/* Internal definitions for dotproduct function */
struct dotprod {
int len; /* Number of coefficients */
/* On a MMX or SSE machine, these hold 4 copies of the coefficients,
* preshifted by 0,1,2,3 words to meet all possible input data
* alignments (see Intel ap559 on MMX dot products).
*
* SSE2 is similar, but with 8 words at a time
*
* On a non-MMX machine, only one copy is present
*/
signed short *coeffs[8];
};