1 from nmigen
import Module
, Signal
2 from nmigen
.compat
.sim
import run_simulation
3 from operator
import add
5 from nmigen_add_experiment
import FPADD
9 from random
import randint
10 from random
import seed
12 from unit_test_double
import (get_mantissa
, get_exponent
, get_sign
, is_nan
,
13 is_inf
, is_pos_inf
, is_neg_inf
,
14 match
, get_case
, check_case
, run_test
)
18 yield from check_case(dut
, 0, 0, 0)
19 yield from check_case(dut
, 0x3FF0000000000000, 0x4000000000000000,
21 yield from check_case(dut
, 0x4000000000000000, 0x3FF0000000000000,
23 yield from check_case(dut
, 0x4056C00000000000, 0x4042800000000000,
25 yield from check_case(dut
, 0x4056C00000000000, 0x4042EA3D70A3D70A,
31 stimulus_a
= [0x3ff00000000000c5, 0xff80000000000000]
32 stimulus_b
= [0xbd28a404211fb72b, 0x7f80000000000000]
33 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
34 count
+= len(stimulus_a
)
35 print (count
, "vectors passed")
38 from itertools
import permutations
39 stimulus_a
= [i
[0] for i
in permutations([
47 stimulus_b
= [i
[1] for i
in permutations([
55 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
56 count
+= len(stimulus_a
)
57 print (count
, "vectors passed")
60 stimulus_a
= [0x8000000000000000 for i
in range(1000)]
61 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
62 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
63 count
+= len(stimulus_a
)
64 print (count
, "vectors passed")
66 stimulus_a
= [0x0000000000000000 for i
in range(1000)]
67 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
68 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
69 count
+= len(stimulus_a
)
70 print (count
, "vectors passed")
72 stimulus_b
= [0x8000000000000000 for i
in range(1000)]
73 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
74 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
75 count
+= len(stimulus_a
)
76 print (count
, "vectors passed")
78 stimulus_b
= [0x0000000000000000 for i
in range(1000)]
79 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
80 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
81 count
+= len(stimulus_a
)
82 print (count
, "vectors passed")
84 stimulus_a
= [0x7FF8000000000000 for i
in range(1000)]
85 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
86 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
87 count
+= len(stimulus_a
)
88 print (count
, "vectors passed")
90 stimulus_a
= [0xFFF8000000000000 for i
in range(1000)]
91 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
92 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
93 count
+= len(stimulus_a
)
94 print (count
, "vectors passed")
96 stimulus_b
= [0x7FF8000000000000 for i
in range(1000)]
97 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
98 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
99 count
+= len(stimulus_a
)
100 print (count
, "vectors passed")
102 stimulus_b
= [0xFFF8000000000000 for i
in range(1000)]
103 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
104 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
105 count
+= len(stimulus_a
)
106 print (count
, "vectors passed")
108 stimulus_a
= [0x7FF0000000000000 for i
in range(1000)]
109 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
110 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
111 count
+= len(stimulus_a
)
112 print (count
, "vectors passed")
114 stimulus_a
= [0xFFF0000000000000 for i
in range(1000)]
115 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
116 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
117 count
+= len(stimulus_a
)
118 print (count
, "vectors passed")
120 stimulus_b
= [0x7FF0000000000000 for i
in range(1000)]
121 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
122 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
123 count
+= len(stimulus_a
)
124 print (count
, "vectors passed")
126 stimulus_b
= [0xFFF0000000000000 for i
in range(1000)]
127 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
128 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
129 count
+= len(stimulus_a
)
130 print (count
, "vectors passed")
133 for i
in range(100000):
134 stimulus_a
= [randint(0, 1<<64) for i
in range(1000)]
135 stimulus_b
= [randint(0, 1<<64) for i
in range(1000)]
136 yield from run_test(dut
, stimulus_a
, stimulus_b
, add
)
138 print (count
, "random vectors passed")
141 if __name__
== '__main__':
142 dut
= FPADD(width
=64, single_cycle
=True)
143 run_simulation(dut
, testbench(dut
), vcd_name
="test_add64.vcd")