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[/] [fpu_double/] [trunk/] [fpu_double_TB.vhd] - Blame information for rev 9

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1 2 davidklun
---------------------------------------------------------------------
2
----                                                             ----
3
----  FPU                                                        ----
4
----  Floating Point Unit (Double precision)                     ----
5
----                                                             ----
6
----  Author: David Lundgren                                     ----
7
----          davidklun@gmail.com                                ----
8
----                                                             ----
9
---------------------------------------------------------------------
10
----                                                             ----
11
---- Copyright (C) 2009 David Lundgren                           ----
12
----                  davidklun@gmail.com                        ----
13
----                                                             ----
14
---- This source file may be used and distributed without        ----
15
---- restriction provided that this copyright statement is not   ----
16
---- removed from the file and that any derivative work contains ----
17
---- the original copyright notice and the associated disclaimer.----
18
----                                                             ----
19
----     THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY     ----
20
---- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   ----
21
---- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS   ----
22
---- FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR      ----
23
---- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,         ----
24
---- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    ----
25
---- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE   ----
26
---- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR        ----
27
---- BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF  ----
28
---- LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT  ----
29
---- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT  ----
30
---- OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE         ----
31
---- POSSIBILITY OF SUCH DAMAGE.                                 ----
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----                                                             ----
33
---------------------------------------------------------------------
34
 
35
library ieee;
36
use work.fpupack.all;
37
use work.comppack.all;
38
use ieee.std_logic_misc.all;
39
use ieee.std_logic_unsigned.all;
40
use ieee.std_logic_arith.all;
41
use ieee.std_logic_1164.all;
42
 
43
 
44
entity fpu_double_tb is
45
end fpu_double_tb;
46
 
47
architecture TB_ARCHITECTURE of fpu_double_tb is
48
 
49
        component fpu_double
50
        port(
51
                clk : in std_logic;
52
                rst : in std_logic;
53
                enable : in std_logic;
54
                rmode : in std_logic_vector(1 downto 0);
55
                fpu_op : in std_logic_vector(2 downto 0);
56
                opa : in std_logic_vector(63 downto 0);
57
                opb : in std_logic_vector(63 downto 0);
58
                out_fp : out std_logic_vector(63 downto 0);
59
                ready : out std_logic;
60
                underflow : out std_logic;
61
                overflow : out std_logic;
62
                inexact : out std_logic;
63
                exception : out std_logic;
64
                invalid : out std_logic );
65
        end component;
66
 
67
        signal clk : std_logic;
68
        signal rst : std_logic;
69
        signal enable : std_logic;
70
        signal rmode : std_logic_vector(1 downto 0);
71
        signal fpu_op : std_logic_vector(2 downto 0);
72
        signal opa : std_logic_vector(63 downto 0);
73
        signal opb : std_logic_vector(63 downto 0);
74
        signal out_fp : std_logic_vector(63 downto 0);
75
 
76
        signal ready : std_logic;
77
        signal underflow : std_logic;
78
        signal overflow : std_logic;
79
        signal inexact : std_logic;
80
        signal exception : std_logic;
81
        signal invalid : std_logic;
82
 
83
        signal END_SIM: BOOLEAN:=FALSE;
84
        signal out_fp1 : std_logic_vector(63 downto 0);
85
 
86
 
87
begin
88
        out_fp1 <= out_fp;
89
        UUT : fpu_double
90
                port map (
91
                        clk => clk,
92
                        rst => rst,
93
                        enable => enable,
94
                        rmode => rmode,
95
                        fpu_op => fpu_op,
96
                        opa => opa,
97
                        opb => opb,
98
                        out_fp => out_fp,
99
                        ready => ready,
100
                        underflow => underflow,
101
                        overflow => overflow,
102
                        inexact => inexact,
103
                        exception => exception,
104
                        invalid => invalid
105
                );
106
 
