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-rw-r--r--tests/test5/fft.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/test5/fft.h b/tests/test5/fft.h
new file mode 100644
index 0000000..7f2f0de
--- /dev/null
+++ b/tests/test5/fft.h
@@ -0,0 +1,14 @@
+#ifndef FFT_H
+#define FFT_H
+
+#include <gtk/gtk.h>
+
+void FFT(int NumSamples, gboolean InverseTransform,
+ float *RealIn, float *ImagIn, float *RealOut, float *ImagOut);
+void InitFFT();
+int NumberOfBitsNeeded(int PowerOfTwo);
+inline int FastReverseBits(int i, int NumBits);
+int ReverseBits(int index, int NumBits);
+
+#endif
+