* Let the run() function set gpo(0) after completion of the algorithm.

[matthijs/projects/montium-fft.git] / FFT.h

diff --git a/FFT.h b/FFT.h
index 0b51d26f433abb3936a67bad13dd1254b22642fc..5941e934477ca462d6d600c5be0d26b7e5eab293 100644 (file)
--- a/FFT.h
+++ b/FFT.h
@@ -2,16 +2,17 @@
 #ifndef FFT_H_INCLUDED\r
 #define FFT_H_INCLUDED\r
 \r
-#define BIT_SIZE 3\r
-#define SIZE (1<<BIT_SIZE)\r
-\r
 /* Define some parameters for this FFT algorithm. We prefix them \r
  * with PARAM_ so we can still use variable names like 'n' :-) */\r
 /* Change these: */\r
 /* 2log of number of tiles */\r
 #define PARAM_q 2\r
 /** 2log of total FFT size */\r
-#define PARAM_n 4\r
+#define PARAM_n 6\r
+\r
+/* Note that the FFT size on each tile 2^(n-q) must be at least\r
+ * 8 and always a multiple of 4. The number of stages on each \r
+ * tile (n-q) must also be a multiple of 2. */\r
 \r
 /* But don't change these: */\r
 /* Number of tiles */\r