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std::valarray::operator+=,-=,*=,/=,%=,&=,|=,<<=,>>=

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< cpp‎ | numeric‎ | valarray

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C++
 
Numeri libreria
Comuni funzioni matematiche
Virgola mobile ambiente
I numeri complessi
Array numerici
Pseudo-casuale generazione
In fase di compilazione aritmetica razionale (C++11)
Generici operazioni numeriche
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
std::valarray
Membri funzioni
Original:
Member functions
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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>>=
Non membri funzioni
Original:
Non-member functions
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Helper classi
Original:
Helper classes
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valarray<T> operator+=( const valarray<T>& v );

valarray<T> operator-=( const valarray<T>& v );
valarray<T> operator*=( const valarray<T>& v );
valarray<T> operator/=( const valarray<T>& v );
valarray<T> operator%=( const valarray<T>& v );
valarray<T> operator&=( const valarray<T>& v );
valarray<T> operator|=( const valarray<T>& v );
valarray<T> operator^=( const valarray<T>& v );
valarray<T> operator<<=( const valarray<T>& v );

valarray<T> operator>>=( const valarray<T>& v );
 (1)
valarray<T> operator+=( const T& val );

valarray<T> operator-=( const T& val );
valarray<T> operator*=( const T& val );
valarray<T> operator/=( const T& val );
valarray<T> operator%=( const T& val );
valarray<T> operator&=( const T& val );
valarray<T> operator|=( const T& val );
valarray<T> operator^=( const T& val );
valarray<T> operator<<=( const T& val );

valarray<T> operator>>=( const T& val );
 (2)
Si applica operatori di assegnazione composti ad ogni elemento della matrice numerica.
Original:
Applies compound assignment operators to each element in the numeric array.
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1)
Ogni elemento è assegnato valore ottenuto applicando l'operatore corrispondente al valore precedente dell'elemento e dal corrispondente elemento v.
Original:
Each element is assigned value obtained by applying the corresponding operator to the previous value of the element and corresponding element from v.
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Il comportamento è indefinito se size() != v.size()
Original:
The behavior is undefined if size() != v.size()
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Il comportamento è indefinito se uno dei valori in v viene calcolato durante l'assegnazione e dipende qualsiasi dei valori in *this, cioè, l'espressione sul lato destro della cessione si riferisce ad una variabile nel lato sinistro della assegnazione.
Original:
The behavior is undefined if any of the values in v is computed during the assignment and depends on any of the values in *this, that is, the expression on the right side of the assignment refers to a variable in the left side of the assignment.
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2)
Ogni elemento è assegnato valore ottenuto applicando l'operatore corrispondente al valore precedente dell'elemento e il valore di val.
Original:
Each element is assigned value obtained by applying the corresponding operator to the previous value of the element and the value of val.
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Indice

[modifica] Parametri

v -
un altro array numerico
Original:
another numeric array
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val -
un valore
Original:
a value
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[modifica] Valore di ritorno

*this

[modifica] Eccezioni

(Nessuno)
Original:
(none)
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[modifica] Note

Ciascuno degli operatori può essere un'istanza se soddisfa i seguenti requisiti:
Original:
Each of the operators can only be instantiated if the following requirements are met:
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  • L'operatore indicato può essere applicato al tipo T
    Original:
    The indicated operator can be applied to type T
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  • Il valore risultante può essere convertito in modo inequivocabile T (1-3) o bool (4).
    Original:
    The result value can be unambiguously converted to T (1-3) or bool (4).
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La funzione può essere implementata con il tipo restituito diverso da std::valarray. In questo caso, il tipo di sostituzione ha le seguenti proprietà:
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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  • Tutte le funzioni di membro const std::valarray sono forniti.
    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 std::indirect_array e può essere costruito con il tipo di sostituzione.
    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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  • Tutte le funzioni che accettano un argomento di const std::valarray& tipo devono anche accettare il tipo di sostituzione.
    Original:
    All functions accepting a arguments of type const std::valarray& should also accept the replacement type.
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  • Tutte le funzioni che accettano due argomenti di tipo const std::valarray& dovrebbe accettare ogni combinazione di const std::valarray& e il tipo di sostituzione.
    Original:
    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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