1 | #include <float.h> |
2 | #include <math.h> |
3 | #include <stdio.h> |
4 | #include <string.h> |
5 | |
6 | static int |
7 | do_test (void) |
8 | { |
9 | #if LDBL_MANT_DIG >= 106 |
10 | volatile union { long double l; long long x[2]; } u, v; |
11 | char buf[64]; |
12 | #endif |
13 | int result = 0; |
14 | |
15 | #if LDBL_MANT_DIG == 106 || LDBL_MANT_DIG == 113 |
16 | # define COMPARE_LDBL(u, v) \ |
17 | ((u).l == (v).l && (u).x[0] == (v).x[0] && (u).x[1] == (v).x[1]) |
18 | #else |
19 | # define COMPARE_LDBL(u, v) ((u).l == (v).l) |
20 | #endif |
21 | |
22 | #define TEST(val) \ |
23 | do \ |
24 | { \ |
25 | u.l = (val); \ |
26 | snprintf (buf, sizeof buf, "%LaL", u.l); \ |
27 | if (strcmp (buf, #val) != 0) \ |
28 | { \ |
29 | printf ("Error on line %d: %s != %s\n", __LINE__, buf, #val); \ |
30 | result = 1; \ |
31 | } \ |
32 | if (sscanf (#val, "%La", &v.l) != 1 || !COMPARE_LDBL (u, v)) \ |
33 | { \ |
34 | printf ("Error sscanf on line %d: %La != %La\n", __LINE__, \ |
35 | u.l, v.l); \ |
36 | result = 1; \ |
37 | } \ |
38 | /* printf ("%s %La %016Lx %016Lx\n", #val, u.l, u.x[0], u.x[1]); */ \ |
39 | } \ |
40 | while (0) |
41 | |
42 | #if LDBL_MANT_DIG >= 106 |
43 | # if LDBL_MANT_DIG == 106 |
44 | TEST (0x0.ffffffffffffp-1022L); |
45 | TEST (0x0.ffffffffffff1p-1022L); |
46 | TEST (0x0.fffffffffffffp-1022L); |
47 | # endif |
48 | TEST (0x1p-1022L); |
49 | TEST (0x1.0000000000001p-1022L); |
50 | TEST (0x1.00000000001e7p-1022L); |
51 | TEST (0x1.fffffffffffffp-1022L); |
52 | TEST (0x1p-1021L); |
53 | TEST (0x1.00000000000008p-1021L); |
54 | TEST (0x1.0000000000001p-1021L); |
55 | TEST (0x1.00000000000018p-1021L); |
56 | TEST (0x1.0000000000000f8p-1017L); |
57 | TEST (0x1.0000000000001p-1017L); |
58 | TEST (0x1.000000000000108p-1017L); |
59 | TEST (0x1.000000000000dcf8p-1013L); |
60 | TEST (0x1.000000000000ddp-1013L); |
61 | TEST (0x1.000000000000dd08p-1013L); |
62 | TEST (0x1.ffffffffffffffffffffffffffp-1L); |
63 | TEST (0x1.ffffffffffffffffffffffffff8p-1L); |
64 | TEST (0x1p+0L); |
65 | TEST (0x1.000000000000000000000000008p+0L); |
66 | TEST (0x1.00000000000000000000000001p+0L); |
67 | TEST (0x1.000000000000000000000000018p+0L); |
68 | TEST (0x1.23456789abcdef123456789abc8p+0L); |
69 | TEST (0x1.23456789abcde7123456789abc8p+0L); |
70 | TEST (0x1.23456789abcdef123456789abc8p+64L); |
71 | TEST (0x1.23456789abcde7123456789abc8p+64L); |
72 | TEST (0x1.123456789abcdef123456789p-969L); |
73 | # if LDBL_MANT_DIG == 106 |
74 | TEST (-0x1.2d71957cc1263bbbeb1d365f1e8p-969L); |
75 | TEST (0x1.23456789abcdef0123456789abp-970L); |
76 | TEST (0x1.579bde02468acp-1001L); |
77 | TEST (0x0.abcdef0123456p-1022L); |
78 | TEST (0x1.abcdef0123456p-1022L); |
79 | TEST (0x1.abcdef012345678p-1014L); |
80 | TEST (0x1.abcdef0123456f8p-1014L); |
81 | # endif |
82 | #endif |
83 | return result; |
84 | } |
85 | |
86 | #define TEST_FUNCTION do_test () |
87 | #include "../test-skeleton.c" |
88 | |