add note, weirdness.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64010 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Headers/tgmath-sofar.h b/lib/Headers/tgmath-sofar.h
index 4585135e2b4dbe8da5f7df96cc766ff496a4a2e5..07cad5a188ec69adc9521fc66b8b4b9417ad0ea0 100644 (file)
--- a/lib/Headers/tgmath-sofar.h
+++ b/lib/Headers/tgmath-sofar.h
@@ -99,7 +99,7 @@
 #define lround(x) __builtin_overload(1, x, lroundl, lround, lroundf)
 #define nearbyint(x)__builtin_overload(1, x, nearbyintl, nearbyint, nearbyintf)
 // FIXME: nextafter -> binary operation.
-// FIXME: nexttoward -> binary operation?
+// FIXME: nexttoward -> binary operation?  [second arg is always long double]
 // FIXME: remainder -> binary operation.
 // FIXME: remquo -> fp+fp+ptr
 #define rint(x) __builtin_overload(1, x, rintl, rint, rintf)