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++

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Numéricos biblioteca

Funciones matemáticas comunes

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Los números complejos

Matrices numéricas

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En tiempo de compilación aritmética racional (C++11)

Genéricos operaciones numéricas 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)

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std::valarray

Las funciones miembro 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>>=
Terceros funciones 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>=
Clases de ayuda 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

 

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)

Calcula la tangente inversa de y/x utilizando los signos de argumentos para determinar correctamente cuadrante .

Original:

Computes the inverse tangent of y/x using the signs of arguments to correctly determine quadrant.

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1)

Calcula la tangente inversa de cada par de valores correspondientes de y y x .

Original:

Computes the inverse tangent of each pair of corresponding values from y and x.

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El comportamiento no está definido si x.size() != y.size() .

Original:

The behavior is undefined if x.size() != y.size().

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2)

Calcula la tangente inversa de vx y cada valor de la matriz numérica y .

Original:

Computes the inverse tangent of vx and each value in the numeric array y.

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3)

Calcula la tangente inversa de vy y cada valor de la matriz numérica x .

Original:

Computes the inverse tangent of vy and each value in the numeric array x.

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Parámetros

x, y	-	matrices numéricas para calcular tangente inversa 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	-	para calcular los valores de tangente inversa 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.

Valor de retorno

Una matriz numérica que contiene los resultados de cálculo de la tangente inversa .

Original:

A numeric array containing the results of computation of inverse tangent.

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Notas

Función Cualificado (atan2) se utiliza para realizar el cálculo. Si tal función no está disponible, std::atan2 se utiliza debido a búsqueda argumento dependiente .

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 función se puede implementar con el tipo de retorno diferente de std::valarray. En este caso, el tipo de reemplazo tiene las siguientes propiedades:

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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• Todas las funciones miembro de const std::valarray se proporcionan .

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  All const member functions of std::valarray are provided.

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• std::valarray, std::slice_array, std::gslice_array, std::mask_array std::indirect_array y puede ser construida a partir del tipo de reemplazo .

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  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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• Todas las funciones que aceptan un argumento de tipo const std::valarray& también deben aceptar el tipo de reemplazo .

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  All functions accepting a arguments of type const std::valarray& should also accept the replacement type.

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• Todas las funciones que aceptan dos argumentos de tipo const std::valarray& debe aceptar todas las combinaciones de const std::valarray& y el tipo de reemplazo .

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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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Ver también

atan2	arco tangente, usando signos para determinar cuadrantes 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. (función)