func GetClipPlane(plane uint32, equation *float64) {
	C.glowGetClipPlane(gpGetClipPlane, (C.GLenum)(plane), (*C.GLdouble)(unsafe.Pointer(equation)))
}
func GetClipPlane(plane uint32, equation *float64) {
	C.glowGetClipPlane(gpGetClipPlane, (C.GLenum)(plane), (*C.GLdouble)(unsafe.Pointer(equation)))
}
func GetClipPlane ( plane uint32 , equation * float64 ) { C . glowGetClipPlane ( gpGetClipPlane , ( C . GLenum ) ( plane ) , ( * C . GLdouble ) ( unsafe . Pointer ( equation ) ) ) }
// return the coefficients of the specified clipping plane
return the coefficients of the specified clipping plane