Fix exp missing underflows (bug 15268, bug 15425).

2 files changed, 216 insertions, 0 deletions

diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
index 83832a7f35..4c07c4fc4b 100644
--- a/math/auto-libm-test-in
+++ b/math/auto-libm-test-in
@@ -178,6 +178,8 @@ exp -1234
 # Bug 16284: results on directed rounding may be incorrect.
 exp 1e5 xfail-rounding:dbl-64
 exp max xfail-rounding:dbl-64
+exp -7.4444006192138124e+02
+exp -0x1.75f113c30b1c8p+9
 exp -max
 
 exp10 0
diff --git a/math/auto-libm-test-out b/math/auto-libm-test-out
index 4241399a9a..d9ef69e7a6 100644
--- a/math/auto-libm-test-out
+++ b/math/auto-libm-test-out
@@ -6018,6 +6018,220 @@ exp max xfail-rounding:dbl-64
 = exp tonearest ldbl-128ibm 0xf.ffffffffffffbffffffffffffcp+1020L : plus_infty : inexact-ok overflow errno-erange
 = exp towardzero ldbl-128ibm 0xf.ffffffffffffbffffffffffffcp+1020L : 0xf.ffffffffffffbffffffffffffcp+1020L : xfail:dbl-64 inexact-ok overflow errno-erange-ok
 = exp upward ldbl-128ibm 0xf.ffffffffffffbffffffffffffcp+1020L : plus_infty : xfail:dbl-64 inexact-ok overflow errno-erange
+exp -7.4444006192138124e+02
+= exp downward flt-32 -0x2.e870a4p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp tonearest flt-32 -0x2.e870a4p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp towardzero flt-32 -0x2.e870a4p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp upward flt-32 -0x2.e870a4p+8f : 0x8p-152f : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.e870a4p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp tonearest dbl-64 -0x2.e870a4p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp towardzero dbl-64 -0x2.e870a4p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp upward dbl-64 -0x2.e870a4p+8 : 0x8p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.e870a4p+8L : 0x4.001236e259a703f8p-1076L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.e870a4p+8L : 0x4.001236e259a704p-1076L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.e870a4p+8L : 0x4.001236e259a703f8p-1076L : inexact-ok
+= exp upward ldbl-96-intel -0x2.e870a4p+8L : 0x4.001236e259a704p-1076L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.e870a4p+8L : 0x4.001236e259a703f8p-1076L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.e870a4p+8L : 0x4.001236e259a704p-1076L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.e870a4p+8L : 0x4.001236e259a703f8p-1076L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.e870a4p+8L : 0x4.001236e259a704p-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a4p+8L : 0x4.001236e259a703fe35e4572c21b4p-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a4p+8L : 0x4.001236e259a703fe35e4572c21b8p-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a4p+8L : 0x4.001236e259a703fe35e4572c21b4p-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a4p+8L : 0x4.001236e259a703fe35e4572c21b8p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a4p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a4p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a4p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a4p+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward flt-32 -0x2.e870a8p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp tonearest flt-32 -0x2.e870a8p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp towardzero flt-32 -0x2.e870a8p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp upward flt-32 -0x2.e870a8p+8f : 0x8p-152f : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.e870a8p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp tonearest dbl-64 -0x2.e870a8p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp towardzero dbl-64 -0x2.e870a8p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp upward dbl-64 -0x2.e870a8p+8 : 0x8p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.e870a8p+8L : 0x4.000236b97e84a93p-1076L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.e870a8p+8L : 0x4.000236b97e84a93p-1076L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.e870a8p+8L : 0x4.000236b97e84a93p-1076L : inexact-ok
+= exp upward ldbl-96-intel -0x2.e870a8p+8L : 0x4.000236b97e84a938p-1076L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.e870a8p+8L : 0x4.000236b97e84a93p-1076L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.e870a8p+8L : 0x4.000236b97e84a93p-1076L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.e870a8p+8L : 0x4.000236b97e84a93p-1076L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.e870a8p+8L : 0x4.000236b97e84a938p-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a8p+8L : 0x4.000236b97e84a932aa555f5e8ce4p-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a8p+8L : 0x4.000236b97e84a932aa555f5e8ce4p-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a8p+8L : 0x4.000236b97e84a932aa555f5e8ce4p-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a8p+8L : 0x4.000236b97e84a932aa555f5e8ce8p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a8p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a8p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a8p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a8p+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.e870a7e5e88cp+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp tonearest dbl-64 -0x2.e870a7e5e88cp+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp towardzero dbl-64 -0x2.e870a7e5e88cp+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp upward dbl-64 -0x2.e870a7e5e88cp+8 : 0x8p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa08p-1076L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa1p-1076L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa08p-1076L : inexact-ok
