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1 syntax: glob
2 *.pyc
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1 from twiddle_factors import TwiddleFactors
2
3 N = 8
4 twiddleFactors8 = TwiddleFactors(N)
5 twiddleFactors8.build_twiddle_factors()
6 twiddleFactors8.twiddle_factors_dot_vhd_generation()
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1 library IEEE;
2 use IEEE.numeric_std.all;
3 use IEEE.std_logic_1164.all;
4
5 package twiddle_factors_128 is
6
7 constant Coef_SZ : integer := 16;
8 constant NB_Coeffs : integer := 128;
9
10 --============================================================
11 -- create each initial values for each coefs ============
12 --!!!!!!!!!!It should be interfaced with a software !!!!!!!!!!
13 --============================================================
14
15 constant c_0 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
16 constant c_1 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
17 constant c_2 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
18 constant c_3 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
19 constant c_4 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
20 constant c_5 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
21 constant c_6 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
22 constant c_7 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
23 constant c_8 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
24 constant c_9 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
25 constant c_10 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
26 constant c_11 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
27 constant c_12 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
28 constant c_13 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
29 constant c_14 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
30 constant c_15 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
31 constant c_16 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
32 constant c_17 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
33 constant c_18 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
34 constant c_19 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
35 constant c_20 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
36 constant c_21 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
37 constant c_22 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
38 constant c_23 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
39 constant c_24 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
40 constant c_25 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
41 constant c_26 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
42 constant c_27 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
43 constant c_28 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
44 constant c_29 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
45 constant c_30 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
46 constant c_31 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
47 constant c_32 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
48 constant c_33 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
49 constant c_34 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
50 constant c_35 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
51 constant c_36 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
52 constant c_37 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
53 constant c_38 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
54 constant c_39 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
55 constant c_40 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
56 constant c_41 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
57 constant c_42 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
58 constant c_43 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
59 constant c_44 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
60 constant c_45 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
61 constant c_46 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
62 constant c_47 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
63 constant c_48 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
64 constant c_49 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
65 constant c_50 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
66 constant c_51 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
67 constant c_52 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
68 constant c_53 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
69 constant c_54 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
70 constant c_55 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
71 constant c_56 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
72 constant c_57 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
73 constant c_58 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
74 constant c_59 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
75 constant c_60 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
76 constant c_61 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
77 constant c_62 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
78 constant c_63 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
79 constant c_64 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
80 constant c_65 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
81 constant c_66 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
82 constant c_67 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
83 constant c_68 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
84 constant c_69 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
85 constant c_70 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
86 constant c_71 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
87 constant c_72 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
88 constant c_73 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
89 constant c_74 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
90 constant c_75 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
