OpenBLAS/kernel/arm/symv_L.c

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#include "common.h"

int CNAME(BLASLONG m, BLASLONG offset, FLOAT alpha, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
{
	BLASLONG i;
	BLASLONG ix,iy;
	BLASLONG jx,jy;
	BLASLONG j;
	FLOAT temp1;
	FLOAT temp2;

#if 0
	if ( m != offset )
		printf("Symv_L: m=%d offset=%d\n",m,offset);
#endif

	jx = 0;
	jy = 0;

	for (j=0; j<offset; j++)
	{
		temp1 = alpha * x[jx];
		temp2 = 0.0;
		y[jy] += temp1 * a[j*lda+j];
		iy = jy;
		ix = jx;
		for (i=j+1; i<m; i++)
		{
			ix += inc_x;
			iy += inc_y;
			y[iy] += temp1 * a[j*lda+i];
			temp2 += a[j*lda+i] * x[ix];
			
		}
		y[jy] += alpha * temp2;
		jx    += inc_x;
		jy    += inc_y;
	}
	return(0);
}