fmaf test case that's hard to round in nearest rounding mode

[libc-test] / src / math / special / expm1.h

diff --git a/src/math/special/expm1.h b/src/math/special/expm1.h
index e0d3ff9..5588ceb 100644 (file)
--- a/src/math/special/expm1.h
+++ b/src/math/special/expm1.h
@@ -5,3 +5,5 @@ T(RN,                 -0x1p+0,   -0x1.43a54e4e98864p-1,   0x1.ca8a42p-4, INEXACT
 T(RN,                     inf,                     inf,          0x0p+0, 0)
 T(RN,                    -inf,                 -0x1p+0,          0x0p+0, 0)
 T(RN,                     nan,                     nan,          0x0p+0, 0)
+T(RN, 0x1.ffffffffffffep-1023, 0x1.ffffffffffffep-1023,          0x0p+0, INEXACT|UNDERFLOW)
+T(RN,-0x1.ffffffffffffep-1023,-0x1.ffffffffffffep-1023,          0x0p+0, INEXACT|UNDERFLOW)