return ret;
}
+ //! Zero Rotation (0 degrees)
static angle
zero()
{
return ret;
}
+ //! One Complete Rotation (360 degrees)
static angle
one()
{
angle ret;
- ret.v=PI;
+ ret.v=PI*2;
return ret;
}
+ //! One Half Rotation (180 degrees)
static angle
half()
{
angle ret;
- ret.v=PI*0.5;
+ ret.v=PI;
return ret;
}
- bool operator!()const { return v==0; }
+ bool operator!()const { return std::abs(mod().v) < epsilon; }
private: