public static aiMatrix3x3 RotationZ(float a, aiMatrix3x3 arg1) {
aiMatrix3x3 ret = new aiMatrix3x3(AssimpPINVOKE.aiMatrix3x3_RotationZ(a, aiMatrix3x3.getCPtr(arg1)), false);
if (AssimpPINVOKE.SWIGPendingException.Pending) throw AssimpPINVOKE.SWIGPendingException.Retrieve();
return ret;
}