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simplification

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This commit is contained in:
Martin Reinecke 2012-12-27 14:56:17 +01:00
parent a8a1fafebb
commit af988856e9
2 changed files with 9 additions and 16 deletions
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11
libsharp/sharp_geomhelpers.c
View file

@ -35,15 +35,6 @@
#include "c_utils.h"
#include "ls_fft.h"
void sharp_make_healpix_geom_info (int nside, int stride,
sharp_geom_info **geom_info)
{
double *weight=RALLOC(double,2*nside);
SET_ARRAY(weight,0,2*nside,1);
sharp_make_weighted_healpix_geom_info (nside, stride, weight, geom_info);
DEALLOC(weight);
}
void sharp_make_weighted_healpix_geom_info (int nside, int stride,
const double *weight, sharp_geom_info **geom_info)
{
@ -87,7 +78,7 @@ void sharp_make_weighted_healpix_geom_info (int nside, int stride,
theta[m] = pi-theta[m];
ofs[m] = (npix - nph[m])*stride - ofs[m];
}
weight_[m]=4.*pi/npix*weight[northring-1];
weight_[m]=4.*pi/npix*((weight==NULL) ? 1. : weight[northring-1]);
}
sharp_make_geom_info (nrings, nph, ofs, stride_, phi0, theta, weight_,

14
libsharp/sharp_geomhelpers.h
View file

@ -38,19 +38,21 @@
extern "C" {
#endif
/*! Creates a geometry information describing a HEALPix map with an
Nside parameter \a nside.
\ingroup geominfogroup */
void sharp_make_healpix_geom_info (int nside, int stride,
sharp_geom_info **geom_info);
/*! Creates a geometry information describing a HEALPix map with an
Nside parameter \a nside. \a weight contains the relative ring
weights and must have \a 2*nside entries.
\note if \a weight is a null pointer, all weights are assumed to be 1.
\ingroup geominfogroup */
void sharp_make_weighted_healpix_geom_info (int nside, int stride,
const double *weight, sharp_geom_info **geom_info);
/*! Creates a geometry information describing a HEALPix map with an
Nside parameter \a nside.
\ingroup geominfogroup */
static inline void sharp_make_healpix_geom_info (int nside, int stride,
sharp_geom_info **geom_info)
{ sharp_make_weighted_healpix_geom_info (nside, stride, NULL, geom_info); }
/*! Creates a geometry information describing a Gaussian map with \a nrings
iso-latitude rings and \a nphi pixels per ring. The azimuth of the first
pixel in each ring is \a phi0 (in radians). The index difference between