Utility code needed for Surge filters. More...

Namespaces
	DSP

Classes
struct	SincTable
	Lookup table for evaluating the Sinc function. More...

Functions
template<typename T >
T	limit_range (const T &x, const T &low, const T &high)

template<typename T >
T	limit01 (const T &x)

template<typename T >
T	limitpm1 (const T &x)

void	hardclip_block (float *x, unsigned int nquads)

void	hardclip_block8 (float *x, unsigned int nquads)

void	softclip_block (float *in, unsigned int nquads)

void	tanh7_block (float *x, unsigned int nquads)

void	clear_block (float *in, unsigned int nquads)

void	clear_block_antidenormalnoise (float *in, unsigned int nquads)

void	accumulate_block (float src, float dst, unsigned int nquads)

void	copy_block (float src, float dst, unsigned int nquads)

void	copy_block_US (float src, float dst, unsigned int nquads)

void	copy_block_UD (float src, float dst, unsigned int nquads)

void	copy_block_USUD (float src, float dst, unsigned int nquads)

void	mul_block (float src1, float src2, float *dst, unsigned int nquads)

void	mul_block (float src1, float scalar, float dst, unsigned int nquads)

void	add_block (float src1, float src2, float *dst, unsigned int nquads)

void	subtract_block (float src1, float src2, float *dst, unsigned int nquads)

void	encodeMS (float L, float R, float M, float S, unsigned int nquads)

void	decodeMS (float M, float S, float L, float R, unsigned int nquads)

float	get_absmax (float *d, unsigned int nquads)

float	get_squaremax (float *d, unsigned int nquads)

float	get_absmax_2 (float d1, float d2, unsigned int nquads)

void	float2i15_block (float , short , int)

void	i152float_block (short , float , int)

void	i16toi15_block (short , short , int)

float	sine_ss (unsigned int x)

int	sine (int x)

__m128	sum_ps_to_ss (__m128 x)

__m128	max_ps_to_ss (__m128 x)

__m128	hardclip_ss (__m128 x)

float	rcp (float x)

__m128d	hardclip8_sd (__m128d x)

__m128	hardclip_ps (__m128 x)

float	saturate (float f)

__m128	softclip_ss (__m128 in)

__m128	softclip_ps (__m128 in)

__m128	tanh7_ps (__m128 x)

__m128	tanh7_ss (__m128 x)

__m128	abs_ps (__m128 x)

__m128	softclip8_ps (__m128 in)

double	tanh7_double (double x)

double	softclip_double (double in)

double	softclip4_double (double in)

double	softclip8_double (double in)

double	softclip2_double (double in)

float	megapanL (float pos)

float	megapanR (float pos)

float	i2f_binary_cast (int i)

Variables
constexpr int	MAX_FB_COMB = 2048

constexpr int	MAX_FB_COMB_EXTENDED = 2048 * 64

const __m128	m128_mask_signbit = _mm_set1_ps(i2f_binary_cast(0x80000000))

const __m128	m128_mask_absval = _mm_set1_ps(i2f_binary_cast(0x7fffffff))

const __m128	m128_zero = _mm_set1_ps(0.0f)

const __m128	m128_half = _mm_set1_ps(0.5f)

const __m128	m128_one = _mm_set1_ps(1.0f)

const __m128	m128_two = _mm_set1_ps(2.0f)

const __m128	m128_four = _mm_set1_ps(4.0f)

const __m128	m128_1234 = _mm_set_ps(1.f, 2.f, 3.f, 4.f)

const __m128	m128_0123 = _mm_set_ps(0.f, 1.f, 2.f, 3.f)

Detailed Description

Utility code needed for Surge filters.

Note that this code may be moved to a submodule at some point in the future.

Function Documentation

◆ limit_range()

T sst::filters::utilities::limit_range	(	const T &	x,
		const T &	low,
		const T &	high
	)

Referenced by sst::filters::VintageLadder::Common::clampedFrequency(), limit01(), limitpm1(), sst::filters::ResonanceWarp::makeCoefficients(), sst::filters::VintageLadder::RK::makeCoefficients(), sst::filters::CutoffWarp::makeCoefficients(), sst::filters::TriPoleFilter::makeCoefficients(), sst::filters::VintageLadder::Huov::makeCoefficients(), sst::filters::Map2PoleResonance(), sst::filters::Map2PoleResonance_noboost(), and sst::filters::Map4PoleResonance().

◆ limit01()

T sst::filters::utilities::limit01 ( const T & x )

References limit_range().

◆ limitpm1()

T sst::filters::utilities::limitpm1 ( const T & x )

References limit_range().

◆ hardclip_block()

void sst::filters::utilities::hardclip_block	(	float *	x,
		unsigned int	nquads
	)

◆ hardclip_block8()

void sst::filters::utilities::hardclip_block8	(	float *	x,
		unsigned int	nquads
	)

◆ softclip_block()

void sst::filters::utilities::softclip_block	(	float *	in,
		unsigned int	nquads
	)

◆ tanh7_block()

void sst::filters::utilities::tanh7_block	(	float *	x,
		unsigned int	nquads
	)

◆ clear_block()

void sst::filters::utilities::clear_block	(	float *	in,
		unsigned int	nquads
	)

◆ clear_block_antidenormalnoise()

void sst::filters::utilities::clear_block_antidenormalnoise	(	float *	in,
		unsigned int	nquads
	)

