将指定的双精度浮点数的值转换为等效的64位带符号整数。

Converts the value of the specified 64-bit unsigned integer to an equivalent 64-bit signed integer.

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将指定的双精度浮点数的值转换为等效的32位无符号整数。

Converts the value of the specified 64-bit unsigned integer to an equivalent 32-bit unsigned integer.

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将指定的双精度浮点数的值转换为等效的32位带符号整数。

Converts the value of the specified 64-bit unsigned integer to an equivalent 32-bit signed integer.

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