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-rw-r--r--libs/math/test/test_instances/double_test_instances_5.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/libs/math/test/test_instances/double_test_instances_5.cpp b/libs/math/test/test_instances/double_test_instances_5.cpp
index 3c4d0a336..62dbbe2f1 100644
--- a/libs/math/test/test_instances/double_test_instances_5.cpp
+++ b/libs/math/test/test_instances/double_test_instances_5.cpp
@@ -9,6 +9,7 @@
#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
#include <boost/math/special_functions/gamma.hpp>
#include <boost/math/special_functions/digamma.hpp>
+#include <boost/math/special_functions/polygamma.hpp>
#endif
#define BOOST_MATH_TEST_TYPE double