r273829 - in /branches/gcc-9-branch/libstdc++-v...
redi@gcc.gnu.org
redi@gcc.gnu.org
Fri Jul 26 13:36:00 GMT 2019
Author: redi
Date: Fri Jul 26 13:36:25 2019
New Revision: 273829
URL: https://gcc.gnu.org/viewcvs?rev=273829&root=gcc&view=rev
Log:
Fix std::midpoint for denormal values
Backport from mainline
2019-06-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
function.
Backport from mainline
2019-06-24 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T, T)): Change implementation for
floating-point types to avoid incorrect rounding of denormals.
* testsuite/26_numerics/midpoint/floating.cc: Add check for correct
rounding with denormals.
* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
Modified:
branches/gcc-9-branch/libstdc++-v3/ChangeLog
branches/gcc-9-branch/libstdc++-v3/include/std/numeric
branches/gcc-9-branch/libstdc++-v3/testsuite/26_numerics/gcd/gcd_neg.cc
branches/gcc-9-branch/libstdc++-v3/testsuite/26_numerics/lcm/lcm_neg.cc
branches/gcc-9-branch/libstdc++-v3/testsuite/26_numerics/midpoint/floating.cc
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