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math tests: fma underflow cases
[libc-test] / src / math / special / fmaf.h
diff --git a/src/math/special/fmaf.h b/src/math/special/fmaf.h
index af5ac49..c6bc645 100644 (file)
--- a/src/math/special/fmaf.h
+++ b/src/math/special/fmaf.h
@@ -35,3 +35,13 @@ T(RN,             inf,          0x0p+0,             nan,             nan,
 T(RN,          0x0p+0,             inf,             nan,             nan,          0x0p+0, INVALID)
 T(RN,            -inf,          0x0p+0,             nan,             nan,          0x0p+0, INVALID)
 T(RN,          0x0p+0,            -inf,             nan,             nan,          0x0p+0, INVALID)
+T(RN,        0x1p-120,        0x1p-120,        0x1p-149,        0x1p-149,        -0x1p-91, INEXACT|UNDERFLOW)
+T(RN,          0x1p+0,          0x1p+0,         -0x1p+0,          0x0p+0,          0x0p+0, 0)
+T(RN,          0x1p+0,         -0x1p+0,          0x1p+0,          0x0p+0,          0x0p+0, 0)
+T(RN,         -0x1p+0,         -0x1p+0,         -0x1p+0,          0x0p+0,          0x0p+0, 0)
+T(RD,          0x1p+0,          0x1p+0,         -0x1p+0,         -0x0p+0,          0x0p+0, 0)
+T(RD,          0x1p+0,         -0x1p+0,          0x1p+0,         -0x0p+0,          0x0p+0, 0)
+T(RD,         -0x1p+0,         -0x1p+0,         -0x1p+0,         -0x0p+0,          0x0p+0, 0)
+T(RD,        0x1p-120,        0x1p-120,        0x1p-149,        0x1p-149,        -0x1p-91, INEXACT|UNDERFLOW)
+T(RU,        0x1p-120,        0x1p-120,        0x1p-149,        0x1p-148,          0x1p+0, INEXACT|UNDERFLOW)
+T(RZ,        0x1p-120,        0x1p-120,        0x1p-149,        0x1p-149,        -0x1p-91, INEXACT|UNDERFLOW)
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