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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 浮點數數據類型 | 類型 | 內存占用(字節) |取值范圍 | float |4 | 大約7為精度±3.4E±38 | double | 8 | 大約15位精度±1.7E±308 |long double | 8| 大約15位精度±1.7E±308 ## 浮點數的表達 例如200.0f/200F 不帶后綴的浮點數一律視為double類型 例如200.0 后綴位L/l的浮點數視為long double類型 ## 使用方法 ``` float a {100.000}; double a {100.0000}; ``` ``` float a {}; a=100.00; double a {}; a=100.0000; ```
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