2015年9月14日 · Returns a float that is the tangent of theta. Because of IEE754 on floats , llTan (PI_BY_TWO) returns -22877332 ( hex: 0xCBAE8A4A) and not infinity.

Function: float llTan( float theta ); 参数：返回θ的正切值。 •浮动θ（( float theta )）–以弧度表示的角度 返回值：无

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2016年6月15日 · Returns a float that is the arctangent2 of y, x. Similar to the arctangent (y / x) except it utilizes the signs of x & y to determine the quadrant and avoids division by zero. If x is …

返回y，x的arctangent2浮点值。 •浮动x 与反正切（y/x）类似，只是它利用x&y的符号来确定象限并避免被零除。 如果x是正零并且。 y为零，返回零。 y为正，返回PI/2。 y为负，-PI/2被返回 …

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