91 constant c_76 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
92 constant c_77 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
93 constant c_78 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
94 constant c_79 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
95 constant c_80 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
96 constant c_81 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
97 constant c_82 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
98 constant c_83 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
99 constant c_84 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
100 constant c_85 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
101 constant c_86 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
102 constant c_87 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
103 constant c_88 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
104 constant c_89 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
105 constant c_90 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
106 constant c_91 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
107 constant c_92 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
108 constant c_93 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
109 constant c_94 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
110 constant c_95 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
111 constant c_96 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
112 constant c_97 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
113 constant c_98 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
114 constant c_99 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
115 constant c_100 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
116 constant c_101 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
117 constant c_102 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
118 constant c_103 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
119 constant c_104 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
120 constant c_105 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
121 constant c_106 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
122 constant c_107 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
123 constant c_108 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
124 constant c_109 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
125 constant c_110 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
126 constant c_111 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
127 constant c_112 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
128 constant c_113 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
129 constant c_114 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
130 constant c_115 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
131 constant c_116 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
132 constant c_117 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
133 constant c_118 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
134 constant c_119 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
135 constant c_120 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
136 constant c_121 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
137 constant c_122 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
138 constant c_123 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
139 constant c_124 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
140 constant c_125 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
141 constant c_126 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
142 constant c_127 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));
143
144 --************************************************--
145
146 constant cps_0 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
147 constant cps_1 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
148 constant cps_2 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
149 constant cps_3 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
150 constant cps_4 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
151 constant cps_5 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
152 constant cps_6 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
153 constant cps_7 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
154 constant cps_8 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
155 constant cps_9 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
156 constant cps_10 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
157 constant cps_11 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
158 constant cps_12 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
159 constant cps_13 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
160 constant cps_14 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
161 constant cps_15 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
162 constant cps_16 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
163 constant cps_17 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
164 constant cps_18 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
165 constant cps_19 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
166 constant cps_20 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
167 constant cps_21 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
168 constant cps_22 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
169 constant cps_23 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
170 constant cps_24 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
171 constant cps_25 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
172 constant cps_26 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
173 constant cps_27 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
174 constant cps_28 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
175 constant cps_29 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
176 constant cps_30 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
177 constant cps_31 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
178 constant cps_32 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
