dspf_sp_dotp_sqr.h

详细的OFDM设计过程

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/*  TEXAS INSTRUMENTS, INC.                                                 */
/*                                                                          */
/*  NAME                                                                    */
/*      DSPF_sp_dotp_sqr -- Single Precision dot product and sum of square  */
/*                                                                          */
/*     USAGE                                                                */
/*       This routine has the following C prototype:                        */
/*                                                                          */
/*       float DSPF_sp_dotp_sqr(                                            */
/*                       float G,                                           */
/*                       const float * x,                                   */
/*                       const float * y,                                   */
/*                       float *  restrict r,                               */
/*                       int   nx                                           */
/*                       )                                                  */
/*            G:      Sum of y-squared initial value.                       */
/*            x[nx]:  Pointer to First input array.                         */
/*            y[nx]:  Pointer to Second input array.                        */
/*            r:      Pointer to Output for Accumulation of x[]*y[].        */
/*            nx:     Length of input vectors.                              */
/*                                                                          */
/*     DESCRIPTION                                                          */
/*                                                                          */
/*       This routine computes the dot product of x[] and y[] arrays,       */
/*   adding it to the value in the location pointed to by r.                */
/*   Additionally, it computes the sum of the squares of the terms          */
/*   in the y array,adding it to the argument G. The final value of         */
/*   G is given as the return value of the function.                        */
/*                                                                          */
/* ------------------------------------------------------------------------ */
/*            Copyright (c) 2003 Texas Instruments, Incorporated.           */
/*                           All Rights Reserved.                           */
/* ======================================================================== */
#ifndef DSPF_SP_DOTP_SQR_
#define DSPF_SP_DOTP_SQR_ 1

float DSPF_sp_dotp_sqr(float G, const float * x, const float * y, float *restrict r, int nx);

#endif
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/*  End of file: dspf_sp_dotp_sqr.h                                        */
/* ------------------------------------------------------------------------*/
/*          Copyright (C) 2003 Texas Instruments, Incorporated.            */
/*                          All Rights Reserved.                           */
/* ========================================================================*/