Lines Matching refs:xM
116 static void RPE_grid_selection P3((x,xM,Mc_out),
118 word * xM, /* [0..12] OUT */
214 /* Down-sampling by a factor 3 to get the selected xM[0..12]
217 for (i = 0; i <= 12; i ++) xM[i] = x[Mc + 3*i];
256 static void APCM_quantization P5((xM,xMc,mant_out,exp_out,xmaxc_out),
257 word * xM, /* [0..12] IN */
271 /* Find the maximum absolute value xmax of xM[0..12].
276 temp = xM[i];
303 /* Quantizing and coding of the xM[0..12] RPE sequence
333 temp = xM[i] << temp1;
459 word xM[13], xMp[13];
463 RPE_grid_selection(x, xM, Mc);
465 APCM_quantization( xM, xMc, &mant, &exp, xmaxc);