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juce::dsp::FastMathApproximations Struct Reference

#include <juce_FastMathApproximations.h>

Static Public Member Functions

template<typename FloatType >
static FloatType cosh (FloatType x) noexcept
 
template<typename FloatType >
static void cosh (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType sinh (FloatType x) noexcept
 
template<typename FloatType >
static void sinh (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType tanh (FloatType x) noexcept
 
template<typename FloatType >
static void tanh (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType cos (FloatType x) noexcept
 
template<typename FloatType >
static void cos (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType sin (FloatType x) noexcept
 
template<typename FloatType >
static void sin (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType tan (FloatType x) noexcept
 
template<typename FloatType >
static void tan (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType exp (FloatType x) noexcept
 
template<typename FloatType >
static void exp (FloatType *values, size_t numValues) noexcept
 
template<typename FloatType >
static FloatType logNPlusOne (FloatType x) noexcept
 
template<typename FloatType >
static void logNPlusOne (FloatType *values, size_t numValues) noexcept
 

Detailed Description

This class contains various fast mathematical function approximations.

Definition at line 37 of file juce_FastMathApproximations.h.

Member Function Documentation

◆ cos() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::cos ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function cos(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -pi and +pi for limiting the error.

Definition at line 146 of file juce_FastMathApproximations.h.

◆ cos() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::cos ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function cos(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -pi and +pi for limiting the error.

Definition at line 131 of file juce_FastMathApproximations.h.

Referenced by cos().

◆ cosh() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::cosh ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function cosh(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -5 and +5 for limiting the error.

Definition at line 61 of file juce_FastMathApproximations.h.

◆ cosh() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::cosh ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function cosh(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -5 and +5 for limiting the error.

Definition at line 46 of file juce_FastMathApproximations.h.

Referenced by cosh().

◆ exp() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::exp ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function exp(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -6 and +4 for limiting the error.

Definition at line 230 of file juce_FastMathApproximations.h.

◆ exp() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::exp ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function exp(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -6 and +4 for limiting the error.

Definition at line 216 of file juce_FastMathApproximations.h.

Referenced by exp().

◆ logNPlusOne() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::logNPlusOne ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function log(x+1) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -0.8 and +5 for limiting the error.

Definition at line 257 of file juce_FastMathApproximations.h.

◆ logNPlusOne() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::logNPlusOne ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function log(x+1) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -0.8 and +5 for limiting the error.

Definition at line 243 of file juce_FastMathApproximations.h.

Referenced by logNPlusOne().

◆ sin() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::sin ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function sin(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -pi and +pi for limiting the error.

Definition at line 174 of file juce_FastMathApproximations.h.

◆ sin() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::sin ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function sin(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -pi and +pi for limiting the error.

Definition at line 159 of file juce_FastMathApproximations.h.

Referenced by sin().

◆ sinh() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::sinh ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function sinh(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -5 and +5 for limiting the error.

Definition at line 89 of file juce_FastMathApproximations.h.

◆ sinh() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::sinh ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function sinh(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -5 and +5 for limiting the error.

Definition at line 74 of file juce_FastMathApproximations.h.

Referenced by sinh().

◆ tan() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::tan ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function tan(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -pi/2 and +pi/2 for limiting the error.

Definition at line 202 of file juce_FastMathApproximations.h.

◆ tan() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::tan ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function tan(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -pi/2 and +pi/2 for limiting the error.

Definition at line 187 of file juce_FastMathApproximations.h.

Referenced by tan().

◆ tanh() [1/2]

template<typename FloatType >
static void juce::dsp::FastMathApproximations::tanh ( FloatType *  values,
size_t  numValues 
)
inlinestaticnoexcept

Provides a fast approximation of the function tanh(x) using a Pade approximant continued fraction, calculated on a whole buffer.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -5 and +5 for limiting the error.

Definition at line 117 of file juce_FastMathApproximations.h.

◆ tanh() [2/2]

template<typename FloatType >
static FloatType juce::dsp::FastMathApproximations::tanh ( FloatType  x)
inlinestaticnoexcept

Provides a fast approximation of the function tanh(x) using a Pade approximant continued fraction, calculated sample by sample.

Note: This is an approximation which works on a limited range. You are advised to use input values only between -5 and +5 for limiting the error.

Definition at line 102 of file juce_FastMathApproximations.h.

Referenced by tanh().


The documentation for this struct was generated from the following file: