Diffstat (limited to 'noncore/settings/sysinfo/contrib/fft.c') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/settings/sysinfo/contrib/fft.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/noncore/settings/sysinfo/contrib/fft.c b/noncore/settings/sysinfo/contrib/fft.c index 01a1b26..60ee27d 100644 --- a/noncore/settings/sysinfo/contrib/fft.c +++ b/noncore/settings/sysinfo/contrib/fft.c @@ -8,49 +8,49 @@ // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. // // // Author : Satoshi ( af230533@im07.alpha-net.ne.jp ) // ****************************************************************** //*********************************************************************** // ¹â®¥Õ¡¼¥ê¥¨ÊÑ´¹¡Ê£Æ£Æ£Ô¡Ë // ¹¹¤Ë¥¹¥Ô¡¼¥É¡¦¥¢¥Ã¥×¤¹¤ë¤Ë¤Ï£Ã£Ï£Ó¤ò¸ÇÄê¤Ç»ý¤Ä¤³¤È¡ª // // Copyright (C) Satoshi 1994-2002 All rights reserved. // *********************************************************************** #include <math.h> -#define FFT_TEST_COUNT 500 // Bench FFT +#define FFT_TEST_COUNT 332 // Bench FFT // ----------------------------------------------------- FFT #define OBJ_DATA_COUNT 128 #define OBJ_DATA_SISU 7 // 128 = 2 ** 7 #define OBJ_DATA_SLIDE 1 #define FFT_TRN 1 #define IFFT_TRN -1 typedef struct _fft { int N; // ¥Ç¥¸¥¿¥ë¡¦¥Ç¡¼¥¿·ï¿ô int r; // N = 2^r double* result_A; // ¥µ¥ó¥×¥ê¥ó¥°¥Ç¡¼¥¿¤ò¤³¤³¤Ë¥»¥Ã¥È¤¹¤ë // cos À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ× double* result_B; // sin À®Ê¬¡Äµá¤á¤ë¥¹¥Ú¥¯¥È¥ëÀ®Ê¬¤Î¿ôʬ¤ÎÎΰ褬ɬÍ× } FFT; #define FFT_SIZE sizeof( FFT ) void digital_fft( FFT* fft ); double SpectA[OBJ_DATA_COUNT]; double SpectB[OBJ_DATA_COUNT]; |