模板:Rounddown/doc
 | 此頁面是Template:Rounddown的模板文件。 此頁面可能包含了模板的使用說明、分類和其他內容。 |
 | 此模板文件被引用於約4,800個頁面。 為了避免造成大規模的影響，所有對此模板文件的編輯應先於沙盒、測試樣例或您的沙盒上測試。 測試後無誤的版本可以一次性地加入此模板文件中，但是修改前請務必於討論頁發起討論。 模板引用數量會自動更新。 |
 | 此模板的文檔不存在、不全面或不能詳細描述其功能及/或其代碼中的參數。請幫助擴充並改進其文檔。 |
This template rounds down (aka 「truncates」) a numeric value to a limited number of decimal places.
- Usage:
- {{Rounddown|value}}
- {{Rounddown|value|decimals}}
- Both parameters can be any valid numeric expression.
- The decimals parameter defaults to 0 and is rounded to the nearest integer.
- decimals can be negative to round down to a multiple of a power of ten.
- If decimals is not between -20 and 20, the value is returned without rounding.
- Examples:
- {{Rounddown|3.14159|3}} = 3.141
- {{Rounddown|0.123|3}} = 0.123 (should be 0.123, not 0)
- {{Rounddown|0.00032|3}} = 0 (should be 0, not "-0")
- {{Rounddown|-0.123|3}} = -0.123 (should be -0.123, not 0)
- {{Rounddown|-3.14159|3}} = -3.142
- {{Rounddown|0.31415|0}} = 0 (should be 0, not "-0")
- {{Rounddown|0|0}} = 0 (should be 0, not "-1")
- {{Rounddown|-0.31415|0}} = -1
- {{Rounddown|314159|-3}} = 314000
- {{Rounddown|314.15|-3}} = 0 (should be 0, not "-0")
- {{Rounddown|-314159|-3}} = -315000