X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Ffma.c;h=850a4a6c7f0dcc164521082be8fef0fac986c11f;hb=9448b0513e2eec020fbca9c10412b83df5027a16;hp=89def795943573d1568c5328ee95b2c9efc27b36;hpb=ffd8ac2dd50f99c3c83d7d9d845df9874ec3e7d5;p=musl

diff --git a/src/math/fma.c b/src/math/fma.c
index 89def795..850a4a6c 100644
--- a/src/math/fma.c
+++ b/src/math/fma.c
@@ -441,6 +441,8 @@ double fma(double x, double y, double z)
 		/*
 		 * There is no need to worry about double rounding in directed
 		 * rounding modes.
+		 * TODO: underflow is not raised properly, example in downward rounding:
+		 * fma(0x1.000000001p-1000, 0x1.000000001p-30, -0x1p-1066)
 		 */
 		fesetround(oround);
 		adj = r.lo + xy.lo;