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Numeric and Promote Traits of FFTWComplex | ![]() |
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The numeric and promote traits for fftw_complex and FFTWComplex follow the general specifications for Numeric and Promotion Traits and AlgebraicField. They are explicitly specialized for the types involved:
template<> struct NumericTraits<fftw_complex> { typedef fftw_complex Promote; typedef fftw_complex RealPromote; typedef fftw_complex ComplexPromote; typedef fftw_real ValueType; typedef VigraFalseType isIntegral; typedef VigraFalseType isScalar; typedef VigraFalseType isOrdered; typedef VigraTrueType isComplex; // etc. }; template<> struct NumericTraits<FFTWComplex> { typedef FFTWComplex Promote; typedef FFTWComplex RealPromote; typedef FFTWComplex ComplexPromote; typedef fftw_real ValueType; typedef VigraFalseType isIntegral; typedef VigraFalseType isScalar; typedef VigraFalseType isOrdered; typedef VigraTrueType isComplex; // etc. }; template <> struct PromoteTraits<fftw_complex, fftw_complex> { typedef fftw_complex Promote; }; template <> struct PromoteTraits<fftw_complex, double> { typedef fftw_complex Promote; }; template <> struct PromoteTraits<double, fftw_complex> { typedef fftw_complex Promote; }; template <> struct PromoteTraits<FFTWComplex, FFTWComplex> { typedef FFTWComplex Promote; }; template <> struct PromoteTraits<FFTWComplex, double> { typedef FFTWComplex Promote; }; template <> struct PromoteTraits<double, FFTWComplex> { typedef FFTWComplex Promote; };
#include "vigra/fftw3.hxx" (for FFTW 3) or
#include "vigra/fftw.hxx" (for deprecated FFTW 2)
Namespace: vigra
© Ullrich Köthe (koethe@informatik.uni-hamburg.de) |
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