107
 
108
STIMULUS: process
109
begin
110
 
111
 
112
 
113
        rst <= '1';
114
    wait for 20 ns;
115
        rst <= '0';
116
--inputA:4.0000000000e+000
117
--inputB:-4.0000000000e+000
118
enable <= '1';
119
opa <= "0100000000010000000000000000000000000000000000000000000000000000";
120
opb <= "1100000000010000000000000000000000000000000000000000000000000000";
121
fpu_op <= "000";
122
rmode <= "10";
123
wait for 20ns;
124
enable <= '0';
125
wait for 800 ns;
126
--Output:0.000000000000000e+000
127
-- out_fp = 0000000000000000
128
--inputA:3.0000000000e-312
129
--inputB:1.0000000000e-025
130
enable <= '1';
131
opa <= "0000000000000000000000001000110101100000010101111101110111110010";
132
opb <= "0011101010111110111100101101000011110101110110100111110111011001";
133
fpu_op <= "011";
134
rmode <= "10";
135
wait for 20ns;
136
enable <= '0';
137
wait for 800 ns;
138
--Output:3.000000000000337e-287
139
-- out_fp = 047245C02F8B68C5
140
--inputA:4.0000000000e-304
141
--inputB:2.0000000000e-007
142
enable <= '1';
143
opa <= "0000000011110001100011100011101110011011001101110100000101101001";
144
opb <= "0011111010001010110101111111001010011010101111001010111101001000";
145
fpu_op <= "010";
146
rmode <= "00";
147
wait for 20ns;
148
enable <= '0';
149
wait for 800 ns;
150
--Output:8.000000000000074e-311
151
-- out_fp = 00000EBA09271E89
152
--inputA:3.4445600000e+002
153
--inputB:3.4445599000e+002
154
enable <= '1';
155
opa <= "0100000001110101100001110100101111000110101001111110111110011110";
156
opb <= "0100000001110101100001110100101110111100001010111001010011011001";
157
fpu_op <= "001";
158
rmode <= "00";
159
wait for 20ns;
160
enable <= '0';
161
wait for 800 ns;
162
--Output:1.000000003159585e-005
163
-- out_fp = 3EE4F8B58A000000
164
--inputA:-8.8899000000e+002
165
--inputB:7.8898020000e+002
166
enable <= '1';
167
opa <= "1100000010001011110001111110101110000101000111101011100001010010";
168
opb <= "0100000010001000101001111101011101110011000110001111110001010000";
169
fpu_op <= "000";
170
rmode <= "11";
171
wait for 20ns;
172
enable <= '0';
173
wait for 800 ns;
174
--Output:-1.000098000000000e+002
175
-- out_fp = C05900A0902DE010
176
--inputA:4.5600000000e+002
177
--inputB:2.3700000000e+001
178
enable <= '1';
179
opa <= "0100000001111100100000000000000000000000000000000000000000000000";
180
opb <= "0100000000110111101100110011001100110011001100110011001100110011";
181
fpu_op <= "011";
182
rmode <= "00";
183
wait for 20ns;
184
enable <= '0';
185
wait for 800 ns;
186
--Output:1.924050632911392e+001
187
-- out_fp = 40333D91D2A2067B
188
--inputA:4.9990000000e+003
189
--inputB:0.0000000000e+000
190
enable <= '1';
191
opa <= "0100000010110011100001110000000000000000000000000000000000000000";
192
opb <= "0000000000000000000000000000000000000000000000000000000000000000";
193
fpu_op <= "010";
194
rmode <= "10";
195
wait for 20ns;
196
enable <= '0';
197
wait for 800 ns;
198
--Output:0.000000000000000e+000
199
-- out_fp = 0000000000000000
200
--inputA:-9.8883300000e+005
201
--inputB:4.4444440000e+006
202
enable <= '1';
203
opa <= "1100000100101110001011010100001000000000000000000000000000000000";
204
opb <= "0100000101010000111101000100011100000000000000000000000000000000";
205
fpu_op <= "001";
206
rmode <= "10";
207
wait for 20ns;
208
enable <= '0';
209
wait for 800 ns;
210
--Output:-5.433277000000000e+006
211
-- out_fp = C154B9EF40000000
212
--inputA:-4.8000000000e-311
213
--inputB:4.0000000000e-050
214
enable <= '1';
215
opa <= "1000000000000000000010001101011000000101011111011101111100011111";
216
