dsps_dotprode_f32_ansi.c File Reference

#include "dsps_dotprod.h"

Include dependency graph for dsps_dotprode_f32_ansi.c:

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Functions
esp_err_t	dsps_dotprode_f32_ansi (const float *src1, const float *src2, float *dest, int len, int step1, int step2)
	dot product of two float vectors with step Dot product calculation for two floating point arrays: *dest += (src1[i*step1] * src2[i*step2]); i= [0..N) The extension (_ansi) use ANSI C and could be compiled and run on any platform. The extension (_ae32) is optimized for ESP32 chip.

Function Documentation

dsps_dotprode_f32_ansi()

esp_err_t dsps_dotprode_f32_ansi	(	const float *	src1,
		const float *	src2,
		float *	dest,
		int	len,
		int	step1,
		int	step2 )

dot product of two float vectors with step Dot product calculation for two floating point arrays: *dest += (src1[i*step1] * src2[i*step2]); i= [0..N) The extension (_ansi) use ANSI C and could be compiled and run on any platform. The extension (_ae32) is optimized for ESP32 chip.

Parameters

[in]	src1	source array 1
[in]	src2	source array 2
	dest	destination pointer
[in]	len	length of input arrays
[in]	step1	step over elements in first array
[in]	step2	step over elements in second array

Returns

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

Definition at line 17 of file dsps_dotprode_f32_ansi.c.

{
    float acc = 0;
    for (int i = 0 ; i < len ; i++) {
        acc += src1[i * step1] * src2[i * step2];
    }
    *dest = acc;
    return ESP_OK;
}

References ESP_OK.