lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | |
| 5 | |
| 6 | static const struct |
| 7 | { |
| 8 | const char *str; |
| 9 | const char *expected; |
| 10 | } tests[] = |
| 11 | { |
| 12 | { "1e308", "1e+308" }, |
| 13 | { "100000000e300", "1e+308" }, |
| 14 | { "0x1p1023", "8.98847e+307" }, |
| 15 | { "0x1000p1011", "8.98847e+307" }, |
| 16 | { "0x1p1020", "1.12356e+307" }, |
| 17 | { "0x0.00001p1040", "1.12356e+307" }, |
| 18 | { "1e-307", "1e-307" }, |
| 19 | { "0.000001e-301", "1e-307" }, |
| 20 | { "0.0000001e-300", "1e-307" }, |
| 21 | { "0.00000001e-299", "1e-307" }, |
| 22 | { "1000000e-313", "1e-307" }, |
| 23 | { "10000000e-314", "1e-307" }, |
| 24 | { "100000000e-315", "1e-307" }, |
| 25 | { "0x1p-1021", "4.45015e-308" }, |
| 26 | { "0x1000p-1033", "4.45015e-308" }, |
| 27 | { "0x10000p-1037", "4.45015e-308" }, |
| 28 | { "0x0.001p-1009", "4.45015e-308" }, |
| 29 | { "0x0.0001p-1005", "4.45015e-308" }, |
| 30 | }; |
| 31 | #define NTESTS (sizeof (tests) / sizeof (tests[0])) |
| 32 | |
| 33 | |
| 34 | static int |
| 35 | do_test (void) |
| 36 | { |
| 37 | int status = 0; |
| 38 | |
| 39 | for (int i = 0; i < NTESTS; ++i) |
| 40 | { |
| 41 | char buf[100]; |
| 42 | snprintf (buf, sizeof (buf), "%g", atof (tests[i].str)); |
| 43 | if (strcmp (buf, tests[i].expected) != 0) |
| 44 | { |
| 45 | printf ("%d: got \"%s\", expected \"%s\"\n", |
| 46 | i, buf, tests[i].expected); |
| 47 | status = 1; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | return status; |
| 52 | } |
| 53 | |
| 54 | #define TEST_FUNCTION do_test () |
| 55 | #include "../test-skeleton.c" |