+= exp upward ldbl-96-intel -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa1p-1076L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa08p-1076L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa1p-1076L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa08p-1076L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa1p-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa0e72d456f74c24p-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa0e72d456f74c28p-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa0e72d456f74c24p-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88cp+8L : 0x4.00029f178d98fa0e72d456f74c28p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a7e5e88cp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a7e5e88cp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a7e5e88cp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a7e5e88cp+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.e870a7e5e88c2p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp tonearest dbl-64 -0x2.e870a7e5e88c2p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp towardzero dbl-64 -0x2.e870a7e5e88c2p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp upward dbl-64 -0x2.e870a7e5e88c2p+8 : 0x8p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9b8p-1076L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9b8p-1076L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9b8p-1076L : inexact-ok
+= exp upward ldbl-96-intel -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9cp-1076L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9b8p-1076L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9b8p-1076L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9b8p-1076L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9cp-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9ba8fe2abd80f94p-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9ba8fe2abd80f98p-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9ba8fe2abd80f94p-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c2p+8L : 0x4.00029f178d18f9ba8fe2abd80f98p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a7e5e88c2p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a7e5e88c2p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a7e5e88c2p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a7e5e88c2p+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9b8p-1076L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9cp-1076L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9b8p-1076L : inexact-ok
+= exp upward ldbl-96-intel -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9cp-1076L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9b8p-1076L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9cp-1076L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9b8p-1076L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9cp-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9bd0f851e55aebcp-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9bd0f851e55aecp-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9bd0f851e55aebcp-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c1f0cp+8L : 0x4.00029f178d1cc9bd0f851e55aecp-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a7e5e88c1f0cp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a7e5e88c1f0cp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a7e5e88c1f0cp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a7e5e88c1f0cp+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9b8p-1076L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9cp-1076L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9b8p-1076L : inexact-ok
+= exp upward ldbl-96-intel -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9cp-1076L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9b8p-1076L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9cp-1076L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9b8p-1076L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9cp-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9bd0508c0213bb4p-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9bd0508c0213bb8p-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9bd0508c0213bb4p-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c1f1p+8L : 0x4.00029f178d1cb9bd0508c0213bb8p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a7e5e88c1f1p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a7e5e88c1f1p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a7e5e88c1f1p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a7e5e88c1f1p+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef2p+8L : 0x4.00029f178d1cbba1a34fc1f1ad4cp-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef2p+8L : 0x4.00029f178d1cbba1a34fc1f1ad4cp-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef2p+8L : 0x4.00029f178d1cbba1a34fc1f1ad4cp-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef2p+8L : 0x4.00029f178d1cbba1a34fc1f1ad5p-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef4p+8L : 0x4.00029f178d1cbba1a34fc1f1a54cp-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef4p+8L : 0x4.00029f178d1cbba1a34fc1f1a54cp-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef4p+8L : 0x4.00029f178d1cbba1a34fc1f1a54cp-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cef4p+8L : 0x4.00029f178d1cbba1a34fc1f1a55p-1076L : inexact-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4.00029f178d1cbba1a34fc1f5754cp-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4.00029f178d1cbba1a34fc1f5755p-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4.00029f178d1cbba1a34fc1f5754cp-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4.00029f178d1cbba1a34fc1f5755p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cep+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4.00029f178d1cbba1a34fc1f1754cp-1076L : inexact-ok
+= exp tonearest ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4.00029f178d1cbba1a34fc1f1754cp-1076L : inexact-ok
+= exp towardzero ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4.00029f178d1cbba1a34fc1f1754cp-1076L : inexact-ok
+= exp upward ldbl-128 -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4.00029f178d1cbba1a34fc1f1755p-1076L : inexact-ok
+= exp downward ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp tonearest ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp towardzero ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp upward ldbl-128ibm -0x2.e870a7e5e88c1f0f86d8bda5cfp+8L : 0x8p-1076L : inexact-ok underflow errno-erange-ok
+exp -0x1.75f113c30b1c8p+9