179 constant cps_33 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
180 constant cps_34 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
181 constant cps_35 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
182 constant cps_36 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
183 constant cps_37 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
184 constant cps_38 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
185 constant cps_39 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
186 constant cps_40 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
187 constant cps_41 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
188 constant cps_42 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
189 constant cps_43 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
190 constant cps_44 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
191 constant cps_45 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
192 constant cps_46 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
193 constant cps_47 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
194 constant cps_48 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
195 constant cps_49 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
196 constant cps_50 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
197 constant cps_51 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
198 constant cps_52 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
199 constant cps_53 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
200 constant cps_54 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
201 constant cps_55 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
202 constant cps_56 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
203 constant cps_57 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
204 constant cps_58 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
205 constant cps_59 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
206 constant cps_60 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
207 constant cps_61 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
208 constant cps_62 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
209 constant cps_63 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
210 constant cps_64 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
211 constant cps_65 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
212 constant cps_66 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
213 constant cps_67 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
214 constant cps_68 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
215 constant cps_69 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
216 constant cps_70 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
217 constant cps_71 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
218 constant cps_72 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
219 constant cps_73 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
220 constant cps_74 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
221 constant cps_75 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
222 constant cps_76 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
223 constant cps_77 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
224 constant cps_78 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
225 constant cps_79 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
226 constant cps_80 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
227 constant cps_81 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
228 constant cps_82 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
229 constant cps_83 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
230 constant cps_84 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
231 constant cps_85 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
232 constant cps_86 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
233 constant cps_87 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
234 constant cps_88 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
235 constant cps_89 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
236 constant cps_90 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
237 constant cps_91 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
238 constant cps_92 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
239 constant cps_93 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
240 constant cps_94 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
241 constant cps_95 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
242 constant cps_96 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
243 constant cps_97 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
244 constant cps_98 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
245 constant cps_99 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
246 constant cps_100 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
247 constant cps_101 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
248 constant cps_102 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
249 constant cps_103 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
250 constant cps_104 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
251 constant cps_105 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
252 constant cps_106 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
253 constant cps_107 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
254 constant cps_108 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
255 constant cps_109 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
256 constant cps_110 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
257 constant cps_111 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
258 constant cps_112 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
259 constant cps_113 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
260 constant cps_114 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
261 constant cps_115 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
