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