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std::atan<div class="t-tr-text">(Std :: valarray)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::valarray)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> cppreference.com
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    std::atan<div class="t-tr-text">(Std :: valarray)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::valarray)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

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    <metanoindex/>

     
    C++
     
    Bibliothque Numerics
    Fonctions mathmatiques courantes
    Virgule flottante environnement
    Nombres complexes
    Tableaux numriques
    La gnration de nombres pseudo-alatoires
    Moment de la compilation arithmtique rationnelle (C++11)
    Gnriques des oprations numriques
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    Generic numeric operations
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    iota (C++11)
    accumulate
    inner_product
    adjacent_difference
    partial_sum
     
    std::valarray
    Les fonctions membres
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    Member functions
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    Tiers fonctions
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    Non-member functions
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    Classes d'aide
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    Helper classes
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    <tbody> </tbody>
    Dclar dans l'en-tte <valarray>
    template< class T > valarray<T> atan( const valarray<T>& va );
    Pour chaque lment en arc tangente va calcule la valeur de l'lment .
    Original:
    For each element in va computes arc tangent of the value of the element.
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    Paramtres

    va -
    tableau de valeurs appliquer l'opration
    Original:
    value array to apply the operation to
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    Retourne la valeur

    Tableau de valeurs contenant les tangentes l'arc des valeurs dans va .
    Original:
    Value array containing arc tangents of the values in va.
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    Notes

    Fonction sans rserve (atan) est utilis pour effectuer le calcul. Si cette fonction n'est pas disponible, std::atan est utilis en raison de l'argument de recherche sous la g .
    Original:
    Unqualified function (atan) is used to perform the computation. If such function is not available, std::atan is used due to argument dependent lookup.
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    La fonction peut tre mise en uvre avec le type de retour diffrent de std::valarray. Dans ce cas, le type de remplacement a les proprits suivantes:
    Original:
    The function can be implemented with the return type different from std::valarray. In this case, the replacement type has the following properties:
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    • Toutes les fonctions de membre de const std::valarray sont fournis .
      Original:
      All const member functions of std::valarray are provided.
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    • std::valarray, std::slice_array, std::gslice_array, std::mask_array et std::indirect_array peut tre construit partir du type de remplacement .
      Original:
      std::valarray, std::slice_array, std::gslice_array, std::mask_array and std::indirect_array can be constructed from the replacement type.
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    • Toutes les fonctions acceptant un argument de type de const std::valarray& devrait galement accepter le type de remplacement .
      Original:
      All functions accepting a arguments of type const std::valarray& should also accept the replacement type.
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    • Toutes les fonctions qui acceptent deux arguments de type de const std::valarray& devrait accepter toutes les combinaisons de const std::valarray& et le type de remplacement .
      Original:
      All functions accepting two arguments of type const std::valarray& should accept every combination of const std::valarray& and the replacement type.
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    Mise en uvre possible

    template<class T>
valarray<T> atan(const valarray<T>& va)
{
    valarray<T> other = va;
    for (T &i : other) {
        i = atan(i);
    }
}

    Exemple

    This section is incomplete
    Reason: no example
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