| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| |
| static const struct |
| { |
| const char *str; |
| const char *expected; |
| } tests[] = |
| { |
| { "1e308", "1e+308" }, |
| { "100000000e300", "1e+308" }, |
| { "0x1p1023", "8.98847e+307" }, |
| { "0x1000p1011", "8.98847e+307" }, |
| { "0x1p1020", "1.12356e+307" }, |
| { "0x0.00001p1040", "1.12356e+307" }, |
| { "1e-307", "1e-307" }, |
| { "0.000001e-301", "1e-307" }, |
| { "0.0000001e-300", "1e-307" }, |
| { "0.00000001e-299", "1e-307" }, |
| { "1000000e-313", "1e-307" }, |
| { "10000000e-314", "1e-307" }, |
| { "100000000e-315", "1e-307" }, |
| { "0x1p-1021", "4.45015e-308" }, |
| { "0x1000p-1033", "4.45015e-308" }, |
| { "0x10000p-1037", "4.45015e-308" }, |
| { "0x0.001p-1009", "4.45015e-308" }, |
| { "0x0.0001p-1005", "4.45015e-308" }, |
| }; |
| #define NTESTS (sizeof (tests) / sizeof (tests[0])) |
| |
| |
| static int |
| do_test (void) |
| { |
| int status = 0; |
| |
| for (int i = 0; i < NTESTS; ++i) |
| { |
| char buf[100]; |
| snprintf (buf, sizeof (buf), "%g", atof (tests[i].str)); |
| if (strcmp (buf, tests[i].expected) != 0) |
| { |
| printf ("%d: got \"%s\", expected \"%s\"\n", |
| i, buf, tests[i].expected); |
| status = 1; |
| } |
| } |
| |
| return status; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |