OpenBLAS/kernel/arm/zdot.c

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/**************************************************************************************
* 2013/09/14 Saar
*	 BLASTEST float		: FAIL
* 	 BLASTEST double	: FAIL
* 	 CTEST			: OK
* 	 TEST			: OK
*
**************************************************************************************/

#include "common.h"

OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y)

{
	BLASLONG i=0;
	BLASLONG ix=0,iy=0;
	FLOAT dot[2];
	OPENBLAS_COMPLEX_FLOAT result;
	BLASLONG inc_x2;
	BLASLONG inc_y2;

	dot[0]=0.0;
	dot[1]=0.0;
#if !defined(__PPC__) && !defined(__SunOS) && !defined(__PGI)
	CREAL(result) = 0.0 ;
	CIMAG(result) = 0.0 ;
#else
	result = OPENBLAS_MAKE_COMPLEX_FLOAT(0.0,0.0);
#endif
	if ( n < 1 )  return(result);

	inc_x2 = 2 * inc_x ;
	inc_y2 = 2 * inc_y ;

	while(i < n)
	{
#if !defined(CONJ)
		dot[0] += ( x[ix]   * y[iy] - x[ix+1] * y[iy+1] ) ;
		dot[1] += ( x[ix+1] * y[iy] + x[ix]   * y[iy+1] ) ;
#else
		dot[0] += ( x[ix]   * y[iy] + x[ix+1] * y[iy+1] ) ;
		dot[1] -= ( x[ix+1] * y[iy] - x[ix]   * y[iy+1] ) ;
#endif
		ix  += inc_x2 ;
		iy  += inc_y2 ;
		i++ ;

	}
#if !defined(__PPC__)	&& !defined(__SunOS) && !defined(__PGI)
        CREAL(result) = dot[0];
	CIMAG(result) = dot[1];
#else
	result = OPENBLAS_MAKE_COMPLEX_FLOAT(dot[0],dot[1]);
#endif
	return(result);

}