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    <metanoindex/>

     
    C++
     
    Numerik-Bibliothek
    Gemeinsame mathematischen Funktionen
    Floating-Point-Umgebung
    Komplexe Zahlen
    Numerische Arrays
    Pseudo-Zufallszahlen
    Compile-time rationale Arithmetik (C++11)
    Generische numerische Operationen
    Original:
    Generic numeric operations
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    iota(C++11)
    accumulate
    inner_product
    adjacent_difference
    partial_sum
     
    Floating-Point-Umgebung
    Funktionen
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    Functions
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    feclearexcept(C++11)
    fetestexcept(C++11)
    feraiseexcept(C++11)
    fegetexceptflag
    fesetexceptflag    		(C++11)
    (C++11)
    fegetround
    fesetround    		(C++11)
    (C++11)
    fegetenv
    fesetenv    		(C++11)
    feholdexcept(C++11)
    feupdateenv(C++11)
    Makro Konstanten
    Original:
    Macro constants
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    FE_ALL_EXCEPT
    FE_DIVBYZERO
    FE_INEXACT
    FE_INVALID
    FE_OVERFLOW
    FE_UNDERFLOW    		(C++11)
    FE_DOWNWARD
    FE_TONEAREST
    FE_TOWARDZERO
    FE_UPWARD    		(C++11)
    FE_DFL_ENV(C++11)
     
    <tbody> </tbody>
    definiert in Header <cfenv>
    int feupdateenv( const std::fenv_t* envp )
    		 (seit C++11)
    Zunchst erinnert sich an die Zeit erhht Gleitkomma-Exceptions, dann stellt die Floating-Point-Umgebung aus dem Objekt, auf das envp (hnlich std::fesetenv), dann stellt sich die Floating-Point-Ausnahmen, die gerettet wurden .
    Original:
    First, remembers the currently raised floating-point exceptions, then restores the floating-point environment from the object pointed to by envp (similar to std::fesetenv), then raises the floating-point exceptions that were saved.
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    Diese Funktion kann verwendet werden, um die non-stop-Modus durch einen frheren Aufruf von std::feholdexcept gegrndet beenden .
    Original:
    This function may be used to end the non-stop mode established by an earlier call to std::feholdexcept.
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    Parameter

    envp -
    Zeiger auf das Objekt vom Typ std::fenv_t von einem frheren Aufruf auf std::feholdexcept oder std::fegetenv oder gleich FE_DFL_ENV
    Original:
    pointer to the object of type std::fenv_t set by an earlier call to std::feholdexcept or std::fegetenv or equal to FE_DFL_ENV
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    Rckgabewert

    0 bei Erfolg Null sonst .
    Original:
    0 on success, non-zero otherwise.
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    Siehe auch

    (C++11)
    schont die Umwelt, lscht alle Status-Flags und ignoriert alle zuknftigen Fehler
    Original:
    saves the environment, clears all status flags and ignores all future errors
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    (Funktion) [edit]
    (C++11)
    speichert oder stellt die aktuelle Floating-Point-Umgebung
    Original:
    saves or restores the current floating point environment
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    (Funktion) [edit]
    (C++11)
    Standardmig Floating-Point-Umgebung
    Original:
    default floating-point environment
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    (Makro konstant) [edit]
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