| 1 | #include <stdio.h> |
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| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | |
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| 5 | |
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| 6 | static const struct |
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| 7 | { |
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| 8 | const char *str; |
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| 9 | const char *expected; |
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| 10 | } tests[] = |
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| 11 | { |
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| 12 | { "1e308" , "1e+308" }, |
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| 13 | { "100000000e300" , "1e+308" }, |
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| 14 | { "0x1p1023" , "8.98847e+307" }, |
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| 15 | { "0x1000p1011" , "8.98847e+307" }, |
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| 16 | { "0x1p1020" , "1.12356e+307" }, |
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| 17 | { "0x0.00001p1040" , "1.12356e+307" }, |
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| 18 | { "1e-307" , "1e-307" }, |
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| 19 | { "0.000001e-301" , "1e-307" }, |
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| 20 | { "0.0000001e-300" , "1e-307" }, |
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| 21 | { "0.00000001e-299" , "1e-307" }, |
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| 22 | { "1000000e-313" , "1e-307" }, |
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| 23 | { "10000000e-314" , "1e-307" }, |
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| 24 | { "100000000e-315" , "1e-307" }, |
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| 25 | { "0x1p-1021" , "4.45015e-308" }, |
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| 26 | { "0x1000p-1033" , "4.45015e-308" }, |
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| 27 | { "0x10000p-1037" , "4.45015e-308" }, |
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| 28 | { "0x0.001p-1009" , "4.45015e-308" }, |
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| 29 | { "0x0.0001p-1005" , "4.45015e-308" }, |
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| 30 | }; |
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| 31 | #define NTESTS (sizeof (tests) / sizeof (tests[0])) |
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| 32 | |
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| 33 | |
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| 34 | static int |
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| 35 | do_test (void) |
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| 36 | { |
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| 37 | int status = 0; |
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| 38 | |
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| 39 | for (int i = 0; i < NTESTS; ++i) |
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| 40 | { |
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| 41 | char buf[100]; |
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| 42 | snprintf (s: buf, maxlen: sizeof (buf), format: "%g" , atof (nptr: tests[i].str)); |
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| 43 | if (strcmp (buf, tests[i].expected) != 0) |
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| 44 | { |
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| 45 | printf (format: "%d: got \"%s\", expected \"%s\"\n" , |
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| 46 | i, buf, tests[i].expected); |
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| 47 | status = 1; |
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| 48 | } |
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| 49 | } |
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| 50 | |
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| 51 | return status; |
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| 52 | } |
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| 53 | |
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| 54 | #define TEST_FUNCTION do_test () |
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| 55 | #include "../test-skeleton.c" |
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| 56 | |
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