opb <= "0011010110101101111011100111101001001010110101001011100000011111";
217
fpu_op <= "011";
218
rmode <= "00";
219
wait for 20ns;
220
enable <= '0';
221
wait for 800 ns;
222
--Output:-1.200000000000011e-261
223
-- out_fp = 89C2E4AE4EAE705E
224
--inputA:1.9500000000e-308
225
--inputB:1.8800000000e-308
226
enable <= '1';
227
opa <= "0000000000001110000001011010001000110110111111110101001011001101";
228
opb <= "0000000000001101100001001100011001100110111010010000011110011111";
229
fpu_op <= "000";
230
rmode <= "10";
231
wait for 20ns;
232
enable <= '0';
233
wait for 800 ns;
234
--Output:3.830000000000000e-308
235
-- out_fp = 001B8A689DE85A6C
236
--inputA:-3.0000000000e-309
237
--inputB:9.0000000000e+100
238
enable <= '1';
239
opa <= "1000000000000010001010000100000001010111001110101111100100001100";
240
opb <= "0101010011100100100100101110001011001010010001110101101111101101";
241
fpu_op <= "010";
242
rmode <= "11";
243
wait for 20ns;
244
enable <= '0';
245
wait for 800 ns;
246
--Output:-2.700000000000001e-208
247
-- out_fp = 94D630F25FC26702
248
--inputA:3.0000000000e-308
249
--inputB:2.9900000000e-308
250
enable <= '1';
251
opa <= "0000000000010101100100101000001101101000010011011011101001110111";
252
opb <= "0000000000010101100000000001101011011100110111001101010001001011";
253
fpu_op <= "001";
254
rmode <= "10";
255
wait for 20ns;
256
enable <= '0';
257
wait for 800 ns;
258
--Output:1.000000000000046e-310
259
-- out_fp = 000012688B70E62C
260
--inputA:-9.0000000000e-300
261
--inputB:5.0000000000e+100
262
enable <= '1';
263
opa <= "1000000111011000000110111110001110111011010110000001000111000100";
264
opb <= "0101010011010110110111000001100001101110111110011111010001011100";
265
fpu_op <= "011";
266
rmode <= "11";
267
wait for 20ns;
268
enable <= '0';
269
wait for 800 ns;
270
--Output:-4.940656458412465e-324
271
-- out_fp = 8000000000000001
272
--inputA:4.0000000000e+100
273
--inputB:3.0000000000e-090
274
enable <= '1';
275
opa <= "0101010011010010010010011010110100100101100101001100001101111101";
276
opb <= "0010110101011000011100011100011001000110111001011001010110100111";
277
fpu_op <= "010";
278
rmode <= "10";
279
wait for 20ns;
280
enable <= '0';
281
wait for 800 ns;
282
--Output:1.200000000000000e+011
283
-- out_fp = 423BF08EB0000001
284
--inputA:-9.9000000000e-002
285
--inputB:4.0220000000e+001
286
enable <= '1';
287
opa <= "1011111110111001010110000001000001100010010011011101001011110010";
288
opb <= "0100000001000100000111000010100011110101110000101000111101011100";
289
fpu_op <= "000";
290
rmode <= "11";
291
wait for 20ns;
292
enable <= '0';
293
wait for 800 ns;
294
--Output:4.012100000000000e+001
295
-- out_fp = 40440F7CED916872
296
--inputA:9.0770000000e+001
297
--inputB:-2.0330000000e+001
298
enable <= '1';
299
opa <= "0100000001010110101100010100011110101110000101000111101011100001";
300
opb <= "1100000000110100010101000111101011100001010001111010111000010100";
301
fpu_op <= "000";
302
rmode <= "00";
303
wait for 20ns;
304
enable <= '0';
305
wait for 800 ns;
306
--Output:7.044000000000000e+001
307
-- out_fp = 40519C28F5C28F5C
308
--inputA:4.9077000000e+002
309
--inputB:-3.4434000000e+002
310
enable <= '1';
311
opa <= "0100000001111110101011000101000111101011100001010001111010111000";
312
opb <= "1100000001110101100001010111000010100011110101110000101000111101";
313
fpu_op <= "001";
314
rmode <= "00";
315
wait for 20ns;
316
enable <= '0';
317
wait for 800 ns;
318
--Output:8.351100000000000e+002
319
-- out_fp = 408A18E147AE147B
320
--inputA:9.0000000000e+034
321
--inputB:2.7700000000e+000
322
