spandsp 0.0.6
complex_vector_int.c File Reference
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "floating_fudge.h"
#include "mmx_sse_decs.h"
#include "spandsp/telephony.h"
#include "spandsp/logging.h"
#include "spandsp/complex.h"
#include "spandsp/vector_int.h"
#include "spandsp/complex_vector_int.h"

Functions

complexi32_t cvec_dot_prodi16 (const complexi16_t x[], const complexi16_t y[], int n)
 Find the dot product of two complex int16_t vectors.
complexi32_t cvec_dot_prodi32 (const complexi32_t x[], const complexi32_t y[], int n)
 Find the dot product of two complex int32_t vectors.
complexi32_t cvec_circular_dot_prodi16 (const complexi16_t x[], const complexi16_t y[], int n, int pos)
 Find the dot product of two complex int16_t vectors, where the first is a circular buffer with an offset for the starting position.
void cvec_lmsi16 (const complexi16_t x[], complexi16_t y[], int n, const complexi16_t *error)
void cvec_circular_lmsi16 (const complexi16_t x[], complexi16_t y[], int n, int pos, const complexi16_t *error)

Function Documentation

◆ cvec_circular_dot_prodi16()

complexi32_t cvec_circular_dot_prodi16 ( const complexi16_t x[],
const complexi16_t y[],
int n,
int pos )

Find the dot product of two complex int16_t vectors, where the first is a circular buffer with an offset for the starting position.

Parameters
xThe first vector.
yThe first vector.
nThe number of elements in the vectors.
posThe starting position in the x vector.
Returns
The dot product of the two vectors.

References cvec_dot_prodi16().

◆ cvec_dot_prodi16()

complexi32_t cvec_dot_prodi16 ( const complexi16_t x[],
const complexi16_t y[],
int n )

Find the dot product of two complex int16_t vectors.

Parameters
xThe first vector.
yThe first vector.
nThe number of elements in the vectors.
Returns
The dot product of the two vectors.

References complexi16_t::im, complexi32_t::im, complexi16_t::re, and complexi32_t::re.

Referenced by cvec_circular_dot_prodi16().

◆ cvec_dot_prodi32()

complexi32_t cvec_dot_prodi32 ( const complexi32_t x[],
const complexi32_t y[],
int n )

Find the dot product of two complex int32_t vectors.

Parameters
xThe first vector.
yThe first vector.
nThe number of elements in the vectors.
Returns
The dot product of the two vectors.

References complexi32_t::im, and complexi32_t::re.