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-rw-r--r--math/auto-libm-test-in2
-rw-r--r--math/auto-libm-test-out81
2 files changed, 83 insertions, 0 deletions
diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
index 79d276ce99..f36d200df5 100644
--- a/math/auto-libm-test-in
+++ b/math/auto-libm-test-in
@@ -970,6 +970,8 @@ expm1 0x1p-64
 expm1 -0x1p-64
 expm1 0x1p-100
 expm1 -0x1p-100
+# Bug 16353: underflow exception may be missing
+expm1 0x4.0000000000000028p-16384 missing-underflow
 
 fma 1.0 2.0 3.0
 fma 1.25 0.75 0.0625
diff --git a/math/auto-libm-test-out b/math/auto-libm-test-out
index d1ec2be279..ced5283ab2 100644
--- a/math/auto-libm-test-out
+++ b/math/auto-libm-test-out
@@ -93045,6 +93045,87 @@ expm1 -0x1p-100
 = expm1 tonearest ldbl-128ibm -0x1p-100L : -0xf.ffffffffffffffffffffffff8p-104L : inexact-ok
 = expm1 towardzero ldbl-128ibm -0x1p-100L : -0xf.ffffffffffffffffffffffff8p-104L : inexact-ok
 = expm1 upward ldbl-128ibm -0x1p-100L : -0xf.ffffffffffffffffffffffff8p-104L : inexact-ok
+expm1 0x4.0000000000000028p-16384 missing-underflow
+= expm1 downward flt-32 0x8p-152f : 0x8p-152f : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 tonearest flt-32 0x8p-152f : 0x8p-152f : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 towardzero flt-32 0x8p-152f : 0x8p-152f : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 upward flt-32 0x8p-152f : 0x1p-148f : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 downward dbl-64 0x8p-152 : 0x8p-152 : inexact-ok
+= expm1 tonearest dbl-64 0x8p-152 : 0x8p-152 : inexact-ok
+= expm1 towardzero dbl-64 0x8p-152 : 0x8p-152 : inexact-ok
+= expm1 upward dbl-64 0x8p-152 : 0x8.0000000000008p-152 : inexact-ok
+= expm1 downward ldbl-96-intel 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 tonearest ldbl-96-intel 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 towardzero ldbl-96-intel 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 upward ldbl-96-intel 0x8p-152L : 0x8.000000000000001p-152L : inexact-ok
+= expm1 downward ldbl-96-m68k 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 tonearest ldbl-96-m68k 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 towardzero ldbl-96-m68k 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 upward ldbl-96-m68k 0x8p-152L : 0x8.000000000000001p-152L : inexact-ok
+= expm1 downward ldbl-128 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 tonearest ldbl-128 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 towardzero ldbl-128 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 upward ldbl-128 0x8p-152L : 0x8.0000000000000000000000000008p-152L : inexact-ok
+= expm1 downward ldbl-128ibm 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 tonearest ldbl-128ibm 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 towardzero ldbl-128ibm 0x8p-152L : 0x8p-152L : inexact-ok
+= expm1 upward ldbl-128ibm 0x8p-152L : 0x8.00000000000000000000000004p-152L : inexact-ok
+= expm1 downward flt-32 0x0p+0f : 0x0p+0f : inexact-ok
+= expm1 tonearest flt-32 0x0p+0f : 0x0p+0f : inexact-ok
+= expm1 towardzero flt-32 0x0p+0f : 0x0p+0f : inexact-ok
+= expm1 upward flt-32 0x0p+0f : 0x0p+0f : inexact-ok
+= expm1 downward dbl-64 0x0p+0 : 0x0p+0 : inexact-ok
+= expm1 tonearest dbl-64 0x0p+0 : 0x0p+0 : inexact-ok
+= expm1 towardzero dbl-64 0x0p+0 : 0x0p+0 : inexact-ok
+= expm1 upward dbl-64 0x0p+0 : 0x0p+0 : inexact-ok
+= expm1 downward ldbl-96-intel 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 tonearest ldbl-96-intel 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 towardzero ldbl-96-intel 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 upward ldbl-96-intel 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 downward ldbl-96-m68k 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 tonearest ldbl-96-m68k 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 towardzero ldbl-96-m68k 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 upward ldbl-96-m68k 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 downward ldbl-128 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 tonearest ldbl-128 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 towardzero ldbl-128 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 upward ldbl-128 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 downward ldbl-128ibm 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 tonearest ldbl-128ibm 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 towardzero ldbl-128ibm 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 upward ldbl-128ibm 0x0p+0L : 0x0p+0L : inexact-ok
+= expm1 downward dbl-64 0x4p-1076 : 0x4p-1076 : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 tonearest dbl-64 0x4p-1076 : 0x4p-1076 : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 towardzero dbl-64 0x4p-1076 : 0x4p-1076 : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 upward dbl-64 0x4p-1076 : 0x8p-1076 : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 downward ldbl-96-intel 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 tonearest ldbl-96-intel 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 towardzero ldbl-96-intel 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 upward ldbl-96-intel 0x4p-1076L : 0x4.0000000000000008p-1076L : inexact-ok
+= expm1 downward ldbl-96-m68k 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 tonearest ldbl-96-m68k 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 towardzero ldbl-96-m68k 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 upward ldbl-96-m68k 0x4p-1076L : 0x4.0000000000000008p-1076L : inexact-ok
+= expm1 downward ldbl-128 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 tonearest ldbl-128 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 towardzero ldbl-128 0x4p-1076L : 0x4p-1076L : inexact-ok
+= expm1 upward ldbl-128 0x4p-1076L : 0x4.0000000000000000000000000004p-1076L : inexact-ok
+= expm1 downward ldbl-128ibm 0x4p-1076L : 0x4p-1076L : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 tonearest ldbl-128ibm 0x4p-1076L : 0x4p-1076L : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 towardzero ldbl-128ibm 0x4p-1076L : 0x4p-1076L : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 upward ldbl-128ibm 0x4p-1076L : 0x8p-1076L : inexact-ok underflow underflow-ok errno-erange-ok
+= expm1 downward ldbl-96-intel 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 tonearest ldbl-96-intel 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 towardzero ldbl-96-intel 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 upward ldbl-96-intel 0x4.0000000000000028p-16384L : 0x4.000000000000003p-16384L : inexact-ok
+= expm1 downward ldbl-96-m68k 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 tonearest ldbl-96-m68k 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 towardzero ldbl-96-m68k 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 upward ldbl-96-m68k 0x4.0000000000000028p-16384L : 0x4.000000000000003p-16384L : inexact-ok
+= expm1 downward ldbl-128 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 tonearest ldbl-128 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 towardzero ldbl-128 0x4.0000000000000028p-16384L : 0x4.0000000000000028p-16384L : inexact-ok
+= expm1 upward ldbl-128 0x4.0000000000000028p-16384L : 0x4.0000000000000028000000000004p-16384L : inexact-ok
 fma 1.0 2.0 3.0
 = fma downward flt-32 0x1p+0f 0x2p+0f 0x3p+0f : 0x5p+0f :
 = fma tonearest flt-32 0x1p+0f 0x2p+0f 0x3p+0f : 0x5p+0f :