maiafftw.h File Reference

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Namespaces
namespace	maia
	Namespace for auxiliary functions/classes.
namespace	maia::math

Functions
MInt	maia::math::getGlobalPosFFTW (MInt i0, MInt i1, MInt i2, MInt ny, MInt nz)
MFloat	maia::math::triadImag (fftw_complex &a, fftw_complex &b, fftw_complex &c)
MFloat	maia::math::randnormal (MFloat mu, MFloat sigma)
std::complex< MFloat > *	maia::math::getFourierCoefficient (MFloat *k, MFloat k0, const MFloat Ma)
std::complex< MFloat > *	maia::math::getFourierCoefficient2 (MFloat *k, MFloat k0)
void	maia::math::initFftFilter (MFloat *uPhysFieldCoarse, MFloat *vPhysFieldCoarse, MFloat *wPhysFieldCoarse, MInt lx, MInt ly, MInt lz, MInt lxCoarse, MInt lyCoarse, MInt lzCoarse, MInt noPeakModes, const MFloat Ma)
	Generates a velocity field from Fourier-modes using FFTW The disturbances are generated and filtered to a coarser resolution. More...
void	maia::math::initFft (fftw_complex *uPhysField, fftw_complex *vPhysField, fftw_complex *wPhysField, MInt lx, MInt ly, MInt lz, MInt noPeakModes, const MFloat Ma)
	Generates a velocity field from Fourier-modes using FFTW. More...
void	maia::math::computeEnergySpectrum (MFloatScratchSpace &velocity, MIntScratchSpace &indices, const ptrdiff_t howmany, MInt locSize, MInt nx, MInt ny, MInt nz, MFloat viscosity, const MPI_Comm comm)
	Compute energy spectrum on unity cube. More...