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| Functions for FFTWComplex |

## Functions

FFTWComplex::value_type | abs (const FFTWComplex &a)
| absolute value (= magnitude)
FFTWComplex | conj (const FFTWComplex &a)
| complex conjugate
FFTWComplex::NormType | norm (const FFTWComplex &a)
| norm (= magnitude)
bool | operator!= (FFTWComplex const &a, const FFTWComplex &b)
| not equal
FFTWComplex | operator* (const double &a, FFTWComplex b)
| left multiplication with scalar double
FFTWComplex | operator* (FFTWComplex a, const double &b)
| right multiplication with scalar double
FFTWComplex | operator* (FFTWComplex a, const FFTWComplex &b)
| multiplication
FFTWComplex & | operator*= (FFTWComplex &a, const double &b)
| multiply-assignment with scalar double
FFTWComplex & | operator*= (FFTWComplex &a, const FFTWComplex &b)
| multiply-assignment
FFTWComplex | operator+ (FFTWComplex a, const FFTWComplex &b)
| addition
FFTWComplex & | operator+= (FFTWComplex &a, const FFTWComplex &b)
| add-assignment
FFTWComplex | operator- (FFTWComplex a, const FFTWComplex &b)
| subtraction
FFTWComplex & | operator-= (FFTWComplex &a, const FFTWComplex &b)
| subtract-assignment
FFTWComplex | operator/ (FFTWComplex a, const double &b)
| right division with scalar double
FFTWComplex | operator/ (FFTWComplex a, const FFTWComplex &b)
| division
FFTWComplex & | operator/= (FFTWComplex &a, const double &b)
| divide-assignment with scalar double
FFTWComplex & | operator/= (FFTWComplex &a, const FFTWComplex &b)
| divide-assignment
bool | operator== (FFTWComplex const &a, const FFTWComplex &b)
| equal
FFTWComplex::SquaredNormType | squaredNorm (const FFTWComplex &a)
| squared norm (= squared magnitude)

## Detailed Description

#include <vigra/fftw3.hxx> (for FFTW 3) or
#include <vigra/fftw.hxx> (for deprecated FFTW 2)

These functions fulfill the requirements of an Algebraic Field. Return types are determined according to Numeric and Promote Traits of FFTWComplex.

Namespace: vigra

© Ullrich Köthe (ullrich.koethe@iwr.uni-heidelberg.de) Heidelberg Collaboratory for Image Processing, University of Heidelberg, Germany | html generated using doxygen and Python vigra 1.7.1 (3 Dec 2010)