interface/sdsdot.c

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin.           */
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/*      disclaimer.                                                  */
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/*      provided with the distribution.                              */
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/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
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/*********************************************************************/

#include <stdio.h>
#include "common.h"
#ifdef FUNCTION_PROFILE
#include "functable.h"
#endif

#ifndef CBLAS

FLOATRET NAME(blasint *N, FLOAT *a, FLOAT *x, blasint *INCX, FLOAT *y, blasint *INCY){

  BLASLONG n    = *N;
  BLASLONG incx = *INCX;
  BLASLONG incy = *INCY;
  FLOATRET ret;

  PRINT_DEBUG_NAME;

  if (n <= 0) return(*a) ;

  IDEBUG_START;

  FUNCTION_PROFILE_START();

  if (incx < 0) x -= (n - 1) * incx;
  if (incy < 0) y -= (n - 1) * incy;

  ret = (FLOATRET)(SDSDOT_K(n, x, incx, y, incy) + *a);

  FUNCTION_PROFILE_END(1, 2 * n, 2 * n);

  IDEBUG_END;

  return ret;

}

#else

FLOAT CNAME(blasint n, FLOAT alpha, FLOAT *x, blasint incx, FLOAT *y, blasint incy){

  FLOAT ret;

  PRINT_DEBUG_CNAME;

  if (n <= 0) return (alpha);

  IDEBUG_START;

  FUNCTION_PROFILE_START();

  if (incx < 0) x -= (n - 1) * incx;
  if (incy < 0) y -= (n - 1) * incy;

  ret = SDSDOT_K(n, x, incx, y, incy) + alpha;

  FUNCTION_PROFILE_END(1, 2 * n, 2 * n);

  IDEBUG_END;

  return ret;
}

#endif