dot_c.mht

来自「常用的DSP算法集锦」· MHT 代码 · 共 34 行

MHT
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Date: Wed, 27 Sep 2006 22:49:53 +0800
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; charset=3Dgb2312">
<META content=3D"MSHTML 6.00.2900.2963" name=3DGENERATOR></HEAD>
<BODY><PRE>/* dot.c - dot product of two length-(M+1) vectors */

double dot(M, h, w)                            /* Usage: y =3D dot(M, h, =
w); */
double *h, *w;                                 /* \(h\) =3D filter =
vector, \(w\) =3D state vector */
int M;                                         /* \(M\) =3D filter order =
*/
{                       =20
       int i;
       double y;

       for (y=3D0, i=3D0; i&lt;=3DM; i++)               /* compute dot =
product */
              y +=3D h[i] * w[i];     =20

       return y;
}
</PRE></BODY></HTML>

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