diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | NEWS | 20 | ||||
| -rw-r--r-- | math/auto-libm-test-in | 2 | ||||
| -rw-r--r-- | math/auto-libm-test-out | 214 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 32 | ||||
| -rw-r--r-- | sysdeps/ieee754/dbl-64/e_exp.c | 17 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 52 |
7 files changed, 334 insertions, 13 deletions
@@ -1,5 +1,15 @@ 2013-12-03 Joseph Myers <joseph@codesourcery.com> + [BZ #15268] + [BZ #15425] + * sysdeps/ieee754/dbl-64/e_exp.c: Include <float.h>. + (__ieee754_exp): For possibly underflowing results, check size of + result and force underflow exception if required. + * math/auto-libm-test-in: Add more tests of exp. + * math/auto-libm-test-out: Regenerated. + * sysdeps/i386/fpu/libm-test-ulps: Update. + * sysdeps/x86_64/fpu/libm-test-ulps: Likewise. + [BZ #16283] * math/w_exp2.c (__exp2): Handle a zero result as underflow. * math/w_exp2f.c (__exp2f): Likewise. @@ -11,16 +11,16 @@ Version 2.19 156, 387, 431, 832, 2801, 6786, 6787, 7003, 9954, 10253, 10278, 11087, 11157, 11214, 13028, 13982, 13985, 14029, 14032, 14143, 14155, 14547, - 14699, 14752, 14876, 14910, 15004, 15048, 15218, 15277, 15308, 15362, - 15374, 15400, 15427, 15483, 15522, 15531, 15532, 15601, 15608, 15609, - 15610, 15632, 15640, 15670, 15672, 15680, 15681, 15723, 15734, 15735, - 15736, 15748, 15749, 15754, 15760, 15763, 15764, 15797, 15799, 15825, - 15844, 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887, - 15890, 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921, - 15923, 15939, 15948, 15963, 15966, 15985, 15988, 15997, 16032, 16034, - 16036, 16037, 16041, 16055, 16071, 16072, 16074, 16077, 16078, 16103, - 16112, 16143, 16144, 16146, 16150, 16151, 16153, 16167, 16172, 16195, - 16214, 16245, 16271, 16283, 16289. + 14699, 14752, 14876, 14910, 15004, 15048, 15218, 15268, 15277, 15308, + 15362, 15374, 15400, 15425, 15427, 15483, 15522, 15531, 15532, 15601, + 15608, 15609, 15610, 15632, 15640, 15670, 15672, 15680, 15681, 15723, + 15734, 15735, 15736, 15748, 15749, 15754, 15760, 15763, 15764, 15797, + 15799, 15825, 15844, 15847, 15849, 15855, 15856, 15857, 15859, 15867, + 15886, 15887, 15890, 15892, 15893, 15895, 15897, 15905, 15909, 15917, + 15919, 15921, 15923, 15939, 15948, 15963, 15966, 15985, 15988, 15997, + 16032, 16034, 16036, 16037, 16041, 16055, 16071, 16072, 16074, 16077, + 16078, 16103, 16112, 16143, 16144, 16146, 16150, 16151, 16153, 16167, + 16172, 16195, 16214, 16245, 16271, 16283, 16289. * The public headers no longer use __unused nor __block. This change is to support compiling programs that are derived from BSD sources and use 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 diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index a492da30d6..4ed02a2797 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -6017,6 +6017,30 @@ ildouble: 1 ldouble: 1 # exp_towardzero +Test "exp_towardzero (-0x2.e870a4p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88c1f0cp+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88c1f1p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88c2p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88cp+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a8p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.ebe224p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.ebe228p+8)": +ildouble: 1 +ldouble: 1 Test "exp_towardzero (0x2.c5cp+8)": double: 1 idouble: 1 @@ -6047,6 +6071,12 @@ ildouble: 1 ldouble: 1 # exp_upward +Test "exp_upward (-0x2.e870a7e5e88c1f0cp+8)": +ildouble: 1 +ldouble: 1 +Test "exp_upward (-0x2.e870a7e5e88cp+8)": +ildouble: 1 +ldouble: 1 Test "exp_upward (1)": double: 1 float: 1 @@ -8112,6 +8142,8 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: "expm1": ildouble: 1 diff --git a/sysdeps/ieee754/dbl-64/e_exp.c b/sysdeps/ieee754/dbl-64/e_exp.c index df3aa5efaa..9d35e6d66c 100644 --- a/sysdeps/ieee754/dbl-64/e_exp.c +++ b/sysdeps/ieee754/dbl-64/e_exp.c @@ -39,6 +39,7 @@ #include "uexp.tbl" #include <math_private.h> #include <fenv.h> +#include <float.h> #ifndef SECTION # define SECTION @@ -169,7 +170,7 @@ __ieee754_exp (double x) else { retval = __slowexp (x); - goto ret; + goto check_uflow_ret; } /*if error is over bound */ } ex = -(1022 + ex); @@ -185,13 +186,23 @@ __ieee754_exp (double x) { binexp.i[HIGH_HALF] = 0x00100000; retval = (res - 1.0) * binexp.x; - goto ret; + goto check_uflow_ret; } else { retval = __slowexp (x); - goto ret; + goto check_uflow_ret; } /* if error is over bound */ + check_uflow_ret: + if (retval < DBL_MIN) + { +#if FLT_EVAL_METHOD != 0 + volatile +#endif + double force_underflow = tiny * tiny; + math_force_eval (force_underflow); + } + goto ret; } else { diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 5c923e69b3..e78514869d 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -6882,6 +6882,30 @@ ildouble: 1 ldouble: 1 # exp_towardzero +Test "exp_towardzero (-0x2.e870a4p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88c1f0cp+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88c1f1p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88c2p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a7e5e88cp+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.e870a8p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.ebe224p+8)": +ildouble: 1 +ldouble: 1 +Test "exp_towardzero (-0x2.ebe228p+8)": +ildouble: 1 +ldouble: 1 Test "exp_towardzero (0x2.c5cp+8)": ildouble: 1 ldouble: 1 @@ -6917,6 +6941,32 @@ ildouble: 1 ldouble: 1 # exp_upward +Test "exp_upward (-0x2.e870a4p+8)": +double: 1 +idouble: 1 +Test "exp_upward (-0x2.e870a7e5e88c1f0cp+8)": +ildouble: 1 +ldouble: 1 +Test "exp_upward (-0x2.e870a7e5e88c2p+8)": +double: 1 +idouble: 1 +Test "exp_upward (-0x2.e870a7e5e88cp+8)": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "exp_upward (-0x2.e870a8p+8)": +double: 1 +idouble: 1 +Test "exp_upward (-0x2.ebe224p+8)": +double: 1 +idouble: 1 +Test "exp_upward (-0x2.ebe227861639p+8)": +double: 1 +idouble: 1 +Test "exp_upward (-0x2.ebe228p+8)": +double: 1 +idouble: 1 Test "exp_upward (-0x4.d2p+8)": double: 1 idouble: 1 @@ -9208,6 +9258,8 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: "expm1": double: 1 |