OpenBLAS/kernel/mips/zgemv_t.c

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#include "common.h"

int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i, FLOAT *a, BLASLONG lda, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *buffer)
{
	BLASLONG i;
	BLASLONG ix,iy;
	BLASLONG j;
	FLOAT *a_ptr;
	FLOAT temp_r,temp_i;
	BLASLONG inc_x2,inc_y2;
	BLASLONG lda2;
	BLASLONG i2;

	lda2 = 2*lda;

	iy = 0;
	a_ptr = a;

	if ( inc_x == 1 && inc_y == 1 )
	{

	   for (j=0; j<n; j++)
	   {
		temp_r = 0.0;
		temp_i = 0.0;
		ix = 0;
		i2=0;

		for (i=0; i<m; i++)
		{

#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
			temp_r += a_ptr[i2] * x[ix]   - a_ptr[i2+1] * x[ix+1];
			temp_i += a_ptr[i2] * x[ix+1] + a_ptr[i2+1] * x[ix];
#else
			temp_r += a_ptr[i2] * x[ix]   + a_ptr[i2+1] * x[ix+1];
			temp_i += a_ptr[i2] * x[ix+1] - a_ptr[i2+1] * x[ix];
#endif

			i2 += 2;
			ix += 2;
		}

#if !defined(XCONJ)
		y[iy]   += alpha_r * temp_r - alpha_i * temp_i;
		y[iy+1] += alpha_r * temp_i + alpha_i * temp_r;
#else
		y[iy]   += alpha_r * temp_r + alpha_i * temp_i;
		y[iy+1] -= alpha_r * temp_i - alpha_i * temp_r;
#endif

		a_ptr += lda2;
		iy    += 2;
	   }

	   return(0);

	}


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

	for (j=0; j<n; j++)
	{
		temp_r = 0.0;
		temp_i = 0.0;
		ix = 0;
		i2=0;

		for (i=0; i<m; i++)
		{

#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
			temp_r += a_ptr[i2] * x[ix]   - a_ptr[i2+1] * x[ix+1];
			temp_i += a_ptr[i2] * x[ix+1] + a_ptr[i2+1] * x[ix];
#else
			temp_r += a_ptr[i2] * x[ix]   + a_ptr[i2+1] * x[ix+1];
			temp_i += a_ptr[i2] * x[ix+1] - a_ptr[i2+1] * x[ix];
#endif

			i2 += 2;
			ix += inc_x2;
		}

#if !defined(XCONJ)
		y[iy]   += alpha_r * temp_r - alpha_i * temp_i;
		y[iy+1] += alpha_r * temp_i + alpha_i * temp_r;
#else
		y[iy]   += alpha_r * temp_r + alpha_i * temp_i;
		y[iy+1] -= alpha_r * temp_i - alpha_i * temp_r;
#endif

		a_ptr += lda2;
		iy    += inc_y2;
	}

	return(0);

}