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>

 

C++

Langage

Concepts

Bibliothèque d'utilitaires

Bibliothèque pour les chaînes de caractères

Bibliothèque de conteneurs

Bibliothèque d'algorithmes

Bibliothèque d'itérateurs

Bibliothèque pour le calcul numérique

Bibliothèque pour les entrées/sorties

Bibliothèque pour la régionalisation

Bibliothèque pour les expressions régulières (C++11)

Bibliothèque pour les opérations atomiques (C++11)

Bibliothèque pour les processus légers (threads) (C++11)

 

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iota (C++11)

accumulate

inner_product

adjacent_difference

partial_sum

 

std::valarray

Les fonctions membres Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
valarray::valarray valarray::~valarray valarray::operator= valarray::operator[] valarray::swap valarray::size valarray::resize valarray::sum valarray::min valarray::max valarray::shift valarray::cshift valarray::apply	valarray::operator+ valarray::operator- valarray::operator~ valarray::operator! valarray::operator+= valarray::operator-= valarray::operator*= valarray::operator/= valarray::operator%= valarray::operator&= valarray::operator|= valarray::operator^= valarray::operator<<= valarray::operator>>=
Tiers fonctions Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
swap (C++11) begin (C++11) end (C++11) abs exp log log10 pow sqrt sin cos tan asin acos atan atan2 sinh cosh tanh	operator* operator/ operator% operator+ operator- operator^ None operator& operator| operator<< operator>> operator&& operator None operator== operator!= operator< operator> operator<= operator>=
Classes d'aide Original: Helper classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
slice_array gslice_array indirect_array	slice gslice mask_array

 

Déclaré dans l'en-tête <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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Paramètres

x, y	-	tableaux numériques pour calculer la tangente inverse d' Original: numeric arrays to compute inverse tangent of The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
vy, vx	-	pour calculer les valeurs de tangente inverse Original: values to compute inverse tangent of The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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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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 .

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  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 .

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  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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Voir aussi

atan2	arc tangente, en utilisant des signes pour déterminer quadrants Original: arc tangent, using signs to determine quadrants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction)