Espaços nominais
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atan2

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Funções matemáticas comuns
Funções
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Functions
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Operações básicas
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Basic operations
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Funções exponenciais
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Exponential functions
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Funções de poder
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Power functions
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Funções trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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Erro e funções gamma
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Error and gamma functions
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Número inteiro mais próximo de operações de ponto flutuante
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Nearest integer floating point operations
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Flutuando funções de manipulação de pontos
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Floating point manipulation functions
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Classificação
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Classification
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Constantes de macros
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Macro constants
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Definido no cabeçalho <math.h>
float       atan2f( float y, float x );
double      atan2( double y, double x );
long double atan2l( long double y, long double x );
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.
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Índice

[editar] Parâmetros

x, y -
flutuando valor de ponto
Original:
floating point value
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[editar] Valor de retorno

Arco tangente de y/x em radianos no intervalo de [-π; π] radianos.
Original:
Arc tangent of y/x in radians in the range of [-π; π] radians.
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[editar] Exemplo

[editar] Veja também

calcula do arco tangente (arctan(x))
Original:
computes arc tangent (arctan(x))
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(função) [edit]
calcula arco seno (arcsin(x))
Original:
computes arc sine (arcsin(x))
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(função) [edit]
calcula arco cosseno (arccos(x))
Original:
computes arc cosine (arccos(x))
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(função) [edit]
calcula tangente (tan(x))
Original:
computes tangent (tan(x))
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(função) [edit]