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std::atan2

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< cpp‎ | numeric‎ | math

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C++
 
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)
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Generic numeric operations
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accumulate
inner_product
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remainder (C++11)
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fmax (C++11)
fmin (C++11)
fdim (C++11)
nan
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Les fonctions exponentielles
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exp2 (C++11)
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Entier le plus proche opérations en virgule flottante
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FP_SUBNORMAL
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(C++11)
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(C++11)
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Déclaré dans l'en-tête <cmath>
float       atan2( float y, float x );
 (1)
double      atan2( double y, double x );
 (2)
long double atan2( long double y, long double x );
 (3)
Promoted    atan2( Arithmetic y, Arithmetic x );
 (4) (depuis C++11)
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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4)
Si un argument est de type intégral, il est jeté à double. Si aucun autre argument est long double, puis le type de retour est long double, sinon il est double .
Original:
If any argument has integral type, it is cast to double. If any other argument is long double, then the return type is long double, otherwise it is double.
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Sommaire

[modifier] Paramètres

x, y -
valeur du point flottant
Original:
floating point value
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[modifier] Retourne la valeur

Arc tangente de y/x en radians dans l'intervalle de radians [-π; π] .
Original:
Arc tangent of y/x in radians in the range of [-π; π] radians.
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Return value