//void glColor3dv (const float64 *v) func Color3dv(v []float64) { if len(v) != 3 { panic(ErrorInputSize) } C.glColor3dv((*C.GLdouble)(&v[0])) }
//void glColor3dv (const float64 *v) func Color3dv(v *[3]float64) { C.glColor3dv((*C.GLdouble)(&v[0])) }