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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /stdlib/tst-atof2.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'stdlib/tst-atof2.c')
-rw-r--r--stdlib/tst-atof2.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/stdlib/tst-atof2.c b/stdlib/tst-atof2.c
new file mode 100644
index 0000000..74dac87
--- /dev/null
+++ b/stdlib/tst-atof2.c
@@ -0,0 +1,55 @@
+#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"