complex_vector_int.c File Reference

#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "floating_fudge.h"
#include <assert.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)

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Detailed Description

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Function Documentation

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:

	x	The first vector.
	y	The first vector.
	n	The number of elements in the vectors.
	pos	The starting position in the x vector.

Returns:

The dot product of the two vectors.

References 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:

	x	The first vector.
	y	The first vector.
	n	The number of elements in the vectors.

Returns:

The dot product of the two vectors.

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

Referenced by cvec_circular_dot_prodi16().

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:

	x	The first vector.
	y	The first vector.
	n	The number of elements in the vectors.

Returns:

The dot product of the two vectors.

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