| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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" |