262 constant cps_116 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
263 constant cps_117 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
264 constant cps_118 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
265 constant cps_119 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
266 constant cps_120 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
267 constant cps_121 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
268 constant cps_122 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
269 constant cps_123 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
270 constant cps_124 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
271 constant cps_125 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
272 constant cps_126 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
273 constant cps_127 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));
274
275 --************************************************--
276
277 constant cms_0 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
278 constant cms_1 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
279 constant cms_2 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
280 constant cms_3 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
281 constant cms_4 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
282 constant cms_5 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
283 constant cms_6 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
284 constant cms_7 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
285 constant cms_8 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
286 constant cms_9 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
287 constant cms_10 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
288 constant cms_11 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
289 constant cms_12 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
290 constant cms_13 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
291 constant cms_14 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
292 constant cms_15 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
293 constant cms_16 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
294 constant cms_17 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
295 constant cms_18 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
296 constant cms_19 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
297 constant cms_20 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
298 constant cms_21 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
299 constant cms_22 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
300 constant cms_23 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
301 constant cms_24 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
302 constant cms_25 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
303 constant cms_26 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
304 constant cms_27 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
305 constant cms_28 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
306 constant cms_29 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
307 constant cms_30 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
308 constant cms_31 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
309 constant cms_32 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
310 constant cms_33 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
311 constant cms_34 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
312 constant cms_35 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
313 constant cms_36 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
314 constant cms_37 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
315 constant cms_38 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
316 constant cms_39 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
317 constant cms_40 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
318 constant cms_41 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
319 constant cms_42 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
320 constant cms_43 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
321 constant cms_44 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
322 constant cms_45 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
323 constant cms_46 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
324 constant cms_47 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
325 constant cms_48 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
326 constant cms_49 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
327 constant cms_50 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
328 constant cms_51 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
329 constant cms_52 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
330 constant cms_53 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
331 constant cms_54 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
332 constant cms_55 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
333 constant cms_56 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
334 constant cms_57 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
335 constant cms_58 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
336 constant cms_59 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
337 constant cms_60 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
338 constant cms_61 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
339 constant cms_62 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
340 constant cms_63 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
341 constant cms_64 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
342 constant cms_65 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
343 constant cms_66 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
344 constant cms_67 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
345 constant cms_68 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
346 constant cms_69 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
347 constant cms_70 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
348 constant cms_71 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
