div, ldiv, lldiv
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| Defined in header <stdlib.h>
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| div_t div( int x, int y ); |
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| ldiv_t ldiv( long x, long y ); |
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| lldiv_t lldiv( long long x, long long y ); |
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| Defined in header <inttypes.h>
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商（発現x/yの結果）と剰余（発現x%yの結果）を同時に計算します。 (C99およびそれ以降)
Original:
Computes the quotient (the result of the expression x/y) and remainder (the result of the expression x%y) simultaneously. (C99およびそれ以降)
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同時に、商と剰余を計算します。商が（ゼロに向かって切り捨て）に破棄された小数部を持つ代数的な商です。残りはそのようなことquot * y + rem == xです。 (C99まで)
Original:
Computes quotient and remainder simultaneously. The quotient is the algebraic quotient with any fractional part discarded (truncated towards zero). The remainder is such that quot * y + rem == x. (C99まで)
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目次 |
[編集] ノート
C99までは、いずれかのオペランドが負の場合、商の丸めの方向とビルトイン除算と剰余演算子で剰余の符号は、実装定義であったが、それはdivには明確に定義されていたとldiv.
Original:
Until C99, the rounding direction of the quotient and the sign of the remainder in the built-in division and remainder operators was implementation-defined if either of the operands was negative, but it was well-defined in div and ldiv.
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[編集] パラメータ
| x, y | - | 整数値
Original: integer values The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[編集] 値を返します
型の構造
div_t、ldiv_t、ldiv_t、imaxdiv_tのように定義されますOriginal:
Structure of type
div_t, ldiv_t, ldiv_t, imaxdiv_t defined as:The text has been machine-translated via Google Translate.
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struct div_t { int quot; // The quotient int rem; // The remainder }; struct ldiv_t { long quot; // The quotient long rem; // The remainder }; struct lldiv_t { long long quot; // The quotient long long rem; // The remainder }; struct imaxdiv_t { std::intmax_t quot; // The quotient std::intmax_t rem; // The remainder };
[編集] も参照してください
| 浮動小数点除算の余り Original: remainder of the floating point division operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数) | |
| C++ documentation for div
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