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Scilabヘルプ >> Elementary Functions > Floating point > floor

floor

下方向への丸め

呼び出し手順

[y]=floor(x)

引数

x

実数または複素数の行列

y

整数の行列(整数の実部と虚部を有する複素数行列)

説明

floor(x) は, 最も近い整数へ下方向の丸めた整数からなる整数行列を返します.

floor([1.3 1.5 1.7 2.5 3.7])
// 負のxに関する結果に注意
floor([-1.3 -1.5 -1.7 -2.5 -3.7])
floor([2.2+%i*23, %pi*%i, -%i ])

参照

  • round — 最も近い整数に丸める
  • fix — 0方向への丸め
  • ceil — 切り上げ
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