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authorJoseph Myers <joseph@codesourcery.com>2014-02-18 21:48:51 +0000
committerJoseph Myers <joseph@codesourcery.com>2014-02-18 21:48:51 +0000
commitc6af2d896ce07740ad5170eaed3c0bb7720e079e (patch)
tree6c1753fd02841946cc14afdb11e7c70cbd8251f9 /math/auto-libm-test-in
parenta4fb786185fce5048a13c7879f67dfbe59ff70be (diff)
downloadglibc-c6af2d896ce07740ad5170eaed3c0bb7720e079e.tar.gz
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Move tests of fma from libm-test.inc to auto-libm-test-in.
This patch moves tests of fma to auto-libm-test-in, adding the
required support to gen-auto-libm-tests.

Because fma can have exact zero results depending on the rounding
mode, results of fma cannot always be determined from a single value
computed in higher precision with a sticky bit.  Thus, this patch adds
support for recomputing results with the original MPFR/MPC function in
the case where an exact zero is involved.  (This also affects some
results for cpow; when we start testing cpow in all rounding modes, I
think it will be most appropriate to make those tests use
IGNORE_ZERO_INF_SIGN, since ISO C does not attempt to determine signs
of zero results, or special caes in general, for cpow, and I think
signs of zero for cpow are beyond the scope of glibc's accuracy
goals.)

Simply treating the existing test inputs for fma like those for other
functions (i.e., as representing the given value rounded up or down to
any of the supported floating-point formats) increases the size of
auto-libm-test-out by about 16MB (i.e., about half the file is fma
test data).  While rounded versions of tests are perfectly reasonable
test inputs for fma, in this case having them seems excessive, so this
patch allows functions to specify in gen-auto-libm-tests that the
given test inputs are only to be interpreted exactly, not as
corresponding to values rounded up and down.  This reduces the size of
the generated test data for fma to a more reasonable 2MB.

A consequence of this patch is that fma is now tested for correct
presence or absence of "inexact" exceptions, where previously this
wasn't tested because I didn't want to try to add that test coverage
manually to all the existing tests.  As far as I know, the existing
fma implementations are already correct in this regard.

This patch provides the first cases where the gen-auto-libm-tests
support for distinguishing before-rounding/after-rounding underflow
actually produces separate entries in auto-libm-test-out (for
functions without exactly determined results, the affected cases are
all considered underflow-optional, so this only affects functions like
fma with exactly determined results).  I didn't see any signs of
problems with this logic in the output.

Tested x86_64 and x86.

	* math/auto-libm-test-in: Add tests of fma.
	* math/auto-libm-test-out: Regenerated.
	* math/libm-test.inc (fma_test_data): Use AUTO_TESTS_fff_f.
	(fma_towardzero_test_data): Likewise.
	(fma_downward_test_data): Likewise.
	(fma_upward_test_data): Likewise.
	* math/gen-auto-libm-tests.c (rounding_mode_desc): Add field
	mpc_mode.
	(rounding_modes): Add values for new field.
	(func_calc_method): Add value mpfr_fff_f.
	(func_calc_desc): Add mpfr_fff_f union field.
	(test_function): Add field exact_args.
	(FUNC): Add macro argument EXACT_ARGS.
	(FUNC_mpfr_f_f): Update call to FUNC.
	(FUNC_mpfr_f_f): Likewise.
	(FUNC_mpfr_ff_f): Likewise.
	(FUNC_mpfr_if_f): Likewise.
	(FUNC_mpc_c_f): Likewise.
	(FUNC_mpc_c_c): Likewise.
	(test_functions): Add fma.  Update calls to FUNC.
	(handle_input_arg): Add argument exact_args.
	(add_test): Update call to handle_input_arg.
	(calc_generic_results): Add argument mode.  Handle mpfr_fff_f.
	(output_for_one_input_case): Update call to calc_generic_results.
	Recalculate exact zero results in each rounding mode.
