* math/test-misc.c (main): Test for pseudo denormal numbers on x86.
2000-12-03 Ulrich Drepper <drepper@redhat.com>
+ * math/test-misc.c (main): Test for pseudo denormal numbers on x86.
* sysdeps/i386/fpu/fpclassify.c: New file.
* sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Handle the
}
#endif
+#ifdef __i386__
+ /* This is a test for the strange long doubles in x86 FPUs. */
+ {
+ union
+ {
+ char b[10];
+ long double d;
+ } u =
+ { .b = { 0, 0, 0, 0, 0, 0, 0, 0x80, 0, 0 } };
+
+ if (fpclassify (u.d) != FP_NORMAL)
+ {
+ printf ("fpclassify (0x00008000000000000000) failed: %d (%Lg)\n",
+ fpclassify (u.d), u.d);
+ result = 1;
+ }
+ }
+#endif
+
return result;
}