dsps_addc.h File Reference

#include "dsp_err.h"
#include "dsps_addc_platform.h"

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Macros
#define	dsps_addc_f32   dsps_addc_f32_ansi

Functions
esp_err_t	dsps_addc_f32_ansi (const float *input, float *output, int len, float C, int step_in, int step_out)
	add constant
esp_err_t	dsps_addc_f32_ae32 (const float *input, float *output, int len, float C, int step_in, int step_out)

Macro Definition Documentation

dsps_addc_f32

#define dsps_addc_f32   dsps_addc_f32_ansi

Definition at line 62 of file dsps_addc.h.

Function Documentation

dsps_addc_f32_ae32()

esp_err_t dsps_addc_f32_ae32	(	const float *	input,
		float *	output,
		int	len,
		float	C,
		int	step_in,
		int	step_out )

References C.

dsps_addc_f32_ansi()

esp_err_t dsps_addc_f32_ansi	(	const float *	input,
		float *	output,
		int	len,
		float	C,
		int	step_in,
		int	step_out )

add constant

The function adds constant to the input array x[i*step_out] = y[i*step_in] + C; i=[0..len) The implementation use ANSI C and could be compiled and run on any platform

Parameters

[in]	input	input array
	output	output array
	len	amount of operations for arrays
	C	constant value
	step_in	step over input array (by default should be 1)
	step_out	step over output array (by default should be 1)

Returns

• ESP_OK on success
• One of the error codes from DSP library

Definition at line 17 of file dsps_addc_f32_ansi.c.

{
    if (NULL == input) {
        return ESP_ERR_DSP_PARAM_OUTOFRANGE;
    }
    if (NULL == output) {
        return ESP_ERR_DSP_PARAM_OUTOFRANGE;
    }
 
    for (int i = 0 ; i < len ; i++) {
        output[i * step_out] = input[i * step_in] + C;
    }
    return ESP_OK;
}

References C, ESP_ERR_DSP_PARAM_OUTOFRANGE, and ESP_OK.

Referenced by dspm::Mat::operator+=(), and dspm::Mat::operator-=().

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