#include <emmintrin.h>
#include <immintrin.h>
#include <bitset>
#include "utils.h"

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Functions
static void	ConvertShortToFloat (const short in_buf, float out_buf, size_t n_elems)
	Produces outputs -1->+0.999. More...

static void	SimdConvertShortToFloatAVX512 (const short in_buf, float out_buf, size_t n_elems)

static void	SimdConvertShortToFloatAVX2 (const short in_buf, float out_buf, size_t n_elems)

static void	SimdConvertShortToFloat (const short in_buf, float out_buf, size_t n_elems)

static void	SimdConvertFloatToShortAVX512 (const float in_buf, short out_buf, size_t n_elems, size_t n_prefix, float scale_down_factor)

static void	SimdConvertFloatToShortAVX2 (const float in_buf, short out_buf, size_t n_elems, size_t n_prefix, float scale_down_factor)

static void	ConvertFloatToShort (const float in_buf, short out_buf, size_t n_elems, size_t n_prefix=0, float scale_down_factor=1.0f)

static void	SimdConvertFloatToShort (const float in_buf, short out_buf, size_t n_elems, size_t n_prefix=0, float scale_down_factor=1.0f)

static void	SimdConvertCxFloatToCxShort (const std::complex< float > in_buf, std::complex< short > out_buf, size_t n_elems, size_t n_prefix, float scale_down_factor)

static void	ConvertFloatTo12bitIq (const float in_buf, uint8_t out_buf, size_t n_elems)

static void	Convert12bitIqTo16bitIq (uint8_t in_buf, uint16_t out_buf, size_t n_elems)

static void	SimdConvert12bitIqToFloat (const uint8_t in_buf, float out_buf, const uint16_t *in_16bits_buf, size_t n_elems)

static void	SimdConvertFloat16ToFloat32 (float out_buf, const float in_buf, size_t n_elems)

static void	SimdConvertFloat32ToFloat16 (float out_buf, const float in_buf, size_t n_elems)

Variables
static constexpr float	kShrtFltConvFactor = 32768.0f

constexpr size_t	kAvx2Bits = 256

constexpr size_t	kAvx2Bytes = kAvx2Bits / 8

constexpr size_t	kAvx2FloatsPerInstr = kAvx2Bytes / sizeof(float)

constexpr size_t	kAvx2FloatsPerLoop = kAvx2FloatsPerInstr * 2

constexpr size_t	kAvx2ShortsPerInstr = kAvx2Bytes / sizeof(short)

constexpr size_t	kAvx2ShortsPerLoop = kAvx2ShortsPerInstr / 2

Function Documentation

◆ Convert12bitIqTo16bitIq()

static void Convert12bitIqTo16bitIq	(	uint8_t *	in_buf,
		uint16_t *	out_buf,
		size_t	n_elems
	)

inlinestatic

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◆ ConvertFloatTo12bitIq()

static void ConvertFloatTo12bitIq	(	const float *	in_buf,
		uint8_t *	out_buf,
		size_t	n_elems
	)

inlinestatic

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◆ ConvertFloatToShort()

static void ConvertFloatToShort	(	const float *	in_buf,
		short *	out_buf,
		size_t	n_elems,
		size_t	n_prefix = `0`,
		float	scale_down_factor = `1.0f`
	)

inlinestatic

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◆ ConvertShortToFloat()

static void ConvertShortToFloat	(	const short *	in_buf,
		float *	out_buf,
		size_t	n_elems
	)

inlinestatic

Produces outputs -1->+0.999.

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◆ SimdConvert12bitIqToFloat()

static void SimdConvert12bitIqToFloat	(	const uint8_t *	in_buf,
		float *	out_buf,
		const uint16_t *	in_16bits_buf,
		size_t	n_elems
	)

inlinestatic

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◆ SimdConvertCxFloatToCxShort()

static void SimdConvertCxFloatToCxShort	(	const std::complex< float > *	in_buf,
		std::complex< short > *	out_buf,
		size_t	n_elems,
		size_t	n_prefix,
		float	scale_down_factor
	)