+= exp downward flt-32 -0x2.ebe224p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp tonearest flt-32 -0x2.ebe224p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp towardzero flt-32 -0x2.ebe224p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp upward flt-32 -0x2.ebe224p+8f : 0x8p-152f : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.ebe224p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp tonearest dbl-64 -0x2.ebe224p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp towardzero dbl-64 -0x2.ebe224p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp upward dbl-64 -0x2.ebe224p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b4p-1080L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b8p-1080L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b4p-1080L : inexact-ok
+= exp upward ldbl-96-intel -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b8p-1080L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b4p-1080L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b8p-1080L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b4p-1080L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b8p-1080L : inexact-ok
+= exp downward ldbl-128 -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b7b1e41fe97b6ep-1080L : inexact-ok
+= exp tonearest ldbl-128 -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b7b1e41fe97b6ep-1080L : inexact-ok
+= exp towardzero ldbl-128 -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b7b1e41fe97b6ep-1080L : inexact-ok
+= exp upward ldbl-128 -0x2.ebe224p+8L : 0x2.0b9f4f64aed595b7b1e41fe97b7p-1080L : inexact-ok
+= exp downward ldbl-128ibm -0x2.ebe224p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp tonearest ldbl-128ibm -0x2.ebe224p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp towardzero ldbl-128ibm -0x2.ebe224p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp upward ldbl-128ibm -0x2.ebe224p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward flt-32 -0x2.ebe228p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp tonearest flt-32 -0x2.ebe228p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp towardzero flt-32 -0x2.ebe228p+8f : 0x0p+0f : inexact-ok underflow errno-erange
+= exp upward flt-32 -0x2.ebe228p+8f : 0x8p-152f : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.ebe228p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp tonearest dbl-64 -0x2.ebe228p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp towardzero dbl-64 -0x2.ebe228p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp upward dbl-64 -0x2.ebe228p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.ebe228p+8L : 0x2.0b9720f7ce27844cp-1080L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.ebe228p+8L : 0x2.0b9720f7ce27845p-1080L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.ebe228p+8L : 0x2.0b9720f7ce27844cp-1080L : inexact-ok
+= exp upward ldbl-96-intel -0x2.ebe228p+8L : 0x2.0b9720f7ce27845p-1080L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.ebe228p+8L : 0x2.0b9720f7ce27844cp-1080L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.ebe228p+8L : 0x2.0b9720f7ce27845p-1080L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.ebe228p+8L : 0x2.0b9720f7ce27844cp-1080L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.ebe228p+8L : 0x2.0b9720f7ce27845p-1080L : inexact-ok
+= exp downward ldbl-128 -0x2.ebe228p+8L : 0x2.0b9720f7ce27844ea9674284d866p-1080L : inexact-ok
+= exp tonearest ldbl-128 -0x2.ebe228p+8L : 0x2.0b9720f7ce27844ea9674284d868p-1080L : inexact-ok
+= exp towardzero ldbl-128 -0x2.ebe228p+8L : 0x2.0b9720f7ce27844ea9674284d866p-1080L : inexact-ok
+= exp upward ldbl-128 -0x2.ebe228p+8L : 0x2.0b9720f7ce27844ea9674284d868p-1080L : inexact-ok
+= exp downward ldbl-128ibm -0x2.ebe228p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp tonearest ldbl-128ibm -0x2.ebe228p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp towardzero ldbl-128ibm -0x2.ebe228p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp upward ldbl-128ibm -0x2.ebe228p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
+= exp downward dbl-64 -0x2.ebe227861639p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp tonearest dbl-64 -0x2.ebe227861639p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp towardzero dbl-64 -0x2.ebe227861639p+8 : 0x0p+0 : inexact-ok underflow errno-erange
+= exp upward dbl-64 -0x2.ebe227861639p+8 : 0x4p-1076 : inexact-ok underflow errno-erange-ok
+= exp downward ldbl-96-intel -0x2.ebe227861639p+8L : 0x2.0b981a509bab7298p-1080L : inexact-ok
+= exp tonearest ldbl-96-intel -0x2.ebe227861639p+8L : 0x2.0b981a509bab7298p-1080L : inexact-ok
+= exp towardzero ldbl-96-intel -0x2.ebe227861639p+8L : 0x2.0b981a509bab7298p-1080L : inexact-ok
+= exp upward ldbl-96-intel -0x2.ebe227861639p+8L : 0x2.0b981a509bab729cp-1080L : inexact-ok
+= exp downward ldbl-96-m68k -0x2.ebe227861639p+8L : 0x2.0b981a509bab7298p-1080L : inexact-ok
+= exp tonearest ldbl-96-m68k -0x2.ebe227861639p+8L : 0x2.0b981a509bab7298p-1080L : inexact-ok
+= exp towardzero ldbl-96-m68k -0x2.ebe227861639p+8L : 0x2.0b981a509bab7298p-1080L : inexact-ok
+= exp upward ldbl-96-m68k -0x2.ebe227861639p+8L : 0x2.0b981a509bab729cp-1080L : inexact-ok
+= exp downward ldbl-128 -0x2.ebe227861639p+8L : 0x2.0b981a509bab72997118df69cd7ep-1080L : inexact-ok
+= exp tonearest ldbl-128 -0x2.ebe227861639p+8L : 0x2.0b981a509bab72997118df69cd8p-1080L : inexact-ok
+= exp towardzero ldbl-128 -0x2.ebe227861639p+8L : 0x2.0b981a509bab72997118df69cd7ep-1080L : inexact-ok
+= exp upward ldbl-128 -0x2.ebe227861639p+8L : 0x2.0b981a509bab72997118df69cd8p-1080L : inexact-ok
+= exp downward ldbl-128ibm -0x2.ebe227861639p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp tonearest ldbl-128ibm -0x2.ebe227861639p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp towardzero ldbl-128ibm -0x2.ebe227861639p+8L : 0x0p+0L : inexact-ok underflow errno-erange
+= exp upward ldbl-128ibm -0x2.ebe227861639p+8L : 0x4p-1076L : inexact-ok underflow errno-erange-ok
 exp -max
 = exp downward flt-32 -0xf.fffffp+124f : 0x0p+0f : inexact-ok underflow errno-erange
 = exp tonearest flt-32 -0xf.fffffp+124f : 0x0p+0f : inexact-ok underflow errno-erange