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A

AcademicFFT - Class in <Unnamed>

The purpose of this class is to encapsulate operations related to the discrete Fourier transform of periodic sequences, images, and volumes.

AcademicFFT(int, int) - Constructor for class AcademicFFT

This constructor prepares a one-dimensional Fourier transform.

AcademicFFT(int, int, int, int) - Constructor for class AcademicFFT

This constructor prepares a two-dimensional Fourier transform.

AcademicFFT(int, int, int, int, int, int) - Constructor for class AcademicFFT

This constructor prepares a three-dimensional Fourier transform.

AcademicFFT.InputDataType - Enum in <Unnamed>

This enumeration provides the constants that describe the type of input (complex or real) of a Fourier transform.

amplitudePhaseToRealImaginary(double[], double[]) - Static method in class AcademicFFT

This method converts complex data from an amplitude-phase representation to a real-imaginary representation.

amplitudePhaseToRealImaginary(float[], float[]) - Static method in class AcademicFFT

This method converts complex data from an amplitude-phase representation to a real-imaginary representation.

C

circularConvolution(double[], double[], double[], double[], double[], double[]) - Method in class AcademicFFT

This method computes the circular convolution of data provided in a real-imaginary representation.

circularConvolution(float[], float[], float[], float[], float[], float[]) - Method in class AcademicFFT

This method computes the circular convolution of data provided in a real-imaginary representation.

circularFourierConvolution(double[], double[], double[], double[], double[], double[]) - Method in class AcademicFFT

This method computes the circular convolution of data; the first operand is provided in a real-imaginary representation while the second operand is provided in a real-imaginary Fourier representation.

circularFourierConvolution(float[], float[], float[], float[], float[], float[]) - Method in class AcademicFFT

This method computes the circular convolution of data; the first operand is provided in a real-imaginary representation while the second operand is provided in a real-imaginary Fourier representation.

D

directTransform(double[], double[], double[], double[], AcademicFFT.InputDataType) - Method in class AcademicFFT

This method computes the Fourier transform of data provided in a real-imaginary representation.

directTransform(float[], float[], float[], float[], AcademicFFT.InputDataType) - Method in class AcademicFFT

This method computes the Fourier transform of data provided in a real-imaginary representation.

I

imBufferDouble - Variable in class AcademicFFT

imBufferFloat - Variable in class AcademicFFT

imDataDouble - Variable in class AcademicFFT

imDataFloat - Variable in class AcademicFFT

inverseTransform(double[], double[], double[], double[]) - Method in class AcademicFFT

This method computes the inverse Fourier transform of data provided in a real-imaginary representation.

inverseTransform(float[], float[], float[], float[]) - Method in class AcademicFFT

This method computes the inverse Fourier transform of data provided in a real-imaginary representation.

M

makeHermitian(double[], double[], double[], double[]) - Method in class AcademicFFT

This method enforces Hermitian symmetry to Fourier data provided in a real-imaginary representation.

makeHermitian(float[], float[], float[], float[]) - Method in class AcademicFFT

This method enforces Hermitian symmetry to Fourier data provided in a real-imaginary representation.

R

realImaginaryToAmplitudePhase(double[], double[]) - Static method in class AcademicFFT

This method converts complex data from a real-imaginary representation to an amplitude-phase representation.

realImaginaryToAmplitudePhase(float[], float[]) - Static method in class AcademicFFT

This method converts complex data from a real-imaginary representation to an amplitude-phase representation.

reBufferDouble - Variable in class AcademicFFT

reBufferFloat - Variable in class AcademicFFT

reDataDouble - Variable in class AcademicFFT

reDataFloat - Variable in class AcademicFFT

reset() - Static method in class AcademicFFT

Several static auxiliary data are stored by this class, as needs arise, to be reused by subsequent instances of this class; this method frees the associated memory.

V

valueOf(String) - Static method in enum AcademicFFT.InputDataType

Returns the enum constant of this type with the specified name.

values() - Static method in enum AcademicFFT.InputDataType

Returns an array containing the constants of this enum type, in the order they are declared.

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