;* ======================================================================== *;
;*  TEXAS INSTRUMENTS, INC.                                                 *;
;*                                                                          *;
;*  DSPLIB  DSP Signal Processing Library                                   *;
;*                                                                          *;
;*      Release:        Version 1.02                                        *;
;*      CVS Revision:   1.4     Fri Mar 29 20:00:04 2002 (UTC)              *;
;*      Snapshot date:  18-Apr-2002                                         *;
;*                                                                          *;
;*  This library contains proprietary intellectual property of Texas        *;
;*  Instruments, Inc.  The library and its source code are protected by     *;
;*  various copyrights, and portions may also be protected by patents or    *;
;*  other legal protections.                                                *;
;*                                                                          *;
;*  This software is licensed for use with Texas Instruments TMS320         *;
;*  family DSPs.  This license was provided to you prior to installing      *;
;*  the software.  You may review this license by consulting the file       *;
;*  TI_license.PDF which accompanies the files in this library.             *;
;* ------------------------------------------------------------------------ *;
;*          Copyright (C) 2002 Texas Instruments, Incorporated.             *;
;*                          All Rights Reserved.                            *;
;* ======================================================================== *;
* ========================================================================= *
*                                                                           *
*   TEXAS INSTRUMENTS, INC.                                                 *
*                                                                           *
*   NAME                                                                    *
*       DSP_vecsumsq                                                        *
*                                                                           *
*   REVISION DATE                                                           *
*       13-Aug-1999                                                         *
*                                                                           *
*   USAGE                                                                   *
*       This routine is C callable, and has the following C prototype:      *
*                                                                           *
*           int DSP_vecsumsq                                                *
*           (                                                               *
*               const short *x,    /* Pointer to vector  */                 *
*               int          nx    /* Length of vector.  */                 *
*           )                                                               *
*                                                                           *
*       This routine returns the sum of squares as its return value.        *
*                                                                           *
*   DESCRIPTION                                                             *
*       The "DSP_vecsumsq" function returns the sum of squares of the       *
*       elements contained in vector "x".                                   *
*                                                                           *
*   C CODE                                                                  *
*       The following C code is a general implementation without            *
*       restrictions.  This implementation may have restrictions, as        *
*       noted under "ASSUMPTIONS" below.                                    *
*                                                                           *
*           int DSP_vecsumsq                                                *
*           (                                                               *
*               const short *x,    /* Pointer to vector  */                 *
*               int          nx    /* Length of vector.  */                 *
*           )                                                               *
*           {                                                               *
*               int i, sum = 0;                                             *
*                                                                           *
*               for (i = 0; i < nx; i++)                                    *
*                   sum += x[i] * x[i];                                     *
*                                                                           *
*               return sum;                                                 *
*           }                                                               *
*                                                                           *
*                                                                           *
*   ASSUMPTIONS                                                             *
*       The input length is a multiple of 2 and at least 8.                 *
*                                                                           *
*   NOTES                                                                   *
*       This function is interrupt tolerant, but not interruptible.         *
*       It locks out interrupts for its entire duration.                    *
*                                                                           *
*   MEMORY NOTE                                                             *
*       This function is ENDIAN NEUTRAL.                                    *
*       No bank conflicts occur under any conditions.                       *
*                                                                           *
*   CYCLES                                                                  *
*       cycles = count/2 + 19.                                              *
*                                                                           *
*   CODESIZE                                                                *
*       192 bytes                                                           *
*                                                                           *
* ------------------------------------------------------------------------- *
*             Copyright (c) 2002 Texas Instruments, Incorporated.           *
*                            All Rights Reserved.                           *
* ========================================================================= *

        .global _DSP_vecsumsq

* ========================================================================= *
*   End of file:  dsp_vecsumsq.h62                                          *
* ------------------------------------------------------------------------- *
*             Copyright (c) 2002 Texas Instruments, Incorporated.           *
*                            All Rights Reserved.                           *
* ========================================================================= *