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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-4027] [Ada] Document rounding mode assumed for dynamic floating-point computations Date: Fri, 1 Oct 2021 06:16:23 +0000 (GMT) [thread overview] Message-ID: <20211001061623.ACD9C3857C5E@sourceware.org> (raw) https://gcc.gnu.org/g:f5d4b3fbf62a4c49d5951fc7848127af32876b78 commit r12-4027-gf5d4b3fbf62a4c49d5951fc7848127af32876b78 Author: Eric Botcazou <ebotcazou@adacore.com> Date: Fri Aug 13 18:32:53 2021 +0200 [Ada] Document rounding mode assumed for dynamic floating-point computations gcc/ada/ * doc/gnat_rm/implementation_defined_characteristics.rst: Document the rounding mode assumed for dynamic computations as per 3.5.7(16). * gnat_rm.texi: Regenerate. Diff: --- .../doc/gnat_rm/implementation_defined_characteristics.rst | 12 ++++++------ gcc/ada/gnat_rm.texi | 14 +++++++------- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/gcc/ada/doc/gnat_rm/implementation_defined_characteristics.rst b/gcc/ada/doc/gnat_rm/implementation_defined_characteristics.rst index 400e23254a8..c5c7dfb9fbc 100644 --- a/gcc/ada/doc/gnat_rm/implementation_defined_characteristics.rst +++ b/gcc/ada/doc/gnat_rm/implementation_defined_characteristics.rst @@ -147,12 +147,12 @@ Type Representation IEEE 80-bit Extended on x86 architecture ====================== =============================================== -The default rounding mode specified by the IEEE 754 Standard is assumed for -static computations, i.e. round to nearest, ties to even. The input routines -yield correctly rounded values for Short_Float, Float and Long_Float at least. -The output routines can compute up to twice as many exact digits as the value -of ``T'Digits`` for any type, for example 30 digits for Long_Float; if more -digits are requested, zeros are printed. +The default rounding mode specified by the IEEE 754 Standard is assumed both +for static and dynamic computations (that is, round to nearest, ties to even). +The input routines yield correctly rounded values for Short_Float, Float, and +Long_Float at least. The output routines can compute up to twice as many exact +digits as the value of ``T'Digits`` for any type, for example 30 digits for +Long_Float; if more digits are requested, zeros are printed. * "The small of an ordinary fixed point type. See 3.5.9(8)." diff --git a/gcc/ada/gnat_rm.texi b/gcc/ada/gnat_rm.texi index 9148b5f238e..55783786749 100644 --- a/gcc/ada/gnat_rm.texi +++ b/gcc/ada/gnat_rm.texi @@ -21,7 +21,7 @@ @copying @quotation -GNAT Reference Manual , Aug 03, 2021 +GNAT Reference Manual , Sep 28, 2021 AdaCore @@ -15939,12 +15939,12 @@ IEEE 80-bit Extended on x86 architecture @end multitable -The default rounding mode specified by the IEEE 754 Standard is assumed for -static computations, i.e. round to nearest, ties to even. The input routines -yield correctly rounded values for Short_Float, Float and Long_Float at least. -The output routines can compute up to twice as many exact digits as the value -of @code{T'Digits} for any type, for example 30 digits for Long_Float; if more -digits are requested, zeros are printed. +The default rounding mode specified by the IEEE 754 Standard is assumed both +for static and dynamic computations (that is, round to nearest, ties to even). +The input routines yield correctly rounded values for Short_Float, Float, and +Long_Float at least. The output routines can compute up to twice as many exact +digits as the value of @code{T'Digits} for any type, for example 30 digits for +Long_Float; if more digits are requested, zeros are printed. @itemize *
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