implement set_all for empty vector

FlexibleSUSY · Aug 26, 2016 · 1da8ee7 · 1da8ee7
1 parent 39bc8bb
commit 1da8ee7
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/src/gsl_vector.cpp b/src/gsl_vector.cpp
@@ -163,7 +163,8 @@ gsl_vector* GSL_vector::raw() noexcept
 
 void GSL_vector::set_all(double value) noexcept
 {
-   gsl_vector_set_all(vec, value);
+   if (vec)
+      gsl_vector_set_all(vec, value);
 }
 
 std::ostream& operator<<(std::ostream& ostr, const GSL_vector& vec)

diff --git a/test/test_gsl_vector.cpp b/test/test_gsl_vector.cpp
@@ -204,6 +204,14 @@ BOOST_AUTO_TEST_CASE( test_set_all )
    BOOST_CHECK_EQUAL(v[2], 1.);
 }
 
+BOOST_AUTO_TEST_CASE( test_set_all_empty )
+{
+   GSL_vector v;
+   v.set_all(1.);
+
+   BOOST_CHECK_EQUAL(v.size(), 0);
+}
+
 BOOST_AUTO_TEST_CASE( test_move )
 {
    GSL_vector v(3);