forked from AFPy/python-docs-fr
127 lines
4.5 KiB
Plaintext
127 lines
4.5 KiB
Plaintext
# SOME DESCRIPTIVE TITLE.
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# Copyright (C) 1990-2016, Python Software Foundation
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# This file is distributed under the same license as the Python package.
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# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
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#
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#, fuzzy
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msgid ""
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msgstr ""
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"Project-Id-Version: Python 2.7\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2016-10-30 10:44+0100\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <LL@li.org>\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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#: ../Doc/library/fpectl.rst:3
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msgid ":mod:`fpectl` --- Floating point exception control"
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msgstr ""
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#: ../Doc/library/fpectl.rst:14
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msgid ""
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"The :mod:`fpectl` module is not built by default, and its usage is "
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"discouraged and may be dangerous except in the hands of experts. See also "
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"the section :ref:`fpectl-limitations` on limitations for more details."
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msgstr ""
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#: ../Doc/library/fpectl.rst:20
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msgid ""
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"Most computers carry out floating point operations in conformance with the "
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"so-called IEEE-754 standard. On any real computer, some floating point "
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"operations produce results that cannot be expressed as a normal floating "
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"point value. For example, try ::"
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msgstr ""
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#: ../Doc/library/fpectl.rst:31
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msgid ""
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"(The example above will work on many platforms. DEC Alpha may be one "
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"exception.) \"Inf\" is a special, non-numeric value in IEEE-754 that stands "
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"for \"infinity\", and \"nan\" means \"not a number.\" Note that, other than "
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"the non-numeric results, nothing special happened when you asked Python to "
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"carry out those calculations. That is in fact the default behaviour "
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"prescribed in the IEEE-754 standard, and if it works for you, stop reading "
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"now."
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msgstr ""
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#: ../Doc/library/fpectl.rst:38
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msgid ""
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"In some circumstances, it would be better to raise an exception and stop "
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"processing at the point where the faulty operation was attempted. The :mod:"
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"`fpectl` module is for use in that situation. It provides control over "
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"floating point units from several hardware manufacturers, allowing the user "
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"to turn on the generation of :const:`SIGFPE` whenever any of the IEEE-754 "
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"exceptions Division by Zero, Overflow, or Invalid Operation occurs. In "
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"tandem with a pair of wrapper macros that are inserted into the C code "
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"comprising your python system, :const:`SIGFPE` is trapped and converted into "
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"the Python :exc:`FloatingPointError` exception."
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msgstr ""
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#: ../Doc/library/fpectl.rst:48
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msgid ""
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"The :mod:`fpectl` module defines the following functions and may raise the "
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"given exception:"
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msgstr ""
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#: ../Doc/library/fpectl.rst:54
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msgid ""
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"Turn on the generation of :const:`SIGFPE`, and set up an appropriate signal "
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"handler."
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msgstr ""
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#: ../Doc/library/fpectl.rst:60
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msgid "Reset default handling of floating point exceptions."
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msgstr ""
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#: ../Doc/library/fpectl.rst:65
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msgid ""
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"After :func:`turnon_sigfpe` has been executed, a floating point operation "
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"that raises one of the IEEE-754 exceptions Division by Zero, Overflow, or "
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"Invalid operation will in turn raise this standard Python exception."
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msgstr ""
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#: ../Doc/library/fpectl.rst:73
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msgid "Example"
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msgstr "Exemple"
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#: ../Doc/library/fpectl.rst:75
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msgid ""
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"The following example demonstrates how to start up and test operation of "
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"the :mod:`fpectl` module. ::"
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msgstr ""
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#: ../Doc/library/fpectl.rst:98
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msgid "Limitations and other considerations"
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msgstr ""
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#: ../Doc/library/fpectl.rst:100
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msgid ""
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"Setting up a given processor to trap IEEE-754 floating point errors "
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"currently requires custom code on a per-architecture basis. You may have to "
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"modify :mod:`fpectl` to control your particular hardware."
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msgstr ""
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#: ../Doc/library/fpectl.rst:104
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msgid ""
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"Conversion of an IEEE-754 exception to a Python exception requires that the "
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"wrapper macros ``PyFPE_START_PROTECT`` and ``PyFPE_END_PROTECT`` be inserted "
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"into your code in an appropriate fashion. Python itself has been modified "
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"to support the :mod:`fpectl` module, but many other codes of interest to "
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"numerical analysts have not."
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msgstr ""
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#: ../Doc/library/fpectl.rst:110
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msgid "The :mod:`fpectl` module is not thread-safe."
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msgstr ""
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#: ../Doc/library/fpectl.rst:115
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msgid ""
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"Some files in the source distribution may be interesting in learning more "
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"about how this module operates. The include file :source:`Include/pyfpe.h` "
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"discusses the implementation of this module at some length. :source:`Modules/"
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"fpetestmodule.c` gives several examples of use. Many additional examples can "
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"be found in :source:`Objects/floatobject.c`."
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msgstr ""
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