... signature of matrix 矩阵的正负号差 signed constant 带符号常数 signed decimal number 带符号的十进制数 ...
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For example, the constant OxFFFFFFFFL is a signed long.
例如，常数oxffffffffl是一个有符号的long类型。
If you want to turn all the bits on, a portable way to do this is to define a signed long constant with a value of -1.
如果我们希望所有位全部置位，那么一种可移植的方法是定义一个有符号的常数，其值为- 1。
Gets a signed count of the number of detents the mouse wheel has rotated, multiplied by the WHEEL_DELTA constant.
获取鼠标轮已转动的制动器数的有符号计数乘以wheel_delta常数。
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