Real Trigonometric FFT

Computes the Discrete Fourier Transform
of a rank-1 complex array, x............................................................................. FAST_DFT

Computes the Discrete Fourier Transform (2DFT)
of a rank-2 complex array, x........................................................................... FAST_2DFT

Computes the Discrete Fourier Transform 2DFT)
of a rank-3 complex array, x........................................................................... FAST_3DFT

Forward transform................................................................................................. FFTRF

Backward or inverse transform............................................................................... FFTRB

Initialization routine for FFTR*.................................................................................. FFTRI

Complex Exponential FFT

Forward transform................................................................................................. FFTCF

Backward or inverse transform............................................................................... FFTCB

Initialization routine for FFTC*.................................................................................. FFTCI

Real Sine and Cosine FFTs

Forward and inverse sine transform.......................................................................... FSINT

Initialization routine for FSINT................................................................................... FSINI

Forward and inverse cosine transform..................................................................... FCOST

Initialization routine for FCOST............................................................................... FCOSI

Real Quarter Sine and Quarter Cosine FFTs

Forward quarter sine transform............................................................................... QSINF

Backward or inverse transform................................................................................ QSINB

Initialization routine for QSIN*.................................................................................. QSINI

Forward quarter cosine transform.......................................................................... QCOSF

Backward or inverse transform.............................................................................. QCOSB

Initialization routine for QCOS*............................................................................... QCOSI

Two- and Three-Dimensional Complex FFTs

Forward transform................................................................................................. FFT2D

Backward or inverse transform................................................................................ FFT2B

Forward transform.................................................................................................. FFT3F

Backward or inverse transform................................................................................ FFT3B

Convolutions and Correlations

Real convolution.................................................................................................. RCONV

Complex convolution............................................................................................ CCONV

Real correlation.................................................................................................... RCORL

Complex correlation............................................................................................. CCORL

Laplace Transform

Inverse Laplace transform....................................................................................... INLAP

Inverse Laplace transform for smooth functions......................................................... SINLP

Visual Numerics, Inc. Visual Numerics - Developers of IMSL and PV-WAVE http://www.vni.com/ PHONE: 713.784.3131 FAX:713.781.9260