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author | Joseph Myers <joseph@codesourcery.com> | 2012-11-03 19:48:53 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-11-03 19:48:53 +0000 |
commit | 5b5b04d6282df0364424c6f2c0462e5c1a4394b0 (patch) | |
tree | bef8cb91fffbf78e56f18479234abb47ce3054b2 /math/libm-test.inc | |
parent | fbeafedeea37e0af1984a6511018d159f5ceed6a (diff) | |
download | glibc-5b5b04d6282df0364424c6f2c0462e5c1a4394b0.tar.gz glibc-5b5b04d6282df0364424c6f2c0462e5c1a4394b0.tar.xz glibc-5b5b04d6282df0364424c6f2c0462e5c1a4394b0.zip |
Make fma use of Dekker and Knuth algorithms use round-to-nearest (bug 14796).
Diffstat (limited to 'math/libm-test.inc')
-rw-r--r-- | math/libm-test.inc | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc index 258c960ec1..48241e02f8 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -4649,6 +4649,10 @@ fma_test (void) TEST_fff_f (fma, 0x1p-149, -0x1p-149, 0x1p-149, 0x1p-149, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, 0x1p-149, -0x1p-149, -0x1p-149, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, -0x1p-149, -0x1p-149, -0x1p-149, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffp0, 0x0.fffp0, -0x0.ffep0, 0x1p-24); + TEST_fff_f (fma, 0x0.fffp0, -0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, 0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, -0x0.fffp0, -0x0.ffep0, 0x1p-24); #endif #if defined (TEST_DOUBLE) && DBL_MANT_DIG == 53 TEST_fff_f (fma, 0x1.7fp+13, 0x1.0000000000001p+0, 0x1.ffep-48, 0x1.7f00000000001p+13); @@ -4695,6 +4699,10 @@ fma_test (void) TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, 0x1p-1074, 0x1p-1074, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, 0x1p-1074, -0x1p-1074, -0x1p-1074, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, -0x1p-1074, -0x1p-1074, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 64 TEST_fff_f (fma, -0x8.03fcp+3696L, 0xf.fffffffffffffffp-6140L, 0x8.3ffffffffffffffp-2450L, -0x8.01ecp-2440L); @@ -4727,6 +4735,10 @@ fma_test (void) TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, 0x1p-16445L, 0x1p-16445L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, 0x1p-16445L, -0x1p-16445L, -0x1p-16445L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, -0x1p-16445L, -0x1p-16445L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 113 TEST_fff_f (fma, 0x1.bb2de33e02ccbbfa6e245a7c1f71p-2584L, -0x1.6b500daf0580d987f1bc0cadfcddp-13777L, 0x1.613cd91d9fed34b33820e5ab9d8dp-16378L, -0x1.3a79fb50eb9ce887cffa0f09bd9fp-16360L); @@ -4766,6 +4778,10 @@ fma_test (void) TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, 0x1p-16494L, 0x1p-16494L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, 0x1p-16494L, -0x1p-16494L, -0x1p-16494L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, -0x1p-16494L, -0x1p-16494L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); #endif END (fma); @@ -4846,6 +4862,10 @@ fma_test_towardzero (void) TEST_fff_f (fma, 0x1p-149, -0x1p-149, 0x1p-149, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, 0x1p-149, -0x1p-149, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, -0x1p-149, -0x1p-149, -0x1p-149, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffp0, 0x0.fffp0, -0x0.ffep0, 0x1p-24); + TEST_fff_f (fma, 0x0.fffp0, -0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, 0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, -0x0.fffp0, -0x0.ffep0, 0x1p-24); #endif #if defined (TEST_DOUBLE) && DBL_MANT_DIG == 53 TEST_fff_f (fma, 0x1.4p-1022, 0x1.0000000000002p-1, 0x1p-1024, 0x1.c000000000002p-1023, UNDERFLOW_EXCEPTION); @@ -4872,6 +4892,10 @@ fma_test_towardzero (void) TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, 0x1p-1074, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, 0x1p-1074, -0x1p-1074, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, -0x1p-1074, -0x1p-1074, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 64 TEST_fff_f (fma, 0x1.4p-16382L, 0x1.0000000000000004p-1L, 0x1p-16384L, 0x1.c000000000000004p-16383L, UNDERFLOW_EXCEPTION); @@ -4898,6 +4922,10 @@ fma_test_towardzero (void) TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, 0x1p-16445L, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, 0x1p-16445L, -0x1p-16445L, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, -0x1p-16445L, -0x1p-16445L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 113 TEST_fff_f (fma, 0x1.4p-16382L, 0x1.0000000000000000000000000002p-1L, 0x1p-16384L, 0x1.c000000000000000000000000002p-16383L, UNDERFLOW_EXCEPTION); @@ -4924,6 +4952,10 @@ fma_test_towardzero (void) TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, 0x1p-16494L, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, 0x1p-16494L, -0x1p-16494L, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, -0x1p-16494L, -0x1p-16494L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); #endif } @@ -5007,6 +5039,10 @@ fma_test_downward (void) TEST_fff_f (fma, 0x1p-149, -0x1p-149, 0x1p-149, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, 0x1p-149, -0x1p-149, -0x1p-149, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, -0x1p-149, -0x1p-149, -0x1p-148, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffp0, 0x0.fffp0, -0x0.ffep0, 0x1p-24); + TEST_fff_f (fma, 0x0.fffp0, -0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, 0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, -0x0.fffp0, -0x0.ffep0, 0x1p-24); #endif #if defined (TEST_DOUBLE) && DBL_MANT_DIG == 53 TEST_fff_f (fma, 0x1.4p-1022, 0x1.0000000000002p-1, 0x1p-1024, 0x1.c000000000002p-1023, UNDERFLOW_EXCEPTION); @@ -5033,6 +5069,10 @@ fma_test_downward (void) TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, 0x1p-1074, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, 0x1p-1074, -0x1p-1074, -0x1p-1074, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, -0x1p-1074, -0x1p-1073, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 64 TEST_fff_f (fma, 0x1.4p-16382L, 0x1.0000000000000004p-1L, 0x1p-16384L, 0x1.c000000000000004p-16383L, UNDERFLOW_EXCEPTION); @@ -5059,6 +5099,10 @@ fma_test_downward (void) TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, 0x1p-16445L, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, 0x1p-16445L, -0x1p-16445L, -0x1p-16445L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, -0x1p-16445L, -0x1p-16444L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 113 TEST_fff_f (fma, 0x1.4p-16382L, 0x1.0000000000000000000000000002p-1L, 0x1p-16384L, 0x1.c000000000000000000000000002p-16383L, UNDERFLOW_EXCEPTION); @@ -5085,6 +5129,10 @@ fma_test_downward (void) TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, 0x1p-16494L, plus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, 0x1p-16494L, -0x1p-16494L, -0x1p-16494L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, -0x1p-16494L, -0x1p-16493L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); #endif } @@ -5168,6 +5216,10 @@ fma_test_upward (void) TEST_fff_f (fma, 0x1p-149, -0x1p-149, 0x1p-149, 0x1p-149, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, 0x1p-149, -0x1p-149, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-149, -0x1p-149, -0x1p-149, -0x1p-149, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffp0, 0x0.fffp0, -0x0.ffep0, 0x1p-24); + TEST_fff_f (fma, 0x0.fffp0, -0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, 0x0.fffp0, 0x0.ffep0, -0x1p-24); + TEST_fff_f (fma, -0x0.fffp0, -0x0.fffp0, -0x0.ffep0, 0x1p-24); #endif #if defined (TEST_DOUBLE) && DBL_MANT_DIG == 53 TEST_fff_f (fma, 0x1.4p-1022, 0x1.0000000000002p-1, 0x1p-1024, 0x1.c000000000004p-1023, UNDERFLOW_EXCEPTION); @@ -5194,6 +5246,10 @@ fma_test_upward (void) TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, 0x1p-1074, 0x1p-1074, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, 0x1p-1074, -0x1p-1074, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-1074, -0x1p-1074, -0x1p-1074, -0x1p-1074, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); + TEST_fff_f (fma, 0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, 0x0.fffffffffffff8p0, 0x0.fffffffffffffp0, -0x1p-106); + TEST_fff_f (fma, -0x0.fffffffffffff8p0, -0x0.fffffffffffff8p0, -0x0.fffffffffffffp0, 0x1p-106); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 64 TEST_fff_f (fma, 0x1.4p-16382L, 0x1.0000000000000004p-1L, 0x1p-16384L, 0x1.c000000000000008p-16383L, UNDERFLOW_EXCEPTION); @@ -5220,6 +5276,10 @@ fma_test_upward (void) TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, 0x1p-16445L, 0x1p-16445L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, 0x1p-16445L, -0x1p-16445L, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16445L, -0x1p-16445L, -0x1p-16445L, -0x1p-16445L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); + TEST_fff_f (fma, 0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, 0x0.ffffffffffffffffp0L, 0x0.fffffffffffffffep0L, -0x1p-128L); + TEST_fff_f (fma, -0x0.ffffffffffffffffp0L, -0x0.ffffffffffffffffp0L, -0x0.fffffffffffffffep0L, 0x1p-128L); #endif #if defined (TEST_LDOUBLE) && LDBL_MANT_DIG == 113 TEST_fff_f (fma, 0x1.4p-16382L, 0x1.0000000000000000000000000002p-1L, 0x1p-16384L, 0x1.c000000000000000000000000004p-16383L, UNDERFLOW_EXCEPTION); @@ -5246,6 +5306,10 @@ fma_test_upward (void) TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, 0x1p-16494L, 0x1p-16494L, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, 0x1p-16494L, -0x1p-16494L, minus_zero, UNDERFLOW_EXCEPTION); TEST_fff_f (fma, 0x1p-16494L, -0x1p-16494L, -0x1p-16494L, -0x1p-16494L, UNDERFLOW_EXCEPTION); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); + TEST_fff_f (fma, 0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffff8p0L, 0x0.ffffffffffffffffffffffffffffp0L, -0x1p-226L); + TEST_fff_f (fma, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffff8p0L, -0x0.ffffffffffffffffffffffffffffp0L, 0x1p-226L); #endif } |