◆ accumulate_block()

void sst::filters::utilities::accumulate_block	(	float *	src,
		float *	dst,
		unsigned int	nquads
	)

◆ copy_block()

void sst::filters::utilities::copy_block	(	float *	src,
		float *	dst,
		unsigned int	nquads
	)

◆ copy_block_US()

void sst::filters::utilities::copy_block_US	(	float *	src,
		float *	dst,
		unsigned int	nquads
	)

◆ copy_block_UD()

void sst::filters::utilities::copy_block_UD	(	float *	src,
		float *	dst,
		unsigned int	nquads
	)

◆ copy_block_USUD()

void sst::filters::utilities::copy_block_USUD	(	float *	src,
		float *	dst,
		unsigned int	nquads
	)

◆ mul_block() [1/2]

void sst::filters::utilities::mul_block	(	float *	src1,
		float *	src2,
		float *	dst,
		unsigned int	nquads
	)

◆ mul_block() [2/2]

void sst::filters::utilities::mul_block	(	float *	src1,
		float	scalar,
		float *	dst,
		unsigned int	nquads
	)

◆ add_block()

void sst::filters::utilities::add_block	(	float *	src1,
		float *	src2,
		float *	dst,
		unsigned int	nquads
	)

◆ subtract_block()

void sst::filters::utilities::subtract_block	(	float *	src1,
		float *	src2,
		float *	dst,
		unsigned int	nquads
	)

◆ encodeMS()

void sst::filters::utilities::encodeMS	(	float *	L,
		float *	R,
		float *	M,
		float *	S,
		unsigned int	nquads
	)

◆ decodeMS()

void sst::filters::utilities::decodeMS	(	float *	M,
		float *	S,
		float *	L,
		float *	R,
		unsigned int	nquads
	)

◆ get_absmax()

float sst::filters::utilities::get_absmax	(	float *	d,
		unsigned int	nquads
	)

◆ get_squaremax()

float sst::filters::utilities::get_squaremax	(	float *	d,
		unsigned int	nquads
	)

◆ get_absmax_2()

float sst::filters::utilities::get_absmax_2	(	float *	d1,
		float *	d2,
		unsigned int	nquads
	)

◆ float2i15_block()

void sst::filters::utilities::float2i15_block	(	float *	,
		short *	,
		int
	)

◆ i152float_block()

void sst::filters::utilities::i152float_block	(	short *	,
		float *	,
		int
	)

◆ i16toi15_block()

void sst::filters::utilities::i16toi15_block	(	short *	,
		short *	,
		int
	)

◆ sine_ss()

float sst::filters::utilities::sine_ss ( unsigned int x )

◆ sine()

int sst::filters::utilities::sine ( int x )

◆ sum_ps_to_ss()

__m128 sst::filters::utilities::sum_ps_to_ss ( __m128 x )

Referenced by sst::filters::COMBquad_SSE2().

◆ max_ps_to_ss()

__m128 sst::filters::utilities::max_ps_to_ss ( __m128 x )

◆ hardclip_ss()

__m128 sst::filters::utilities::hardclip_ss ( __m128 x )

◆ rcp()

float sst::filters::utilities::rcp ( float x )

◆ hardclip8_sd()

__m128d sst::filters::utilities::hardclip8_sd ( __m128d x )

◆ hardclip_ps()

__m128 sst::filters::utilities::hardclip_ps ( __m128 x )

◆ saturate()

float sst::filters::utilities::saturate ( float f )

◆ softclip_ss()

__m128 sst::filters::utilities::softclip_ss ( __m128 in )

◆ softclip_ps()

__m128 sst::filters::utilities::softclip_ps ( __m128 in )

Referenced by sst::filters::COMBquad_SSE2(), and sst::filters::SNHquad().

◆ tanh7_ps()

__m128 sst::filters::utilities::tanh7_ps ( __m128 x )

References sst::filters::TriPoleFilter::ResWaveshaper::c, and sst::filters::OBXDFilter::one.

◆ tanh7_ss()

__m128 sst::filters::utilities::tanh7_ss ( __m128 x )

References sst::filters::TriPoleFilter::ResWaveshaper::c, and sst::filters::OBXDFilter::one.

◆ abs_ps()

__m128 sst::filters::utilities::abs_ps ( __m128 x )

References m128_mask_absval.

◆ softclip8_ps()

__m128 sst::filters::utilities::softclip8_ps ( __m128 in )

Referenced by sst::filters::LPMOOGquad().

◆ tanh7_double()

double sst::filters::utilities::tanh7_double ( double x )

References sst::filters::TriPoleFilter::ResWaveshaper::c.

◆ softclip_double()

double sst::filters::utilities::softclip_double ( double in )

◆ softclip4_double()

double sst::filters::utilities::softclip4_double ( double in )

◆ softclip8_double()

double sst::filters::utilities::softclip8_double ( double in )

◆ softclip2_double()

double sst::filters::utilities::softclip2_double ( double in )

◆ megapanL()

float sst::filters::utilities::megapanL ( float pos )

◆ megapanR()

float sst::filters::utilities::megapanR ( float pos )

◆ i2f_binary_cast()

float sst::filters::utilities::i2f_binary_cast ( int i )

Variable Documentation

◆ MAX_FB_COMB

constexpr int MAX_FB_COMB = 2048

constexpr

◆ MAX_FB_COMB_EXTENDED

constexpr int MAX_FB_COMB_EXTENDED = 2048 * 64