* result.
* Caution:
* This isn't reliable. C99 no longer requires libm to set errno under
- * any exceptional condition, but does require +- HUGE_VAL return
- * values on overflow. A 754 box *probably* maps HUGE_VAL to a
- * double infinity, and we're cool if that's so, unless the input
- * was an infinity and an infinity is the expected result. A C89
- * system sets errno to ERANGE, so we check for that too. We're
+ * any exceptional condition, but does require +- HUGE_VAL return
+ * values on overflow. A 754 box *probably* maps HUGE_VAL to a
+ * double infinity, and we're cool if that's so, unless the input
+ * was an infinity and an infinity is the expected result. A C89
+ * system sets errno to ERANGE, so we check for that too. We're
* out of luck if a C99 754 box doesn't map HUGE_VAL to +Inf, or
* if the returned result is a NaN, or if a C89 box returns HUGE_VAL
* in non-overflow cases.