349 constant cms_72 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
350 constant cms_73 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
351 constant cms_74 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
352 constant cms_75 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
353 constant cms_76 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
354 constant cms_77 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
355 constant cms_78 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
356 constant cms_79 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
357 constant cms_80 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
358 constant cms_81 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
359 constant cms_82 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
360 constant cms_83 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
361 constant cms_84 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
362 constant cms_85 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
363 constant cms_86 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
364 constant cms_87 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
365 constant cms_88 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
366 constant cms_89 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
367 constant cms_90 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
368 constant cms_91 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
369 constant cms_92 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
370 constant cms_93 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
371 constant cms_94 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
372 constant cms_95 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
373 constant cms_96 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
374 constant cms_97 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
375 constant cms_98 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
376 constant cms_99 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
377 constant cms_100 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
378 constant cms_101 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
379 constant cms_102 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
380 constant cms_103 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
381 constant cms_104 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
382 constant cms_105 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
383 constant cms_106 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
384 constant cms_107 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
385 constant cms_108 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
386 constant cms_109 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
387 constant cms_110 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
388 constant cms_111 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
389 constant cms_112 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
390 constant cms_113 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
391 constant cms_114 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
392 constant cms_115 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
393 constant cms_116 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
394 constant cms_117 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
395 constant cms_118 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
396 constant cms_119 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
397 constant cms_120 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
398 constant cms_121 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
399 constant cms_122 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
400 constant cms_123 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
401 constant cms_124 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
402 constant cms_125 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
403 constant cms_126 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
404 constant cms_127 : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));
405
406 --************************************************--
407
408 constant twiddleFactors_c : std_logic_vector( (NB_Coeffs * Coef_SZ)-1 downto 0) :=
409 (
410 c_0 & c_1 & c_2 & c_3 & c_4 & c_5 & c_6 & c_7 &
411 c_8 & c_9 & c_10 & c_11 & c_12 & c_13 & c_14 & c_15 &
412 c_16 & c_17 & c_18 & c_19 & c_20 & c_21 & c_22 & c_23 &
413 c_24 & c_25 & c_26 & c_27 & c_28 & c_29 & c_30 & c_31 &
414 c_32 & c_33 & c_34 & c_35 & c_36 & c_37 & c_38 & c_39 &
415 c_40 & c_41 & c_42 & c_43 & c_44 & c_45 & c_46 & c_47 &
416 c_48 & c_49 & c_50 & c_51 & c_52 & c_53 & c_54 & c_55 &
417 c_56 & c_57 & c_58 & c_59 & c_60 & c_61 & c_62 & c_63 &
418 c_64 & c_65 & c_66 & c_67 & c_68 & c_69 & c_70 & c_71 &
419 c_72 & c_73 & c_74 & c_75 & c_76 & c_77 & c_78 & c_79 &
420 c_80 & c_81 & c_82 & c_83 & c_84 & c_85 & c_86 & c_87 &
421 c_88 & c_89 & c_90 & c_91 & c_92 & c_93 & c_94 & c_95 &
422 c_96 & c_97 & c_98 & c_99 & c_100 & c_101 & c_102 & c_103 &
423 c_104 & c_105 & c_106 & c_107 & c_108 & c_109 & c_110 & c_111 &
424 c_112 & c_113 & c_114 & c_115 & c_116 & c_117 & c_118 & c_119 &
425 c_120 & c_121 & c_122 & c_123 & c_124 & c_125 & c_126 & c_127 );
426
427 constant twiddleFactors_cps : std_logic_vector( (NB_Coeffs * Coef_SZ)-1 downto 0) :=
428 (
429 cps_0 & cps_1 & cps_2 & cps_3 & cps_4 & cps_5 & cps_6 & cps_7 &
430 cps_8 & cps_9 & cps_10 & cps_11 & cps_12 & cps_13 & cps_14 & cps_15 &
431 cps_16 & cps_17 & cps_18 & cps_19 & cps_20 & cps_21 & cps_22 & cps_23 &
432 cps_24 & cps_25 & cps_26 & cps_27 & cps_28 & cps_29 & cps_30 & cps_31 &
433 cps_32 & cps_33 & cps_34 & cps_35 & cps_36 & cps_37 & cps_38 & cps_39 &
434 cps_40 & cps_41 & cps_42 & cps_43 & cps_44 & cps_45 & cps_46 & cps_47 &
435 cps_48 & cps_49 & cps_50 & cps_51 & cps_52 & cps_53 & cps_54 & cps_55 &
436 cps_56 & cps_57 & cps_58 & cps_59 & cps_60 & cps_61 & cps_62 & cps_63 &
437 cps_64 & cps_65 & cps_66 & cps_67 & cps_68 & cps_69 & cps_70 & cps_71 &
438 cps_72 & cps_73 & cps_74 & cps_75 & cps_76 & cps_77 & cps_78 & cps_79 &
