vect_dsp16_convpart.c File Reference

#include "dsp.h"
#include "preprocessor.h"

Macros
#define	DSP16_CONVPART_KERNEL_X_FCT(x_num, data)
#define	DSP16_SUM_ITEM(x, line)   sum += pvect2[x]*pvect3[8 - x - 1];
#define	DSP16_SUM_ITEM_INIT(x, line)   sum += *pvect2++**--pvect3;

Functions
void	dsp16_vect_convpart (dsp16_t *vect1, dsp16_t *vect2, int vect2_size, dsp16_t *vect3, int vect3_size)
	16-bit fixed point version of the Partial Convolution. More...

#define DSP16_CONVPART_KERNEL_X_FCT	(		x_num,
			data
	)

Value:

static void TPASTE2(dsp16_vect_convpart_kernel_x, x_num)(dsp16_t *vect1, dsp16_t *vect2, int vect1_size, dsp16_t *vect3, int vect3_size) \
{ \
  int i, j; \
  dsp32_t sum; \
  dsp16_t *pvect3, *pvect2; \
\
  for(j=0; j<vect1_size; j++) \
    { \
      sum = 0; \
      pvect3 = &vect3[vect3_size]; \
      pvect2 = &vect2[j]; \
\
      MREPEAT(x_num, DSP16_SUM_ITEM_INIT, ) \
\
      for(i=x_num; i<vect3_size; i += 8) \
        { \
          pvect3 -= 8; \
          MREPEAT8(DSP16_SUM_ITEM, ) \
          pvect2 += 8; \
        } \
\
      vect1[j] = sum >> DSP16_QB; \
    } \
}

#define DSP16_SUM_ITEM	(		x,
			line
	)		sum += pvect2[x]*pvect3[8 - x - 1];

#define DSP16_SUM_ITEM_INIT	(		x,
			line
	)		sum += *pvect2++**--pvect3;