enable <= '1';
323
opa <= "0100011100110001010101010101011110110100000110011100010111000010";
324
opb <= "0100000000000110001010001111010111000010100011110101110000101001";
325
fpu_op <= "011";
326
rmode <= "00";
327
wait for 20ns;
328
enable <= '0';
329
wait for 800 ns;
330
--Output:3.249097472924188e+034
331
-- out_fp = 471907B705EBEABE
332
--inputA:3.9999999989e-315
333
--inputB:1.0000000000e-002
334
enable <= '1';
335
opa <= "0000000000000000000000000000000000110000010000011010011100110101";
336
opb <= "0011111110000100011110101110000101000111101011100001010001111011";
337
fpu_op <= "010";
338
rmode <= "10";
339
wait for 20ns;
340
enable <= '0';
341
wait for 800 ns;
342
--Output:4.000000428704504e-317
343
-- out_fp = 00000000007B895B
344
--inputA:-9.0000000000e+003
345
--inputB:8.0000000000e+003
346
enable <= '1';
347
opa <= "1100000011000001100101000000000000000000000000000000000000000000";
348
opb <= "0100000010111111010000000000000000000000000000000000000000000000";
349
fpu_op <= "011";
350
rmode <= "00";
351
wait for 20ns;
352
enable <= '0';
353
wait for 800 ns;
354
--Output:-1.125000000000000e+000
355
-- out_fp = BFF2000000000000
356
--inputA:9.8440000000e+003
357
--inputB:0.0000000000e+000
358
enable <= '1';
359
opa <= "0100000011000011001110100000000000000000000000000000000000000000";
360
opb <= "0000000000000000000000000000000000000000000000000000000000000000";
361
fpu_op <= "011";
362
rmode <= "10";
363
wait for 20ns;
364
enable <= '0';
365
wait for 800 ns;
366
--Output:1.#INF00000000000e+000
367
-- out_fp = 7FF0000000000000
368
--inputA:4.4440000000e+002
369
--inputB:-8.8800000000e+002
370
enable <= '1';
371
opa <= "0100000001111011110001100110011001100110011001100110011001100110";
372
opb <= "1100000010001011110000000000000000000000000000000000000000000000";
373
fpu_op <= "001";
374
rmode <= "10";
375
wait for 20ns;
376
enable <= '0';
377
wait for 800 ns;
378
--Output:1.332400000000000e+003
379
-- out_fp = 4094D1999999999A
380
--inputA:3.0000000000e-309
381
--inputB:3.0000000000e+080
382
enable <= '1';
383
opa <= "0000000000000010001010000100000001010111001110101111100100001100";
384
opb <= "0101000010100100001111011011001101111101011101001011110010000111";
385
fpu_op <= "011";
386
rmode <= "00";
387
wait for 20ns;
388
enable <= '0';
389
wait for 800 ns;
390
--Output:0.000000000000000e+000
391
-- out_fp = 0000000000000000
392
--inputA:4.9900000000e+002
393
--inputB:-3.3000000000e-003
394
enable <= '1';
395
opa <= "0100000001111111001100000000000000000000000000000000000000000000";
396
opb <= "1011111101101011000010001001101000000010011101010010010101000110";
397
fpu_op <= "010";
398
rmode <= "11";
399
wait for 20ns;
400
enable <= '0';
401
wait for 800 ns;
402
--Output:-1.646700000000000e+000
403
-- out_fp = BFFA58E219652BD4
404
--inputA:9.0000000000e+034
405
--inputB:4.0000000000e+023
406
enable <= '1';
407
opa <= "0100011100110001010101010101011110110100000110011100010111000010";
408
opb <= "0100010011010101001011010000001011000111111000010100101011110110";
409
fpu_op <= "000";
410
rmode <= "10";
411
wait for 20ns;
412
enable <= '0';
413
wait for 800 ns;
414
--Output:9.000000000040000e+034
415
-- out_fp = 47315557B41A1A76
416
--inputA:4.0000000000e+080
417
--inputB:3.0000000000e-002
418
enable <= '1';
419
opa <= "0101000010101010111111001110111101010001111100001111101101011111";
420
opb <= "0011111110011110101110000101000111101011100001010001111010111000";
421
fpu_op <= "000";
422
rmode <= "10";
423
wait for 20ns;
424
enable <= '0';
425
wait for 800 ns;
426
--Output:4.000000000000001e+080
