语音压缩

开发平台：

C/C++

test.c：源码内容

							Longword L_v_magsq(Shortword *vec1,Shortword n,Shortword qvec1,Shortword qout)
{
    Shortword i,shift;
    Longword L_magsq;
    Longword L_temp,L_mult,L_qvec1,L_qout;
    L_temp = 0; //  L_data_move();mark del
    for(i = 0; i < n; i++){
	   L_mult = _smpy(vec1[i],vec1[i]);
	   L_temp = _sadd(L_temp,L_mult);
	}
       /* L_temp = L_mac(L_temp,vec1[i],vec1[i]);*/
    /* ((qout-16)-((2*qvec1+1)-16)) */
   /* shift = sub(sub(qout,shl(qvec1,1)),1);*/
	L_qvec1 = (Longword)qvec1;                                     
 	L_qout = (Longword)qout;                                           
    L_mult = _sshl(L_qvec1,1);                                    
	L_mult = _sub2(L_qout,L_mult);                                     
 	L_mult = _sub2(L_mult,1);                                     
  	shift = (Shortword) (0x0000ffffL & L_mult); 
    /*L_magsq = L_shl(L_temp,shift); //  L_data_move();mark del*/
    L_magsq = _sshvl(L_temp,shift);  
    return(L_magsq);
} /* L_v_magsq */

						