Revision: 42020
http://brlcad.svn.sourceforge.net/brlcad/?rev=42020&view=rev
Author: starseeker
Date: 2011-01-07 19:05:53 +0000 (Fri, 07 Jan 2011)
Log Message:
-----------
Pull updates to libfft from CMake into trunk.
Modified Paths:
--------------
brlcad/trunk/src/libfft/fft.h
brlcad/trunk/src/libfft/fftest.c
brlcad/trunk/src/libfft/fftfast.c
Modified: brlcad/trunk/src/libfft/fft.h
===================================================================
--- brlcad/trunk/src/libfft/fft.h 2011-01-07 18:56:08 UTC (rev 42019)
+++ brlcad/trunk/src/libfft/fft.h 2011-01-07 19:05:53 UTC (rev 42020)
@@ -47,9 +47,24 @@
# endif
#endif
+/* The COMPLEX type used throughout */
+typedef struct {
+ double re; /* Real Part */
+ double im; /* Imaginary Part */
+} COMPLEX;
+
FFT_EXPORT extern void splitdit(int N, int M);
FFT_EXPORT extern void ditsplit(int n /* length */, int m /* n = 2^m */);
+FFT_EXPORT extern void rfft(double *X, int N);
+FFT_EXPORT extern void irfft(double *X, int n);
+FFT_EXPORT extern void cfft(COMPLEX *dat, int num);
+FFT_EXPORT extern void icfft(COMPLEX *dat, int num);
+/* These should come from a generated header, but until
+ * CMake is live we'll just add the ones used by our current code */
+FFT_EXPORT extern void rfft256(register double X[]);
+FFT_EXPORT extern void irfft256(register double X[]);
+
/*
* Local Variables:
* mode: C
Modified: brlcad/trunk/src/libfft/fftest.c
===================================================================
--- brlcad/trunk/src/libfft/fftest.c 2011-01-07 18:56:08 UTC (rev 42019)
+++ brlcad/trunk/src/libfft/fftest.c 2011-01-07 19:05:53 UTC (rev 42020)
@@ -30,12 +30,6 @@
#include "fft.h"
-
-typedef struct {
- double re; /* Real Part */
- double im; /* Imaginary Part */
-} COMPLEX;
-
/***** TEST ROUTINES *****/
COMPLEX data[64];
Modified: brlcad/trunk/src/libfft/fftfast.c
===================================================================
--- brlcad/trunk/src/libfft/fftfast.c 2011-01-07 18:56:08 UTC (rev 42019)
+++ brlcad/trunk/src/libfft/fftfast.c 2011-01-07 19:05:53 UTC (rev 42020)
@@ -43,13 +43,6 @@
#define MAXSIZE 65536 /* Needed for sin/cos tables */
int _init_size = 0; /* Internal: shows last initialized size */
-
-/* The COMPLEX type used throughout */
-typedef struct {
- double re; /* Real Part */
- double im; /* Imaginary Part */
-} COMPLEX;
-
void scramble(int numpoints, COMPLEX *dat);
void butterflies(int numpoints, int inverse, COMPLEX *dat);
int init_sintab(int size);
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