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std::valarray::operator+,-,~,!

提供: cppreference.com
< cpp‎ | numeric‎ | valarray

 
 
ニューメリックスライブラリ
一般的な数学関数
浮動小数点環境
複素数
数値配列
擬似乱数生成
コンパイル時有理数演算 (C++11)
汎用の数値演算
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
std::valarray
メンバ関数
Original:
Member functions
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非メンバ関数
Original:
Non-member functions
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ヘルパークラス
Original:
Helper classes
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valarray<T> operator+() const;
(1)
valarray<T> operator-() const;
(2)
valarray<T> operator~() const;
(3)
valarray<bool> operator!() const;
(4)
数値配列の各要素に単項演算子を適用.
Original:
Applies unary operators to each element in the numeric array.
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目次

[編集] パラメータ

(なし)
Original:
(none)
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[編集] 値を返します

*thisの値に対応する演算子を適用することによって得られた値を持つ要素を含む数値配列.
Original:
A numeric array containing elements with values obtained by applying corresponding operator to the values in *this.
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[編集] 例外

(なし)
Original:
(none)
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[編集] ノート

次の要件が満たされている場合の演算子は、インスタンシエーションのみできます
Original:
Each of the operators can only be instantiated if the following requirements are met:
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  • 指定された演算子はTを入力するために適用することができる
    Original:
    The indicated operator can be applied to type T
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  • 結果値が一義的T(1-3)またはbool(4)に変換することができます.
    Original:
    The result value can be unambiguously converted to T (1-3) or bool (4).
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関数はstd::valarrayから別の戻り値型で実装することができます。この場合、交換型は、次のプロパティがあります
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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  • constのすべてstd::valarrayメンバ関数が用意されています.
    Original:
    All const member functions of std::valarray are provided.
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  • std::valarraystd::slice_arraystd::gslice_arraystd::mask_arraystd::indirect_array交換タイプから構築することができます.
    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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  • タイプconst std::valarray&の引数を受け付ける機能は、すべての交換タイプを受け入れる必要があります.
    Original:
    All functions accepting a arguments of type const std::valarray& should also accept the replacement type.
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  • タイプconst std::valarray&の2つの引数を受け入れるすべての機能がconst std::valarray&と交換タイプのすべての組み合わせを受け入れるべき.
    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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