while (0)
/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
- So we use minus_zero instead. */
+ So we use minus_zero instead.
+ Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
+ platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
+#if defined __hpux || defined __sgi
long double minus_zero = -LDBL_MIN * LDBL_MIN;
+#else
+long double minus_zero = -0.0L;
+#endif
int
main ()