Diffstat (limited to 'math/auto-libm-test-in')
-rw-r--r--math/auto-libm-test-in254
1 files changed, 254 insertions, 0 deletions
diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in
index 17158ea685..ab56898c3d 100644
--- a/math/auto-libm-test-in
+++ b/math/auto-libm-test-in
@@ -826,6 +826,260 @@ expm1 -0x1p-64
 expm1 0x1p-100
 expm1 -0x1p-100
 
+fma 1.0 2.0 3.0
+fma 1.25 0.75 0.0625
+
+fma 0 0 0
+fma 0 0 -0
+fma 0 -0 0
+fma 0 -0 -0
+fma -0 0 0
+fma -0 0 -0
+fma -0 -0 0
+fma -0 -0 -0
+fma 1.0 0 0
+fma 1.0 0 -0
+fma 1.0 -0 0
+fma 1.0 -0 -0
+fma -1.0 0 0
+fma -1.0 0 -0
+fma -1.0 -0 0
+fma -1.0 -0 -0
+fma 0 1.0 0
+fma 0 1.0 -0
+fma 0 -1.0 0
+fma 0 -1.0 -0
+fma -0 1.0 0
+fma -0 1.0 -0
+fma -0 -1.0 0
+fma -0 -1.0 -0
+
+fma 1.0 1.0 -1.0
+fma 1.0 -1.0 1.0
+fma -1.0 1.0 1.0
+fma -1.0 -1.0 -1.0
+
+# Bug 6801: errno setting may be missing.
+fma min min 0 missing-errno
+fma min min -0 missing-errno
+fma min -min 0 missing-errno
+fma min -min -0 missing-errno
+fma -min min 0 missing-errno
+fma -min min -0 missing-errno
+fma -min -min 0 missing-errno
+fma -min -min -0 missing-errno
+
+# Bug 6801: errno setting may be missing.
+# Bug 13304: results on directed rounding may be incorrect.
+fma max max min missing-errno xfail-rounding:ldbl-128ibm
+fma max max -min missing-errno xfail-rounding:ldbl-128ibm
+fma max -max min missing-errno xfail-rounding:ldbl-128ibm
+fma max -max -min missing-errno xfail-rounding:ldbl-128ibm
+fma -max max min missing-errno xfail-rounding:ldbl-128ibm
+fma -max max -min missing-errno xfail-rounding:ldbl-128ibm
+fma -max -max min missing-errno xfail-rounding:ldbl-128ibm
+fma -max -max -min missing-errno xfail-rounding:ldbl-128ibm
+
+fma 0x1.7ff8p+13 0x1.000002p+0 0x1.ffffp-24
+fma 0x1.fffp+0 0x1.00001p+0 -0x1.fffp+0
+fma 0x1.9abcdep+127 0x0.9abcdep-126 -0x1.f08948p+0
+fma 0x1.9abcdep+100 0x0.9abcdep-126 -0x1.f08948p-27
+fma 0x1.fffffep+127 0x1.001p+0 -0x1.fffffep+127
+fma -0x1.fffffep+127 0x1.fffffep+0 0x1.fffffep+127
+fma 0x1.fffffep+127 2.0 -0x1.fffffep+127
+fma 0x1.4p-126 0x1.000004p-1 0x1p-128
+fma -0x1.4p-126 0x1.000004p-1 -0x1p-128
+fma 0x1.fffff8p-126 0x1.000002p-1 0x1p-149
+fma -0x1.fffff8p-126 0x1.000002p-1 -0x1p-149
+fma 0x1p-149 0x1p-1 0x0.fffffep-126
+fma -0x1p-149 0x1p-1 -0x0.fffffep-126
+fma 0x1p-149 0x1.1p-1 0x0.fffffep-126
+fma -0x1p-149 0x1.1p-1 -0x0.fffffep-126
+fma 0x1p-149 0x1p-149 0x1p127
+fma 0x1p-149 -0x1p-149 0x1p127
+fma 0x1p-149 0x1p-149 -0x1p127
+fma 0x1p-149 -0x1p-149 -0x1p127
+fma 0x1p-149 0x1p-149 0x1p-126
+fma 0x1p-149 -0x1p-149 0x1p-126
+fma 0x1p-149 0x1p-149 -0x1p-126
+fma 0x1p-149 -0x1p-149 -0x1p-126
+fma 0x1p-149 0x1p-149 0x0.fffffep-126
+fma 0x1p-149 -0x1p-149 0x0.fffffep-126
+fma 0x1p-149 0x1p-149 -0x0.fffffep-126
+fma 0x1p-149 -0x1p-149 -0x0.fffffep-126
+fma 0x1p-149 0x1p-149 0x1p-149
+# Bug 6801: errno setting may be missing.
+fma 0x1p-149 -0x1p-149 0x1p-149 missing-errno
+fma 0x1p-149 0x1p-149 -0x1p-149 missing-errno
+fma 0x1p-149 -0x1p-149 -0x1p-149
+fma 0x0.fffp0 0x0.fffp0 -0x0.ffep0
+fma 0x0.fffp0 -0x0.fffp0 0x0.ffep0
+fma -0x0.fffp0 0x0.fffp0 0x0.ffep0
+fma -0x0.fffp0 -0x0.fffp0 -0x0.ffep0
+fma 0x1.000002p-126 0x1.000002p-26 0x1p127
+fma 0x1.000002p-126 -0x1.000002p-26 0x1p127
+fma 0x1.000002p-126 0x1.000002p-26 -0x1p127
+fma 0x1.000002p-126 -0x1.000002p-26 -0x1p127
+fma 0x1.000002p-126 0x1.000002p-26 0x1p103
+fma 0x1.000002p-126 -0x1.000002p-26 0x1p103
+fma 0x1.000002p-126 0x1.000002p-26 -0x1p103
+fma 0x1.000002p-126 -0x1.000002p-26 -0x1p103
+
+fma 0x1.7fp+13 0x1.0000000000001p+0 0x1.ffep-48
+fma 0x1.fffp+0 0x1.0000000000001p+0 -0x1.fffp+0
+fma 0x1.0000002p+0 0x1.ffffffcp-1 0x1p-300
+fma 0x1.0000002p+0 0x1.ffffffcp-1 -0x1p-300
+fma 0x1.deadbeef2feedp+1023 0x0.deadbeef2feedp-1022 -0x1.a05f8c01a4bfbp+1
+fma 0x1.deadbeef2feedp+900 0x0.deadbeef2feedp-1022 -0x1.a05f8c01a4bfbp-122
+fma 0x1.fffffffffffffp+1023 0x1.001p+0 -0x1.fffffffffffffp+1023
+fma -0x1.fffffffffffffp+1023 0x1.fffffffffffffp+0 0x1.fffffffffffffp+1023
+fma 0x1.fffffffffffffp+1023 2.0 -0x1.fffffffffffffp+1023
+# Bug 6801: errno setting may be missing.
+fma 0x1.6a09e667f3bccp-538 0x1.6a09e667f3bccp-538 0.0 missing-errno
+fma 0x1.deadbeef2feedp-495 0x1.deadbeef2feedp-495 -0x1.bf86a5786a574p-989
+fma 0x1.deadbeef2feedp-503 0x1.deadbeef2feedp-503 -0x1.bf86a5786a574p-1005
+fma 0x1p-537 0x1p-538 0x1p-1074
+fma 0x1.7fffff8p-968 0x1p-106 0x0.000001p-1022
+fma 0x1.4000004p-967 0x1p-106 0x0.000001p-1022
+fma 0x1.4p-967 -0x1p-106 -0x0.000001p-1022
+fma -0x1.19cab66d73e17p-959 0x1.c7108a8c5ff51p-107 -0x0.80b0ad65d9b64p-1022
+fma -0x1.d2eaed6e8e9d3p-979 -0x1.4e066c62ac9ddp-63 -0x0.9245e6b003454p-1022
+fma 0x1.153d650bb9f06p-907 0x1.2d01230d48407p-125 -0x0.b278d5acfc3cp-1022
+fma -0x1.fffffffffffffp-711 0x1.fffffffffffffp-275 0x1.fffffe00007ffp-983
+fma 0x1.4p-1022 0x1.0000000000002p-1 0x1p-1024
+fma -0x1.4p-1022 0x1.0000000000002p-1 -0x1p-1024
+fma 0x1.ffffffffffffcp-1022 0x1.0000000000001p-1 0x1p-1074
+fma -0x1.ffffffffffffcp-1022 0x1.0000000000001p-1 -0x1p-1074
+fma 0x1p-1074 0x1p-1 0x0.fffffffffffffp-1022
+fma -0x1p-1074 0x1p-1 -0x0.fffffffffffffp-1022
+fma 0x1p-1074 0x1.1p-1 0x0.fffffffffffffp-1022
+fma -0x1p-1074 0x1.1p-1 -0x0.fffffffffffffp-1022
+fma 0x1p-1074 0x1p-1074 0x1p1023
+fma 0x1p-1074 -0x1p-1074 0x1p1023
+fma 0x1p-1074 0x1p-1074 -0x1p1023
+fma 0x1p-1074 -0x1p-1074 -0x1p1023
+fma 0x1p-1074 0x1p-1074 0x1p-1022
+fma 0x1p-1074 -0x1p-1074 0x1p-1022
+fma 0x1p-1074 0x1p-1074 -0x1p-1022
+fma 0x1p-1074 -0x1p-1074 -0x1p-1022
+fma 0x1p-1074 0x1p-1074 0x0.fffffffffffffp-1022
+fma 0x1p-1074 -0x1p-1074 0x0.fffffffffffffp-1022
+fma 0x1p-1074 0x1p-1074 -0x0.fffffffffffffp-1022
+fma 0x1p-1074 -0x1p-1074 -0x0.fffffffffffffp-1022
+fma 0x1p-1074 0x1p-1074 0x1p-1074
+# Bug 6801: errno setting may be missing.