427
-- out_fp = 50AAFCEF51F0FB60
428
--inputA:-5.4770000000e+000
429
--inputB:-8.9990000000e+000
430
enable <= '1';
431
opa <= "1100000000010101111010000111001010110000001000001100010010011100";
432
opb <= "1100000000100001111111110111110011101101100100010110100001110011";
433
fpu_op <= "011";
434
rmode <= "10";
435
wait for 20ns;
436
enable <= '0';
437
wait for 800 ns;
438
--Output:6.086231803533726e-001
439
-- out_fp = 3FE379D751E6915E
440
--inputA:-7.7000000000e+001
441
--inputB:-8.8400000000e+001
442
enable <= '1';
443
opa <= "1100000001010011010000000000000000000000000000000000000000000000";
444
opb <= "1100000001010110000110011001100110011001100110011001100110011010";
445
fpu_op <= "010";
446
rmode <= "10";
447
wait for 20ns;
448
enable <= '0';
449
wait for 800 ns;
450
--Output:6.806800000000001e+003
451
-- out_fp = 40BA96CCCCCCCCCE
452
--inputA:4.0000000000e+009
453
--inputB:3.0000000000e+008
454
enable <= '1';
455
opa <= "0100000111101101110011010110010100000000000000000000000000000000";
456
opb <= "0100000110110001111000011010001100000000000000000000000000000000";
457
fpu_op <= "011";
458
rmode <= "00";
459
wait for 20ns;
460
enable <= '0';
461
wait for 800 ns;
462
--Output:1.333333333333333e+001
463
-- out_fp = 402AAAAAAAAAAAAB
464
--inputA:9.0000000000e-311
465
--inputB:8.0000000000e-311
466
enable <= '1';
467
opa <= "0000000000000000000100001001000101001010010011000000001001011010";
468
opb <= "0000000000000000000011101011101000001001001001110001111010001001";
469
fpu_op <= "000";
470
rmode <= "00";
471
wait for 20ns;
472
enable <= '0';
473
wait for 800 ns;
474
--Output:1.700000000000010e-310
475
-- out_fp = 00001F4B537320E3
476
--inputA:1.9999777344e-320
477
--inputB:5.0000000000e+099
478
enable <= '1';
479
opa <= "0000000000000000000000000000000000000000000000000000111111010000";
480
opb <= "0101010010100010010010011010110100100101100101001100001101111101";
481
fpu_op <= "010";
482
rmode <= "10";
483
wait for 20ns;
484
enable <= '0';
485
wait for 800 ns;
486
--Output:9.999888671826831e-221
487
-- out_fp = 124212D01E240533
488
--inputA:4.4444000000e+004
489
--inputB:3.3000000000e+001
490
enable <= '1';
491
opa <= "0100000011100101101100111000000000000000000000000000000000000000";
492
opb <= "0100000001000000100000000000000000000000000000000000000000000000";
493
fpu_op <= "011";
494
rmode <= "00";
495
wait for 20ns;
496
enable <= '0';
497
wait for 800 ns;
498
--Output:1.346787878787879e+003
499
-- out_fp = 40950B26C9B26C9B
500
--inputA:9.7730000000e+000
501
--inputB:9.7720000000e+000
502
enable <= '1';
503
opa <= "0100000000100011100010111100011010100111111011111001110110110010";
504
opb <= "0100000000100011100010110100001110010101100000010000011000100101";
505
fpu_op <= "011";
506
rmode <= "00";
507
wait for 20ns;
508
enable <= '0';
509
wait for 800 ns;
510
--Output:1.000102333196889e+000
511
-- out_fp = 3FF0006B4DDBBE31
512
--inputA:8.3345700000e+003
513
--inputB:1.0000000000e+000
514
enable <= '1';
515
opa <= "0100000011000000010001110100100011110101110000101000111101011100";
516
opb <= "0011111111110000000000000000000000000000000000000000000000000000";
517
fpu_op <= "010";
518
rmode <= "00";
519
wait for 20ns;
520
enable <= '0';
521
wait for 800 ns;
522
--Output:8.334570000000000e+003
523
-- out_fp = 40C04748F5C28F5C
524
--inputA:-1.0000000000e+000
525
--inputB:5.8990000000e+003
526
enable <= '1';
527
opa <= "1011111111110000000000000000000000000000000000000000000000000000";
528
opb <= "0100000010110111000010110000000000000000000000000000000000000000";
529
fpu_op <= "010";
