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++

Suporte ao Compilador

Freestanding and hosted

Linguagem

Headers da Biblioteca Standard

Requerimentos nomeados

Feature test macros (C++20)

Biblioteca de suporte de língua

Biblioteca de conceitos(C++20)

Biblioteca de diagnósticos

Biblioteca de utilitários em geral

Biblioteca de strings

Biblioteca de containers

Ranges library(C++20)

Biblioteca de iteradores

Biblioteca de algorítmos

Biblioteca numérica

Biblioteca de localizações

Biblioteca de input/output

Biblioteca de sistema de arquivo(C++17)

Biblioteca de expressões regulares(C++11)

Biblioteca de operações atômicas(C++11)

Biblioteca de suporte de thread(C++11)

Especificações Técnicas

Índice de symbolos

Bibliotecas externas

 

Biblioteca numéricos

Funções matemáticas comuns

De ponto flutuante ambiente

Números complexos

Matrizes numéricas

Pseudo-aleatório de geração de números

Tempo de compilação aritmética racional(C++11)

Genéricos operações 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)

accumulate

inner_product

adjacent_difference

partial_sum

 

std::valarray

Funções de membro 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>>=
Não-membros funções 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 auxiliares 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

 

Definido no cabeçalho <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 a tangente inversa de y/x usando os sinais de argumentos para determinar corretamente quadrante.

Original:

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

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

1)

Calcula a tangente inversa de cada par de valores correspondentes a partir y e x.

Original:

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

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

O comportamento é indefinido se x.size()!= y.size().

Original:

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

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

2)

Calcula a tangente inversa de vx e cada valor na y matriz numérica.

Original:

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

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

3)

Calcula a tangente inversa de vy e cada valor na x matriz numérica.

Original:

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

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

Parâmetros

x, y	-	matrizes numéricas para calcular a tangente inversa do 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 os 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

A matriz numérica com os resultados do cálculo da tangente inversa.

Original:

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

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

Notas

Qualificado de função (atan2) é usado para executar o cálculo. Se essa função não estiver disponível, std::atan2 é utilizado devido ao argumento de pesquisa dependente.

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.

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

A função pode ser implementada com o tipo de retorno diferente de std::valarray. Neste caso, o tipo de substituição tem as seguintes propriedades:

Original:

The function can be implemented with the return type different from std::valarray. In this case, the replacement type has the following properties:

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

• Todas as funções const membros std::valarray são fornecidos.

  Original:

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

  The text has been machine-translated via Google Translate.
  You can help to correct and verify the translation. Click here for instructions.
• std::valarray, std::slice_array, std::gslice_array, std::mask_arraystd::indirect_array e pode ser construído a partir do tipo de reposição.

  Original:

  std::valarray, std::slice_array, std::gslice_array, std::mask_array and std::indirect_array can be constructed from the replacement type.

  The text has been machine-translated via Google Translate.
  You can help to correct and verify the translation. Click here for instructions.
• Todas as funções de aceitar um argumentos de conststd::valarray& tipo devem também aceitar o tipo de substituição.

  Original:

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

  The text has been machine-translated via Google Translate.
  You can help to correct and verify the translation. Click here for instructions.
• Todas as funções que aceitam dois argumentos do tipo conststd::valarray& deve aceitar todas as combinações de conststd::valarray& e do tipo de substituição.

  Original:

  All functions accepting two arguments of type conststd::valarray& should accept every combination of conststd::valarray& and the replacement type.

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

Veja também

atan2	arco tangente, usando sinais para determinar quadrantes 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. (função)