+fma 0x1p-1074 -0x1p-1074 0x1p-1074 missing-errno
+fma 0x1p-1074 0x1p-1074 -0x1p-1074 missing-errno
+fma 0x1p-1074 -0x1p-1074 -0x1p-1074
+fma 0x0.fffffffffffff8p0 0x0.fffffffffffff8p0 -0x0.fffffffffffffp0
+fma 0x0.fffffffffffff8p0 -0x0.fffffffffffff8p0 0x0.fffffffffffffp0
+fma -0x0.fffffffffffff8p0 0x0.fffffffffffff8p0 0x0.fffffffffffffp0
+fma -0x0.fffffffffffff8p0 -0x0.fffffffffffff8p0 -0x0.fffffffffffffp0
+fma 0x1.0000000000001p-1022 0x1.0000000000001p-55 0x1p1023
+fma 0x1.0000000000001p-1022 -0x1.0000000000001p-55 0x1p1023
+fma 0x1.0000000000001p-1022 0x1.0000000000001p-55 -0x1p1023
+fma 0x1.0000000000001p-1022 -0x1.0000000000001p-55 -0x1p1023
+fma 0x1.0000000000001p-1022 0x1.0000000000001p-55 0x1p970
+fma 0x1.0000000000001p-1022 -0x1.0000000000001p-55 0x1p970
+fma 0x1.0000000000001p-1022 0x1.0000000000001p-55 -0x1p970
+fma 0x1.0000000000001p-1022 -0x1.0000000000001p-55 -0x1p970
+
+fma -0x8.03fcp+3696 0xf.fffffffffffffffp-6140 0x8.3ffffffffffffffp-2450
+fma 0x9.fcp+2033 -0x8.000e1f000ff800fp-3613 -0xf.fffffffffffc0ffp-1579
+fma 0xc.7fc000003ffffffp-1194 0x8.1e0003fffffffffp+15327 -0x8.fffep+14072
+fma -0x8.0001fc000000003p+1798 0xcp-2230 0x8.f7e000000000007p-468
+fma 0xc.0000000000007ffp+10130 -0x8.000000000000001p+4430 0xc.07000000001ffffp+14513
+fma 0xb.ffffp-4777 0x8.000000fffffffffp-11612 -0x0.3800fff8p-16385
+fma 0x1.4p-16382 0x1.0000000000000004p-1 0x1p-16384
+fma -0x1.4p-16382 0x1.0000000000000004p-1 -0x1p-16384
+fma 0x1.fffffffffffffff8p-16382 0x1.0000000000000002p-1 0x1p-16445
+fma -0x1.fffffffffffffff8p-16382 0x1.0000000000000002p-1 -0x1p-16445
+fma 0x1p-16445 0x1p-1 0x0.fffffffffffffffep-16382
+fma -0x1p-16445 0x1p-1 -0x0.fffffffffffffffep-16382
+fma 0x1p-16445 0x1.1p-1 0x0.fffffffffffffffep-16382
+fma -0x1p-16445 0x1.1p-1 -0x0.fffffffffffffffep-16382
+fma 0x1p-16445 0x1p-16445 0x1p16383
+fma 0x1p-16445 -0x1p-16445 0x1p16383
+fma 0x1p-16445 0x1p-16445 -0x1p16383
+fma 0x1p-16445 -0x1p-16445 -0x1p16383
+fma 0x1p-16445 0x1p-16445 0x1p-16382
+fma 0x1p-16445 -0x1p-16445 0x1p-16382
+fma 0x1p-16445 0x1p-16445 -0x1p-16382
+fma 0x1p-16445 -0x1p-16445 -0x1p-16382
+fma 0x1p-16445 0x1p-16445 0x0.fffffffffffffffep-16382
+fma 0x1p-16445 -0x1p-16445 0x0.fffffffffffffffep-16382
+fma 0x1p-16445 0x1p-16445 -0x0.fffffffffffffffep-16382
+fma 0x1p-16445 -0x1p-16445 -0x0.fffffffffffffffep-16382
+fma 0x1p-16445 0x1p-16445 0x1p-16445
+# Bug 6801: errno setting may be missing.
