;	for new GOGO-no-coda (1999/09)

;	Copyright (C) 1999 shigeo

;	special thanks to URURI, Keiichi SAKAI

;	fft sin,cos,grayテーブル

;	99/08/21

;	99/09/01(うるり)　ビット反転テーブル削除

;	99/09/14 グレイコードインデックス表グローバル化

%include "nasm.h"

	globaldef	costab_fft

	globaldef	sintab_fft

	globaldef	gray_index

	segment_data

	align 16

costab_fft:

	dd 0.000000000000

	dd 0.707106781187

	dd 0.923879532511

	dd 0.980785280403

	dd 0.995184726672

	dd 0.998795456205

	dd 0.999698818696

	dd 0.999924701839

	dd 0.999981175283

	dd 0.999995293810

	dd 0.999998823452

	dd 0.999999705863

	dd 0.999999926466

	dd 0.999999981616

	dd 0.999999995404

	dd 0.999999998851

sintab_fft:

	dd 1.000000000000

	dd 0.707106781187

	dd 0.382683432365

	dd 0.195090322016

	dd 0.098017140330

	dd 0.049067674327

	dd 0.024541228523

	dd 0.012271538286

	dd 0.006135884649

	dd 0.003067956763

	dd 0.001533980186

	dd 0.000766990319

	dd 0.000383495188

	dd 0.000191747597

	dd 0.000095873799

	dd 0.000047936900

		align 16

gray_index:

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 7

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 8

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 7

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 9

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 7

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 8

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 7

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 6

		db	2, 3, 2, 4, 2, 3, 2, 5, 2, 3, 2, 4, 2, 3, 2, 10

	segment_code

	end