first addition of kissfft.hh the C++ template fft engine

test/Makefile

@@ -95,5 +95,11 @@ selftest.c:
 selftest_short.c:
 	./mk_test.py -s 10 12 14 > selftest_short.c
 
+
+CXXFLAGS=-O3 -ffast-math -fomit-frame-pointer  -I.. -I../tools -W -Wall
+testcpp: testcpp.cc ../kissfft.hh
+	$(CXX) -o $@ $(CXXFLAGS) -lm testcpp.cc
+
+
 clean:
 	rm -f *~ bm_* st_* tr_* kf_* tkfc_* ff_* ffr_* *.pyc *.pyo *.dat