1 files changed, 13 insertions, 1 deletions

diff --git a/src/tests/formula.cpp b/src/tests/formula.cpp
index 429c306..b3b0d5c 100644
--- a/src/tests/formula.cpp
+++ b/src/tests/formula.cpp
@@ -6,6 +6,7 @@
  */
 
 #include "bu/formula.h"
+#include <math.h>
 
 int main( int argc, char *argv[] )
 {
@@ -17,7 +18,18 @@ int main( int argc, char *argv[] )
         Bu::Formula<uint32_t> uForm;
         Bu::Formula<double> dForm;
 
-        printf("u: %s = %u\n", argv[1], uForm.run( argv[1] ) );
+        class CeilFunc : public Bu::Formula<double>::Func
+        {
+        public:
+                virtual double operator()( double x )
+                {
+                        return ceil( x );
+                }
+        };
+
+        dForm.hFunc.insert( "ceil", new CeilFunc() );
+
+//      printf("u: %s = %u\n", argv[1], uForm.run( argv[1] ) );
         printf("d: %s = %f\n", argv[1], dForm.run( argv[1] ) );
 
         return 0;