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Alm< T > Class Template Reference

#include <alm.h>

List of all members.

Public Member Functions

 Alm (int lmax_=0, int mmax_=0)
void Set (int lmax_, int mmax_)
void SetToZero ()
template<typename T2>
void Scale (const T2 &factor)
template<typename T2>
void ScaleL (const arr< T2 > &factor)
template<typename T2>
void Add (const T2 &num)
T & operator() (int l, int m)
const T & operator() (int l, int m) const
T * mstart (int m)
const T * mstart (int m) const
int Lmax () const
int Mmax () const
const arr< T > & Alms () const
void swap (Alm &other)
bool conformable (const Alm &other) const

Related Functions

(Note that these are not member functions.)

void smooth_with_Gauss (Alm< xcomplex< T > > &alm, double fwhm_arcmin)
void smooth_with_Gauss (Alm< xcomplex< T > > &almT, Alm< xcomplex< T > > &almG, Alm< xcomplex< T > > &almC, double fwhm_arcmin)
void rotate_alm (Alm< xcomplex< T > > &alm, double psi, double theta, double phi)
void rotate_alm (Alm< xcomplex< T > > &almT, Alm< xcomplex< T > > &almG, Alm< xcomplex< T > > &almC, double psi, double theta, double phi)
void rotate_alm (Alm< xcomplex< T > > &alm, const rotmatrix &mat)
void rotate_alm (Alm< xcomplex< T > > &almT, Alm< xcomplex< T > > &almG, Alm< xcomplex< T > > &almC, const rotmatrix &mat)


Detailed Description

template<typename T>
class Alm< T >

Class for storing spherical harmonic coefficients.

Definition at line 40 of file alm.h.


Constructor & Destructor Documentation

template<typename T>
Alm< T >::Alm int  lmax_ = 0,
int  mmax_ = 0
[inline]
 

Constructs an Alm object with given lmax and mmax.

Definition at line 48 of file alm.h.


Member Function Documentation

template<typename T>
void Alm< T >::Set int  lmax_,
int  mmax_
[inline]
 

Deletes the old coefficients and allocates storage according to lmax and mmax.

Definition at line 55 of file alm.h.

template<typename T>
void Alm< T >::SetToZero  )  [inline]
 

Sets all coefficients to zero.

Definition at line 66 of file alm.h.

template<typename T>
template<typename T2>
void Alm< T >::Scale const T2 &  factor  )  [inline]
 

Multiplies all coefficients by factor.

Definition at line 70 of file alm.h.

template<typename T>
template<typename T2>
void Alm< T >::ScaleL const arr< T2 > &  factor  )  [inline]
 

a(l,m) *= factor[l] for all l,m.

Definition at line 73 of file alm.h.

template<typename T>
template<typename T2>
void Alm< T >::Add const T2 &  num  )  [inline]
 

Adds num to a_00.

Definition at line 81 of file alm.h.

template<typename T>
T& Alm< T >::operator() int  l,
int  m
[inline]
 

Returns a reference to the specified coefficient.

Definition at line 85 of file alm.h.

template<typename T>
const T& Alm< T >::operator() int  l,
int  m
const [inline]
 

Returns a constant reference to the specified coefficient.

Definition at line 88 of file alm.h.

template<typename T>
T* Alm< T >::mstart int  m  )  [inline]
 

Returns a pointer for a given m, from which the address of a_lm can be obtained by adding l.

Definition at line 93 of file alm.h.

template<typename T>
const T* Alm< T >::mstart int  m  )  const [inline]
 

Returns a pointer for a given m, from which the address of a_lm can be obtained by adding l.

Definition at line 97 of file alm.h.

template<typename T>
int Alm< T >::Lmax  )  const [inline]
 

Returns the maximum l

Definition at line 101 of file alm.h.

template<typename T>
int Alm< T >::Mmax  )  const [inline]
 

Returns the maximum m

Definition at line 103 of file alm.h.

template<typename T>
const arr<T>& Alm< T >::Alms  )  const [inline]
 

Returns a constant reference to the a_lm data.

Definition at line 106 of file alm.h.

template<typename T>
void Alm< T >::swap Alm< T > &  other  )  [inline]
 

Swaps the contents of two A_lm objects.

Definition at line 109 of file alm.h.

template<typename T>
bool Alm< T >::conformable const Alm< T > &  other  )  const [inline]
 

Returns true, if both objects have the same lmax and mmax, else false.

Definition at line 119 of file alm.h.


Friends And Related Function Documentation

template<typename T>
void smooth_with_Gauss Alm< xcomplex< T > > &  alm,
double  fwhm_arcmin
[related]
 

Applies a convolution with a Gaussian beam with an FWHM of fwhm_arcmin arcmin to alm.

Note:
If fwhm_arcmin<0, a deconvolution with -fwhm_arcmin is performed.

Definition at line 238 of file alm_powspec_tools.cc.

template<typename T>
void smooth_with_Gauss Alm< xcomplex< T > > &  almT,
Alm< xcomplex< T > > &  almG,
Alm< xcomplex< T > > &  almC,
double  fwhm_arcmin
[related]
 

Applies a convolution with a Gaussian beam with an FWHM of fwhm_arcmin arcmin to almT, almG and almC.

Note:
If fwhm_arcmin<0, a deconvolution with -fwhm_arcmin is performed.

Definition at line 255 of file alm_powspec_tools.cc.

template<typename T>
void rotate_alm Alm< xcomplex< T > > &  alm,
double  psi,
double  theta,
double  phi
[related]
 

Rotates alm through the Euler angles psi, theta and phi. The Euler angle convention is right handed, rotations are active.

  • psi is the first rotation about the z-axis (vertical)
  • then theta about the ORIGINAL (unrotated) y-axis
  • then phi about the ORIGINAL (unrotated) z-axis (vertical)

Definition at line 421 of file alm_powspec_tools.cc.

template<typename T>
void rotate_alm Alm< xcomplex< T > > &  almT,
Alm< xcomplex< T > > &  almG,
Alm< xcomplex< T > > &  almC,
double  psi,
double  theta,
double  phi
[related]
 

Rotates almT, almG and almC through the Euler angles psi, theta and phi. The Euler angle convention is right handed, rotations are active.

  • psi is the first rotation about the z-axis (vertical)
  • then theta about the ORIGINAL (unrotated) y-axis
  • then phi about the ORIGINAL (unrotated) z-axis (vertical)

Definition at line 479 of file alm_powspec_tools.cc.

template<typename T>
void rotate_alm Alm< xcomplex< T > > &  alm,
const rotmatrix mat
[related]
 

Rotates alm through the rotation matrix mat.

Definition at line 555 of file alm_powspec_tools.cc.

template<typename T>
void rotate_alm Alm< xcomplex< T > > &  almT,
Alm< xcomplex< T > > &  almG,
Alm< xcomplex< T > > &  almC,
const rotmatrix mat
[related]
 

Rotates almT, almG and almC through the rotation matrix mat.

Definition at line 566 of file alm_powspec_tools.cc.


The documentation for this class was generated from the following files:
Generated on Fri Jul 8 09:37:15 2005 for Healpix C++