439 cps_80 & cps_81 & cps_82 & cps_83 & cps_84 & cps_85 & cps_86 & cps_87 &
440 cps_88 & cps_89 & cps_90 & cps_91 & cps_92 & cps_93 & cps_94 & cps_95 &
441 cps_96 & cps_97 & cps_98 & cps_99 & cps_100 & cps_101 & cps_102 & cps_103 &
442 cps_104 & cps_105 & cps_106 & cps_107 & cps_108 & cps_109 & cps_110 & cps_111 &
443 cps_112 & cps_113 & cps_114 & cps_115 & cps_116 & cps_117 & cps_118 & cps_119 &
444 cps_120 & cps_121 & cps_122 & cps_123 & cps_124 & cps_125 & cps_126 & cps_127 );
445
446 constant twiddleFactors_cms : std_logic_vector( (NB_Coeffs * Coef_SZ)-1 downto 0) :=
447 (
448 cms_0 & cms_1 & cms_2 & cms_3 & cms_4 & cms_5 & cms_6 & cms_7 &
449 cms_8 & cms_9 & cms_10 & cms_11 & cms_12 & cms_13 & cms_14 & cms_15 &
450 cms_16 & cms_17 & cms_18 & cms_19 & cms_20 & cms_21 & cms_22 & cms_23 &
451 cms_24 & cms_25 & cms_26 & cms_27 & cms_28 & cms_29 & cms_30 & cms_31 &
452 cms_32 & cms_33 & cms_34 & cms_35 & cms_36 & cms_37 & cms_38 & cms_39 &
453 cms_40 & cms_41 & cms_42 & cms_43 & cms_44 & cms_45 & cms_46 & cms_47 &
454 cms_48 & cms_49 & cms_50 & cms_51 & cms_52 & cms_53 & cms_54 & cms_55 &
455 cms_56 & cms_57 & cms_58 & cms_59 & cms_60 & cms_61 & cms_62 & cms_63 &
456 cms_64 & cms_65 & cms_66 & cms_67 & cms_68 & cms_69 & cms_70 & cms_71 &
457 cms_72 & cms_73 & cms_74 & cms_75 & cms_76 & cms_77 & cms_78 & cms_79 &
458 cms_80 & cms_81 & cms_82 & cms_83 & cms_84 & cms_85 & cms_86 & cms_87 &
459 cms_88 & cms_89 & cms_90 & cms_91 & cms_92 & cms_93 & cms_94 & cms_95 &
460 cms_96 & cms_97 & cms_98 & cms_99 & cms_100 & cms_101 & cms_102 & cms_103 &
461 cms_104 & cms_105 & cms_106 & cms_107 & cms_108 & cms_109 & cms_110 & cms_111 &
462 cms_112 & cms_113 & cms_114 & cms_115 & cms_116 & cms_117 & cms_118 & cms_119 &
463 cms_120 & cms_121 & cms_122 & cms_123 & cms_124 & cms_125 & cms_126 & cms_127 );
464 end;
465
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@@ -0,0 +1,71
1 def build_twiddle_factors_128_dot_vhdl():
2
3 with open("twiddle_factors_128.vhd", "w") as text_file:
4
5 text_file.write("library IEEE;\n")
6 text_file.write("use IEEE.numeric_std.all;\n")
7 text_file.write("use IEEE.std_logic_1164.all;\n\n")
8
9 text_file.write("package twiddle_factors_128 is\n\n")
10
11 text_file.write("constant Coef_SZ : integer := 16;\n")
12 text_file.write("constant NB_Coeffs : integer := 128;\n\n")
13
14 text_file.write("--============================================================\n")
15 text_file.write("-- create each initial values for each coefs ============\n")
16 text_file.write("--!!!!!!!!!!It should be interfaced with a software !!!!!!!!!!\n")
17 text_file.write("--============================================================\n\n")
18
19 for i in range(128):
20 text_file.write("constant c_{} : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(121,Coef_SZ));\n".format(i))
21
22 text_file.write("\n--************************************************--\n\n")
23
24 for i in range(128):
25 text_file.write("constant cps_{} : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(160,Coef_SZ));\n".format(i))
26
27 text_file.write("\n--************************************************--\n\n")
28
29 for i in range(128):
30 text_file.write("constant cms_{} : std_logic_vector(Coef_SZ-1 downto 0) := std_logic_vector(TO_SIGNED(82,Coef_SZ));\n".format(i))
31
32 text_file.write("\n--************************************************--\n\n")
33
34 range_j = 16
35 range_i = 8
36
37 text_file.write("constant twiddleFactors_c : std_logic_vector( (NB_Coeffs * Coef_SZ)-1 downto 0) :=\n")
38 text_file.write("(")
39 for j in range(16):
40 text_file.write("\n")
41 for i in range(8):
42 if (i+j*range_i) == (range_j*range_i-1):
43 text_file.write("c_{} );\n\n".format(i+j*range_i))
44 else:
45 text_file.write("c_{} & ".format(i+j*range_i))
46
47 text_file.write("constant twiddleFactors_cps : std_logic_vector( (NB_Coeffs * Coef_SZ)-1 downto 0) :=\n")
48 text_file.write("(")
49 for j in range(16):
50 text_file.write("\n")
51 for i in range(8):
52 if (i+j*range_i) == (range_j*range_i-1):
53 text_file.write("cps_{} );\n\n".format(i+j*range_i))
54 else:
55 text_file.write("cps_{} & ".format(i+j*range_i))
56
57 text_file.write("constant twiddleFactors_cms : std_logic_vector( (NB_Coeffs * Coef_SZ)-1 downto 0) :=\n")
58 text_file.write("(")
59 for j in range(16):
60 text_file.write("\n")
61 for i in range(8):
62 if (i+j*range_i) == (range_j*range_i-1):
63 text_file.write("cms_{} );\n".format(i+j*range_i))
64 else:
65 text_file.write("cms_{} & ".format(i+j*range_i))
66
67 text_file.write("end;\n\n")
68
69 if __name__ == '__main__':
70 build_twiddle_factors_128_dot_vhdl()
71 print'file built'
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1 NO CONTENT: modified file, binary diff hidden
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@@ -1,6 +1,6
1 from butterfly_processor import ButterflyProcessor
1 from butterfly_processor import ButterflyProcessor
2 from twiddle_factors import TwiddleFactors
2 from twiddle_factors import TwiddleFactors
3 from math import cos, sin, pi
3 from math import cos, sin, pi, log
4 from index_transform_decimation_in_frequency import IndexTransformDecimationInFrequency
4 from index_transform_decimation_in_frequency import IndexTransformDecimationInFrequency
5
5
6 class FFT8DecimationInFrequency(object):
6 class FFT8DecimationInFrequency(object):
@@ -14,50 +14,37 class FFT8DecimationInFrequency(object):
14 self.indexTransformDecimationInFrequency = IndexTransformDecimationInFrequency(N)
14 self.indexTransformDecimationInFrequency = IndexTransformDecimationInFrequency(N)
15
15
16 def fft(self, x):
16 def fft(self, x):
17 # stage 1
17 # all stages
18 fft_output = range(8)
18 fft_output = x[:]
19 for i in range(4):
19 nb_stages = int( log(len(x), 2) )
20 res = self.butterflyProcessor.butterfly( # (Are, Aim, Bre, Bim, C, C_plus_S, C_minus_S)
20 print 'size of input sequence = ', len(x), ', nb stages = ', nb_stages
21 x[i], 0,
21 for k in range(nb_stages):
22 x[i+4], 0,
22 stage = k + 1
23 self.w[i].real,
23 step = 2**(nb_stages - stage)
24 self.w[i].real + self.w[i].imag,
24 nb_groups = 2**(stage-1)
25 self.w[i].real - self.w[i].imag,
25 for twiddle in range(step):
26 )
26 for group in range(nb_groups):
27 fft_output[i] = res[0]
27 res = self.butterflyProcessor.butterfly(