+fma 0x1p-16445 -0x1p-16445 0x1p-16445 missing-errno
+fma 0x1p-16445 0x1p-16445 -0x1p-16445 missing-errno
+fma 0x1p-16445 -0x1p-16445 -0x1p-16445
+fma 0x0.ffffffffffffffffp0 0x0.ffffffffffffffffp0 -0x0.fffffffffffffffep0
+fma 0x0.ffffffffffffffffp0 -0x0.ffffffffffffffffp0 0x0.fffffffffffffffep0
+fma -0x0.ffffffffffffffffp0 0x0.ffffffffffffffffp0 0x0.fffffffffffffffep0
+fma -0x0.ffffffffffffffffp0 -0x0.ffffffffffffffffp0 -0x0.fffffffffffffffep0
+fma 0x1.0000000000000002p-16382 0x1.0000000000000002p-66 0x1p16383
+fma 0x1.0000000000000002p-16382 -0x1.0000000000000002p-66 0x1p16383
+fma 0x1.0000000000000002p-16382 0x1.0000000000000002p-66 -0x1p16383
+fma 0x1.0000000000000002p-16382 -0x1.0000000000000002p-66 -0x1p16383
+fma 0x1.0000000000000002p-16382 0x1.0000000000000002p-66 0x1p16319
+fma 0x1.0000000000000002p-16382 -0x1.0000000000000002p-66 0x1p16319
+fma 0x1.0000000000000002p-16382 0x1.0000000000000002p-66 -0x1p16319
+fma 0x1.0000000000000002p-16382 -0x1.0000000000000002p-66 -0x1p16319
+
+fma 0x1.bb2de33e02ccbbfa6e245a7c1f71p-2584 -0x1.6b500daf0580d987f1bc0cadfcddp-13777 0x1.613cd91d9fed34b33820e5ab9d8dp-16378
+fma -0x1.f949b880cacb0f0c61540105321dp-5954 -0x1.3876cec84b4140f3bd6198731b7ep-10525 -0x0.a5dc1c6cfbc498c54fb0b504bf19p-16382
+fma -0x1.0000fffffffffp-16221 0x1.0000001fffff8007fep-239 0x0.ff87ffffffffffffe000003fffffp-16382
+fma -0x1.ac79c9376ef447f3827c9e9de008p-2228 -0x1.5ba830022b6139e21fbe7270cad8p-6314 0x1.e8282b6a26bb6a9daf5c8e73e9f9p-8616
+fma -0x1.c69749ec574caaa2ab8e97ddb9f3p+2652 0x1.f34235ff9d095449c29b4831b62dp+3311 0x1.fbe4302df23354dbd0c4d3cfe606p+5879
+fma -0x1.ca8835fc6ecfb5398625fc891be5p-1686 0x1.621e1972bbe2180e5be9dd7d8df5p-7671 -0x1.7d2d21b73b52cf20dec2a83902a4p-9395
+fma -0x1.55cff679ec49c2541fab41fc843ep-11819 0x1.e60e9f464f9e8df0509647c7c971p+12325 0x1.eaa2a7649d765c2f564f7a5beca7p+454
+fma 0x1.f0e7b1454908576f2537d863cf9bp+11432 0x1.cdce52f09d4ca76e68706f34b5d5p-1417 -0x1.2e986187c70f146235ea2066e486p+9979
+fma 0x1.f102f7da4a57a3a4aab620e29452p-3098 -0x1.cc06a4ff40248f9e2dcc4b6afd84p-11727 0x1.d512a11126b5ac8ed8973b8580c8p-14849
+fma -0x1.fc47ac7434b993cd8dcb2b431f25p-3816 0x1.fbc9750da8468852d84558e1db6dp-5773 -0x1.00a98abf783f75c40fe5b7a37d86p-9607
+fma 0x1.00000000000007ffffffffffffffp-9045 -0x1.ffffffffffff80000001ffffffffp+4773 -0x1.f8p-4316
+fma 0x1.4e922764c90701d4a2f21d01893dp-8683 -0x1.955a12e2d7c9447c27fa022fc865p+212 -0x1.e9634462eaef96528b90b6944578p-8521
+fma 0x1.801181509c03bdbef10d6165588cp-15131 0x1.ad86f8e57d3d40bfa8007780af63p-368 -0x1.6e9df0dab1c9f1d7a6043c390741p-15507
+fma 0x1.ffffffffffffffp0 0x1.000000000000008p0 -0x1p-1000
