diff --git a/sample/test_fft_calls.cpp b/sample/test_fft_calls.cpp
index 2541223..0009607 100644
--- a/sample/test_fft_calls.cpp
+++ b/sample/test_fft_calls.cpp
@@ -51,5 +51,7 @@ int main(int argc, char **argv)
 {
   test_2d<double>(128,128);
   test_2d<double>(131,128);  
+  test_2d<float>(128,128);
+  test_2d<float>(131,128);  
   return 0;
 }