28 fft_output[i+4] = res[1]
28 fft_output[twiddle+group*step*2].real,
29 # stage 2
29 fft_output[twiddle+group*step*2].imag,
30 for twiddle in range(2):
30 fft_output[twiddle+group*step*2+step].real,
31 for group in range(2):
31 fft_output[twiddle+group*step*2+step].imag,
32 res = self.butterflyProcessor.butterfly(
32 self.w[twiddle*nb_groups].real,
33 fft_output[twiddle+group*4].real, fft_output[twiddle+group*4].imag,
33 self.w[twiddle*nb_groups].real + self.w[twiddle*nb_groups].imag,
34 fft_output[twiddle+group*4+2].real, fft_output[twiddle+group*4+2].imag,
34 self.w[twiddle*nb_groups].real - self.w[twiddle*nb_groups].imag
35 self.w[twiddle*2].real,
35 )
36 self.w[twiddle*2].real + self.w[twiddle*2].imag,
36 fft_output[twiddle+group*step*2] = res[0]
37 self.w[twiddle*2].real - self.w[twiddle*2].imag
37 fft_output[twiddle+group*step*2+step] = res[1]
38 )
39 fft_output[twiddle+group*4] = res[0]
40 fft_output[twiddle+group*4+2] = res[1]
41 # stage 3
42 for i in range(4):
43 res = self.butterflyProcessor.butterfly(
44 fft_output[i*2].real, fft_output[i*2].imag,
45 fft_output[i*2+1].real, fft_output[i*2+1].imag,
46 1,
47 1,
48 1
49 )
50 fft_output[i*2] = res[0]
51 fft_output[i*2+1] = res[1]
52 # arrange sequence
38 # arrange sequence
53 self.indexTransformDecimationInFrequency.reverse_order(fft_output)
39 self.indexTransformDecimationInFrequency.reverse_order(fft_output)
54 return fft_output
40 return fft_output
55
41
56 def dft(self, x):
42 def dft(self, x):
57 fft_output = range(8)
43 N = len(x)
58 for k in range(8):
44 fft_output = x[:]
45 for k in range(N):
59 val = 0
46 val = 0
60 for n in range(8):
47 for n in range(N):
61 teta = - 2 * pi * n * k / self.N
48 teta = - 2 * pi * n * k / self.N
62 val = val + x[n] * ( cos(teta) + 1j * sin(teta) )
49 val = val + x[n] * ( cos(teta) + 1j * sin(teta) )
63 fft_output[k] = val
50 fft_output[k] = val
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@@ -8,28 +8,49 class IndexTransformDecimationInFrequenc
8 print 'new_k = ', self.new_k
8 print 'new_k = ', self.new_k
9
9
10 def reverse_order(self, sequence):
10 def reverse_order(self, sequence):
11 for i in (range(len(sequence)/2-1)):
11 old_sequence = sequence[:]
12 i = i+1
12 for i in (range(len(sequence))):
13 a = sequence[ i ];
13 a = sequence[ i ];
14 b = sequence[ self.new_k[i] ]
14 sequence[ i ] = old_sequence[ self.new_k[i] ]
15 sequence[ i ] = b
16 sequence[ self.new_k[i] ] = a
17
15
18 def build_index_vector(self):
16 def build_index_vector(self):
19 if self.N == 8:
17 if self.N == 8: # 2^3 => 3 bits
20 for indice in range(self.N):
18 for indice in range(self.N):
21 b = '{:03b}'.format(indice)
19 b = '{:03b}'.format(indice)
22 b = b[::-1]
20 b = b[::-1]
23 self.new_k[indice] = int(b, 2)
21 self.new_k[indice] = int(b, 2)
22 elif self.N == 16: # 2^4 => 4 bits
23 for indice in range(self.N):
24 b = '{:04b}'.format(indice)
25 b = b[::-1]
26 self.new_k[indice] = int(b, 2)
27 elif self.N == 32: # 2^5 => 5 bits
28 for indice in range(self.N):
29 b = '{:05b}'.format(indice)
30 b = b[::-1]
31 self.new_k[indice] = int(b, 2)
32 elif self.N == 256: # 2^8 => 8 bits
33 for indice in range(self.N):
34 b = '{:08b}'.format(indice)
35 b = b[::-1]
36 self.new_k[indice] = int(b, 2)
24 else:
37 else:
25 print'error, value not supported by the index_transform function'
38 print'error, N = ', self.N, ' is not supported by the index_transform function'
26
39
27 if __name__ == "__main__":
40 if __name__ == "__main__":
28 indexTransformDecimationInFrequency = IndexTransformDecimationInFrequency(8)
29 x = range(8)
41 x = range(8)
42 indexTransformDecimationInFrequency = IndexTransformDecimationInFrequency(len(x))
30 print 'x ', x
43 print 'x ', x
31 indexTransformDecimationInFrequency.reverse_order(x)
44 indexTransformDecimationInFrequency.reverse_order(x)
32 print 'x rearranged ', x
45 print 'x rearranged ', x
33 y = x
46 y = x
34 indexTransformDecimationInFrequency.reverse_order(y)
47 indexTransformDecimationInFrequency.reverse_order(y)
35 print 'y ', y
48 print 'y ', y
49 x = range(16)
50 indexTransformDecimationInFrequency = IndexTransformDecimationInFrequency(len(x))
51 print 'x ', x
52 indexTransformDecimationInFrequency.reverse_order(x)
53 print 'x rearranged ', x
54 y = x
55 indexTransformDecimationInFrequency.reverse_order(y)
56 print 'y ', y
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@@ -3,9 +3,17 from fft_8_decimation_in_frequency impor
3 N = 8
3 N = 8
4 scale = 0
4 scale = 0
5 fft8DecimationInFrequency = FFT8DecimationInFrequency(N, scale)
5 fft8DecimationInFrequency = FFT8DecimationInFrequency(N, scale)
6 x = range(8)
6 x = range(N)
7 fft_val = fft8DecimationInFrequency.fft(x)
7 fft_val = fft8DecimationInFrequency.fft(x)
8 dft_val = fft8DecimationInFrequency.dft(x)
8 dft_val = fft8DecimationInFrequency.dft(x)
9 print x
9 print "fft ", fft_val
10 print "fft ", fft_val
10 print "dft ", dft_val
11 print "dft ", dft_val
11
12 N = 256
13 scale = 0
14 fft16DecimationInFrequency = FFT8DecimationInFrequency(N, scale)
15 y = range(N)
16 fft_val = fft16DecimationInFrequency.fft(y)
17 dft_val = fft16DecimationInFrequency.dft(y)
18 print "fft ", fft_val
19 print "dft ", dft_val
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@@ -7,10 +7,24 class TwiddleFactors(object):
7 def __init__(self, N):
7 def __init__(self, N):
8 super (TwiddleFactors, self).__init__()
8 super (TwiddleFactors, self).__init__()
9 self.N = N
9 self.N = N
10 self.w = []
11 self.w_int = []
10
12
11 def build_twiddle_factors(self):
13 def build_twiddle_factors(self):
12 w = []
14 w = []
13 for k in range( self.N / 2 ):
15 for k in range( self.N / 2 ):
14 teta = - 2 * pi * k / self.N
16 teta = - 2 * pi * k / self.N
15 w.append( cos ( teta ) + 1j * sin( teta ) )
17 w.append( cos ( teta ) + 1j * sin( teta ) )
18 self.w = w[:]
16 return w
19 return w
20
21 def twiddle_factors_dot_vhd_generation(self):
22 print 'size of w = ', len(self.w)
23 nb_bits = 16
24 print self.w
25 for k in range( self.N / 2 ):
26 w_int_re = int(self.w[k].real * 2**(nb_bits-1))
27 w_int_im = int(self.w[k].imag * 2**(nb_bits-1))
28 self.w_int.append( w_int_re + 1j * w_int_im )
29 print self.w_int
30 pass
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