OpenBLAS/interface/zaxpby.c

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/**********************************************************************
 2014/06/07 Saar

**********************************************************************/


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

#ifndef CBLAS

void NAME(blasint *N, FLOAT *ALPHA, FLOAT *x, blasint *INCX, FLOAT *BETA, FLOAT *y, blasint *INCY)
{

  blasint n    = *N;
  blasint incx = *INCX;
  blasint incy = *INCY;

#else

void CNAME(blasint n, FLOAT *ALPHA, FLOAT *x, blasint incx, FLOAT *BETA, FLOAT *y, blasint incy)
{

#endif

  FLOAT alpha_r = *(ALPHA + 0);
  FLOAT alpha_i = *(ALPHA + 1);
  FLOAT beta_r  = *(BETA  + 0);
  FLOAT beta_i  = *(BETA  + 1);

  if (n <= 0) return;

  FUNCTION_PROFILE_START();

  if (incx < 0) x -= (n - 1) * incx * 2;
  if (incy < 0) y -= (n - 1) * incy * 2;

  AXPBY_K (n, alpha_r, alpha_i, x, incx, beta_r, beta_i, y, incy);

  FUNCTION_PROFILE_END(4, 2 * n, 2 * n);

  return;

}