530
rmode <= "11";
531
wait for 20ns;
532
enable <= '0';
533
wait for 800 ns;
534
--Output:-5.899000000000000e+003
535
-- out_fp = C0B70B0000000000
536
--inputA:6.1000000000e+000
537
--inputB:-6.0990000000e+000
538
enable <= '1';
539
opa <= "0100000000011000011001100110011001100110011001100110011001100110";
540
opb <= "1100000000011000011001010110000001000001100010010011011101001100";
541
fpu_op <= "000";
542
rmode <= "10";
543
wait for 20ns;
544
enable <= '0';
545
wait for 800 ns;
546
--Output:9.999999999994458e-004
547
-- out_fp = 3F50624DD2F1A000
548
--inputA:3.0000000000e-300
549
--inputB:3.0000000000e-015
550
enable <= '1';
551
opa <= "0000000111000000000100101001011111010010001110101011011010000011";
552
opb <= "0011110011101011000001011000011101101110010110110000000100100000";
553
fpu_op <= "010";
554
rmode <= "00";
555
wait for 20ns;
556
enable <= '0';
557
wait for 800 ns;
558
--Output:9.000000001157124e-315
559
-- out_fp = 000000006C93B838
560
--inputA:-9.0000000000e+088
561
--inputB:4.0000000000e+084
562
enable <= '1';
563
opa <= "1101001001100110100111110000000010010101111101001101000000000000";
564
opb <= "0101000110000000011110001110000100010001110000110101010101101101";
565
fpu_op <= "000";
566
rmode <= "00";
567
wait for 20ns;
568
enable <= '0';
569
wait for 800 ns;
570
--Output:-8.999600000000000e+088
571
-- out_fp = D2669EBEB27088F3
572
--inputA:6.6210000000e+001
573
--inputB:6.9892000000e+001
574
enable <= '1';
575
opa <= "0100000001010000100011010111000010100011110101110000101000111101";
576
opb <= "0100000001010001011110010001011010000111001010110000001000001100";
577
fpu_op <= "011";
578
rmode <= "00";
579
wait for 20ns;
580
enable <= '0';
581
wait for 800 ns;
582
--Output:9.473187203113375e-001
583
-- out_fp = 3FEE506F59540645
584
--inputA:-5.0000000000e-309
585
--inputB:4.0000000000e-310
586
enable <= '1';
587
opa <= "1000000000000011100110000110101100111100000011001111010001101001";
588
opb <= "0000000000000000010010011010001000101101110000111001100010101100";
589
fpu_op <= "000";
590
rmode <= "11";
591
wait for 20ns;
592
enable <= '0';
593
wait for 800 ns;
594
--Output:-4.600000000000001e-309
595
-- out_fp = 80034EC90E495BBD
596
--inputA:8.8000000000e+001
597
--inputB:0.0000000000e+000
598
enable <= '1';
599
opa <= "0100000001010110000000000000000000000000000000000000000000000000";
600
opb <= "0000000000000000000000000000000000000000000000000000000000000000";
601
fpu_op <= "011";
602
rmode <= "01";
603
wait for 20ns;
604
enable <= '0';
605
wait for 800 ns;
606
--Output:1.#INF00000000000e+000
607
-- out_fp = 7FEFFFFFFFFFFFFF
608
--inputA:4.5570000000e+002
609
--inputB:3.4229100000e+003
610
enable <= '1';
611
opa <= "0100000001111100011110110011001100110011001100110011001100110011";
612
opb <= "0100000010101010101111011101000111101011100001010001111010111000";
613
fpu_op <= "000";
614
rmode <= "01";
615
wait for 20ns;
616
enable <= '0';
617
wait for 800 ns;
618
--Output:3.878610000000000e+003
619
-- out_fp = 40AE4D3851EB851E
620
--inputA:9.9440000000e+003
621
--inputB:2.3000000000e+001
622
enable <= '1';
623
opa <= "0100000011000011011011000000000000000000000000000000000000000000";
624
opb <= "0100000000110111000000000000000000000000000000000000000000000000";
625
fpu_op <= "011";
626
rmode <= "01";
627
wait for 20ns;
628
enable <= '0';
629
wait for 800 ns;
630
--Output:4.323478260869565e+002
631
-- out_fp = 407B0590B21642C8
632
--inputA:-9.0054400000e+005
633
--inputB:-3.4445500000e+005
634
enable <= '1';
635
opa <= "1100000100101011011110111000000000000000000000000000000000000000";
