Code review: roll back to cout for output utilities

2 files changed, 2 insertions, 2 deletions

diff --git a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h
index f556a064..0f1876d0 100644
--- a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h
+++ b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h
@@ -561,7 +561,7 @@ class Persistent_cohomology {
    * p1*...*pr is the product of prime numbers pi such that the homology
    * feature exists in homology with Z/piZ coefficients.
    */
-  void output_diagram(std::ostream& ostream = std::clog) {
+  void output_diagram(std::ostream& ostream = std::cout) {
     cmp_intervals_by_length cmp(cpx_);
     std::sort(std::begin(persistent_pairs_), std::end(persistent_pairs_), cmp);
     bool has_infinity = std::numeric_limits<Filtration_value>::has_infinity;
diff --git a/src/common/include/gudhi/writing_persistence_to_file.h b/src/common/include/gudhi/writing_persistence_to_file.h
index cdd8be0a..2e36b831 100644
--- a/src/common/include/gudhi/writing_persistence_to_file.h
+++ b/src/common/include/gudhi/writing_persistence_to_file.h
@@ -94,7 +94,7 @@ class Persistence_interval_common {
 **/
 template <typename Persistence_interval_range>
 void write_persistence_intervals_to_stream(const Persistence_interval_range& intervals,
-                                           std::ostream& out = std::clog) {
+                                           std::ostream& out = std::cout) {
   for (auto interval : intervals) {
     out << interval << "\n";
   }