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std::valarray::operator+,-,~,!

De cppreference.com
< cpp‎ | numeric‎ | valarray

 
 
Bibliothèque Numerics
Fonctions mathématiques courantes
Virgule flottante environnement
Nombres complexes
Tableaux numériques
La génération de nombres pseudo-aléatoires
Moment de la compilation arithmétique rationnelle (C++11)
Génériques des opérations numériques
Original:
Generic numeric operations
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iota (C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
std::valarray
Les fonctions membres
Original:
Member functions
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Tiers fonctions
Original:
Non-member functions
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Classes d'aide
Original:
Helper classes
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valarray<T> operator+() const;
(1)
valarray<T> operator-() const;
(2)
valarray<T> operator~() const;
(3)
valarray<bool> operator!() const;
(4)
S'applique opérateurs unaires à chaque élément du tableau numérique .
Original:
Applies unary operators to each element in the numeric array.
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Sommaire

[modifier] Paramètres

(Aucun)
Original:
(none)
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[modifier] Retourne la valeur

Un tableau numérique contenant des éléments avec des valeurs obtenues en appliquant l'opérateur correspondant aux valeurs de *this .
Original:
A numeric array containing elements with values obtained by applying corresponding operator to the values in *this.
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[modifier] Exceptions

(Aucun)
Original:
(none)
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[modifier] Notes

Chacun des opérateurs ne peut être instanciée si les conditions suivantes sont remplies:
Original:
Each of the operators can only be instantiated if the following requirements are met:
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  • L'opérateur indiqué peut être appliqué à taper T
    Original:
    The indicated operator can be applied to type T
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  • La valeur de résultat peut être converti sans ambiguïté à T (1-3) ou bool (4) .
    Original:
    The result value can be unambiguously converted to T (1-3) or bool (4).
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La fonction peut être mise en œuvre avec le type de retour différent de std::valarray. Dans ce cas, le type de remplacement a les propriétés 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 être construit à 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 également 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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