TAN1              169 libavcodec/xvididct.c     mm0 = MULT(TAN1, mm4, 16) + mm7;
TAN1              170 libavcodec/xvididct.c     mm1 = MULT(TAN1, mm7, 16) - mm4;
TAN1              219 libavcodec/xvididct.c     mm1 = MULT(TAN1, mm0, 16);
TAN1              261 libavcodec/xvididct.c     mm4 = MULT(TAN1, mm7, 16);