in_dimension_0[i].second << "]" << std::endl;
   BOOST_CHECK(intervals_in_dimension_0.size() == 2);
@@ -278,7 +278,7 @@ BOOST_AUTO_TEST_CASE( betti_numbers )
 
   auto intervals_in_dimension_1 = pcoh.intervals_in_dimension(1);
   std::cout << "intervals_in_dimension_1.size() = " << intervals_in_dimension_1.size() << std::endl;
-  for (int i = 0; i < intervals_in_dimension_1.size(); i++)
+  for (std::size_t i = 0; i < intervals_in_dimension_1.size(); i++)
     std::cout << "intervals_in_dimension_1[" << i << "] = [" << intervals_in_dimension_1[i].first << "," <<
                  intervals_in_dimension_1[i].second << "]" << std::endl;
   BOOST_CHECK(intervals_in_dimension_1.size() == 1);