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authorGabriel F. T. Gomes <gabriel@inconstante.eti.br>2018-06-05 16:54:40 -0300
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2020-02-28 08:20:02 -0600
commitd96723744332c22a4202a0505a3814cd950bc05d (patch)
tree528042fe6d9e2dbf7a280b201cb051dad8c2f855 /mach/errstring.c
parentf1a166b0d7af9aa0f4021f67ed8ed496ee2c8b84 (diff)
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ldbl-128ibm-compat: Provide nexttoward functions
The functions in the nexttoward family are special, in the sense that
they always have a long double argument, regardless of their suffix
(i.e.: nexttowardf and nexttoward have a long double argument, besides
the float and double arguments).

On top of that, they are also special because nexttoward functions are
not part of the _FloatN API, hence __nexttowardf128 do not exist.

This patch adds 4 new function implementations for the new long double
format:

  __nexttoward_to_ieee128
  __nexttowardf_to_ieee128
  __nexttowardieee128 (as an alias to __nextafterieee128)

Likewise, rename "long double" "_Float128" in shared ldbl-128
files to ensure correct type is used irrespective of ABI
switches.

Thank you to those who helped out with this patch:

Co-Authored-By: Tulio Magno Quites Machado Filho  <tuliom@linux.ibm.com>
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