636
opb <= "1100000100010101000001100001110000000000000000000000000000000000";
637
fpu_op <= "001";
638
rmode <= "01";
639
wait for 20ns;
640
enable <= '0';
641
wait for 800 ns;
642
--Output:-5.560890000000000e+005
643
-- out_fp = C120F87200000000
644
--inputA:5.5500000000e-002
645
--inputB:3.2444400000e+005
646
enable <= '1';
647
opa <= "0011111110101100011010100111111011111001110110110010001011010001";
648
opb <= "0100000100010011110011010111000000000000000000000000000000000000";
649
fpu_op <= "011";
650
rmode <= "00";
651
wait for 20ns;
652
enable <= '0';
653
wait for 800 ns;
654
--Output:1.710618781669564e-007
655
-- out_fp = 3E86F5A431628F6D
656
--inputA:1.2330000000e+000
657
--inputB:1.5666600000e+000
658
enable <= '1';
659
opa <= "0011111111110011101110100101111000110101001111110111110011101110";
660
opb <= "0011111111111001000100010000101000010011011111110011100011000101";
661
fpu_op <= "010";
662
rmode <= "10";
663
wait for 20ns;
664
enable <= '0';
665
wait for 800 ns;
666
--Output:1.931691780000000e+000
667
-- out_fp = 3FFEE835A3D0D51B
668
--inputA:9.7770000000e-001
669
--inputB:3.0000000000e+099
670
enable <= '1';
671
opa <= "0011111111101111010010010101000110000010101010011001001100001100";
672
opb <= "0101010010010101111100100000001011111001111001011011011101100011";
673
fpu_op <= "011";
674
rmode <= "00";
675
wait for 20ns;
676
enable <= '0';
677
wait for 800 ns;
678
--Output:3.259000000000000e-100
679
-- out_fp = 2B46CF7665DCED50
680
--inputA:4.4000000000e+007
681
--inputB:6.0000000000e+002
682
enable <= '1';
683
opa <= "0100000110000100111110110001100000000000000000000000000000000000";
684
opb <= "0100000010000010110000000000000000000000000000000000000000000000";
685
fpu_op <= "010";
686
rmode <= "00";
687
wait for 20ns;
688
enable <= '0';
689
wait for 800 ns;
690
--Output:2.640000000000000e+010
691
-- out_fp = 4218964020000000
692
--inputA:3.9800000000e+000
693
--inputB:3.7700000000e+000
694
enable <= '1';
695
opa <= "0100000000001111110101110000101000111101011100001010001111010111";
696
opb <= "0100000000001110001010001111010111000010100011110101110000101001";
697
fpu_op <= "000";
698
rmode <= "01";
699
wait for 20ns;
700
enable <= '0';
701
wait for 800 ns;
702
--Output:7.750000000000000e+000
703
-- out_fp = 401F000000000000
704
--inputA:8.0400000000e+000
705
--inputB:8.0395700000e+000
706
enable <= '1';
707
opa <= "0100000000100000000101000111101011100001010001111010111000010100";
708
opb <= "0100000000100000000101000100001010000100110111111100111000110001";
709
fpu_op <= "001";
710
rmode <= "01";
711
wait for 20ns;
712
enable <= '0';
713
wait for 800 ns;
714
--Output:4.299999999997084e-004
715
-- out_fp = 3F3C2E33EFF18000
716
 
717
 
718
        END_SIM <= TRUE;
719
 
720
        wait;
721
end process;
722
 
723
CLOCK_clk : process
724
begin
725
 
726
        if END_SIM = FALSE then
727
                clk <= '0';
728
                wait for 5 ns;
729
        else
730
                wait;
731
        end if;
732
        if END_SIM = FALSE then
733
                clk <= '1';
734
                wait for 5 ns;
735
        else
736
                wait;
737
        end if;
738
end process;
739
 
740
 
741
 
742
end TB_ARCHITECTURE;
743
 
744
configuration TESTBENCH_FOR_fpu_double of fpu_double_tb is
745
        for TB_ARCHITECTURE
746
                for UUT : fpu_double
747
                        use entity work.fpu_double(rtl);
748
                end for;
749
        end for;
750
end TESTBENCH_FOR_fpu_double;
751
 

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