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comparison test/test_compare.h @ 2:f12b5dd4e18c

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*: many new operations and a real test suite
author Paper <paper@tflc.us>
date Tue, 22 Oct 2024 22:39:05 -0400
parents
children 75ab77f874e2
comparison
equal deleted inserted replaced
1:1d9d2308c1d2 2:f12b5dd4e18c
1 #define CREATE_TEST(sign, psign, bits, size, op, equiv) \
2 static int test_compare_v##sign##int##bits##x##size##_##op(v##sign##int##bits##x##size a, v##sign##int##bits##x##size b) \
3 { \
4 sign##int##bits##_t orig_a[size], orig_b[size], orig_c[size]; \
5 \
6 v##sign##int##bits##x##size c = v##sign##int##bits##x##size##_##op(a, b); \
7 \
8 v##sign##int##bits##x##size##_store(a, orig_a); \
9 v##sign##int##bits##x##size##_store(b, orig_b); \
10 v##sign##int##bits##x##size##_store(c, orig_c); \
11 \
12 for (int i = 0; i < size; i++) { \
13 if ((sign##int##bits##_t)(((equiv) ? UINT##bits##_MAX : 0)) != orig_c[i]) { \
14 fprintf(stderr, "v" #sign "int" #bits "x" #size "_" #op " test FAILED at index %d: (" #equiv ") [%" PRI ## psign ## bits "] does not equal result [%" PRI ## psign ## bits "]!\n", i, equiv, orig_c[i]); \
15 print_v##sign##int##bits##x##size(stderr,a); \
16 print_v##sign##int##bits##x##size(stderr,b); \
17 print_v##sign##int##bits##x##size(stderr,c); \
18 fprintf(stderr, "\n"); \
19 return 1; \
20 } \
21 } \
22 \
23 return 0; \
24 }
25
26 #define CREATE_TESTS(sign, psign, bits, size) \
27 CREATE_TEST(sign, psign, bits, size, cmplt, orig_a[i] < orig_b[i]) \
28 CREATE_TEST(sign, psign, bits, size, cmpgt, orig_a[i] > orig_b[i]) \
29 CREATE_TEST(sign, psign, bits, size, cmpeq, orig_a[i] == orig_b[i]) \
30 CREATE_TEST(sign, psign, bits, size, cmple, orig_a[i] <= orig_b[i]) \
31 CREATE_TEST(sign, psign, bits, size, cmpge, orig_a[i] >= orig_b[i])
32
33 #define CREATE_TESTS_2(bits, size) CREATE_TESTS(, d, bits, size) CREATE_TESTS(u, u, bits, size)
34
35 CREATE_TESTS_2(8, 16)
36 CREATE_TESTS_2(16, 8)
37 CREATE_TESTS_2(32, 4)
38 CREATE_TESTS_2(64, 2)
39
40 #undef CREATE_TESTS_2
41 #undef CREATE_TESTS
42 #undef CREATE_TEST
43
44 static int test_compare(void)
45 {
46 int ret = 0;
47
48 #define RUN_TESTS(sign, bits, size) \
49 for (size_t i = 0U; i < ARRAY_SIZE(testval##sign##bits); i++) { \
50 const v##sign##int##bits##x##size a = vtest##sign##bits##x##size(i); \
51 for (size_t j = 0U; j < ARRAY_SIZE(testval##sign##bits); j++) { \
52 const v##sign##int##bits##x##size b = vtest##sign##bits##x##size(j); \
53 ret |= test_compare_v##sign##int##bits##x##size##_cmplt(a, b); \
54 ret |= test_compare_v##sign##int##bits##x##size##_cmpgt(a, b); \
55 ret |= test_compare_v##sign##int##bits##x##size##_cmpeq(a, b); \
56 ret |= test_compare_v##sign##int##bits##x##size##_cmple(a, b); \
57 ret |= test_compare_v##sign##int##bits##x##size##_cmpge(a, b); \
58 } \
59 }
60
61 #define RUN_TESTS_2(bits, size) RUN_TESTS(, bits, size) RUN_TESTS(u, bits, size)
62
63 RUN_TESTS_2(8, 16)
64 RUN_TESTS_2(16, 8)
65 RUN_TESTS_2(32, 4)
66 RUN_TESTS_2(64, 2)
67
68 #undef RUN_TESTS_2
69 #undef RUN_TESTS
70
71 return ret;
72 }