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std::atan2<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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< 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
 
 
Defined in header <valarray>
template< class T >
valarray<T> atan2( const valarray<T>& y, const valarray<T>& x );
(1)
template< class T >
valarray<T> atan2( const valarray<T>& y, const T& vx );
(2)
template< class T >
valarray<T> atan2( const T& vy, const valarray<T>& x );
(3)
Calcule la tangente inverse de y/x en utilisant les signes d'arguments pour déterminer correctement le quadrant .
Original:
Computes the inverse tangent of y/x using the signs of arguments to correctly determine quadrant.
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1)
Calcule la tangente inverse de chaque paire de valeurs correspondantes de y et x .
Original:
Computes the inverse tangent of each pair of corresponding values from y and x.
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Le comportement est indéfini si x.size() != y.size() .
Original:
The behavior is undefined if x.size() != y.size().
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2)
Calcule la tangente inverse de vx et chaque valeur de la y tableau numérique .
Original:
Computes the inverse tangent of vx and each value in the numeric array y.
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3)
Calcule la tangente inverse de vy et chaque valeur de la x tableau numérique .
Original:
Computes the inverse tangent of vy and each value in the numeric array x.
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Sommaire

[modifier] Paramètres

x, y -
tableaux numériques pour calculer la tangente inverse d'
Original:
numeric arrays to compute inverse tangent of
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vy, vx -
pour calculer les valeurs de tangente inverse
Original:
values to compute inverse tangent of
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[modifier] Retourne la valeur

Un tableau numérique contenant les résultats du calcul de la tangente inverse .
Original:
A numeric array containing the results of computation of inverse tangent.
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[modifier] Notes

Fonction sans réserve (atan2) est utilisé pour effectuer le calcul. Si cette fonction n'est pas disponible, std::atan2 est utilisé en raison de l'argument de recherche sous la g .
Original:
Unqualified function (atan2) is used to perform the computation. If such function is not available, std::atan2 is used due to argument dependent lookup.
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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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[modifier] Exemple

[modifier] Voir aussi

arc tangente, en utilisant des signes pour déterminer quadrants
Original:
arc tangent, using signs to determine quadrants
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(fonction) [edit]