1 files changed, 3 insertions, 0 deletions
diff --git a/tests/ttanh.c b/tests/ttanh.c
index b7304e09a..2426d472f 100644
--- a/tests/ttanh.c
+++ b/tests/ttanh.c
@@ -127,6 +127,9 @@ main (int argc, char *argv[])
 
   test_generic (2, 100, 100);
 
+  if (getenv ("MPFR_CHECK_ALL") != NULL)
+    data_check ("data/tanh", mpfr_tanh, "mpfr_tanh");
+
   tests_end_mpfr ();
   return 0;
 }