+fma 0x1.4p-16382 0x1.0000000000000000000000000002p-1 0x1p-16384
+fma -0x1.4p-16382 0x1.0000000000000000000000000002p-1 -0x1p-16384
+fma 0x1.fffffffffffffffffffffffffffcp-16382 0x1.0000000000000000000000000001p-1 0x1p-16494
+fma -0x1.fffffffffffffffffffffffffffcp-16382 0x1.0000000000000000000000000001p-1 -0x1p-16494
+fma 0x1p-16494 0x1p-1 0x0.ffffffffffffffffffffffffffffp-16382
+fma -0x1p-16494 0x1p-1 -0x0.ffffffffffffffffffffffffffffp-16382
+fma 0x1p-16494 0x1.1p-1 0x0.ffffffffffffffffffffffffffffp-16382
+fma -0x1p-16494 0x1.1p-1 -0x0.ffffffffffffffffffffffffffffp-16382
+fma 0x1p-16494 0x1p-16494 0x1p16383
+fma 0x1p-16494 -0x1p-16494 0x1p16383
+fma 0x1p-16494 0x1p-16494 -0x1p16383
+fma 0x1p-16494 -0x1p-16494 -0x1p16383
+fma 0x1p-16494 0x1p-16494 0x1p-16382
+fma 0x1p-16494 -0x1p-16494 0x1p-16382
+fma 0x1p-16494 0x1p-16494 -0x1p-16382
+fma 0x1p-16494 -0x1p-16494 -0x1p-16382
+fma 0x1p-16494 0x1p-16494 0x0.ffffffffffffffffffffffffffffp-16382
+fma 0x1p-16494 -0x1p-16494 0x0.ffffffffffffffffffffffffffffp-16382
+fma 0x1p-16494 0x1p-16494 -0x0.ffffffffffffffffffffffffffffp-16382
+fma 0x1p-16494 -0x1p-16494 -0x0.ffffffffffffffffffffffffffffp-16382
+fma 0x1p-16494 0x1p-16494 0x1p-16494
+# Bug 6801: errno setting may be missing.
+fma 0x1p-16494 -0x1p-16494 0x1p-16494 missing-errno
+fma 0x1p-16494 0x1p-16494 -0x1p-16494 missing-errno
+fma 0x1p-16494 -0x1p-16494 -0x1p-16494
+fma 0x0.ffffffffffffffffffffffffffff8p0 0x0.ffffffffffffffffffffffffffff8p0 -0x0.ffffffffffffffffffffffffffffp0
+fma 0x0.ffffffffffffffffffffffffffff8p0 -0x0.ffffffffffffffffffffffffffff8p0 0x0.ffffffffffffffffffffffffffffp0
+fma -0x0.ffffffffffffffffffffffffffff8p0 0x0.ffffffffffffffffffffffffffff8p0 0x0.ffffffffffffffffffffffffffffp0
+fma -0x0.ffffffffffffffffffffffffffff8p0 -0x0.ffffffffffffffffffffffffffff8p0 -0x0.ffffffffffffffffffffffffffffp0
+fma 0x1.0000000000000000000000000001p-16382 0x1.0000000000000000000000000001p-66 0x1p16383
+fma 0x1.0000000000000000000000000001p-16382 -0x1.0000000000000000000000000001p-66 0x1p16383
+fma 0x1.0000000000000000000000000001p-16382 0x1.0000000000000000000000000001p-66 -0x1p16383
+fma 0x1.0000000000000000000000000001p-16382 -0x1.0000000000000000000000000001p-66 -0x1p16383
+fma 0x1.0000000000000000000000000001p-16382 0x1.0000000000000000000000000001p-66 0x1p16319
+fma 0x1.0000000000000000000000000001p-16382 -0x1.0000000000000000000000000001p-66 0x1p16319
+fma 0x1.0000000000000000000000000001p-16382 0x1.0000000000000000000000000001p-66 -0x1p16319
+fma 0x1.0000000000000000000000000001p-16382 -0x1.0000000000000000000000000001p-66 -0x1p16319
+
 hypot 0 0
 hypot 0 -0
 hypot -0 0