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Added sharp_make_mmajor_real_packed_alm_info

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Dag Sverre Seljebotn 2015-03-29 22:41:37 +02:00
parent e36488996f
commit c50c0fe27a
4 changed files with 53 additions and 15 deletions
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34
libsharp/sharp_lowlevel.h
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@ -86,10 +86,21 @@ typedef struct
} sharp_alm_info;
/*! alm_info flags */
typedef enum { SHARP_PACKED = 1
/*< m=0-coefficients are packed so that the (zero) imaginary part is
not present. mvstart is in units of *real* float/double for all
m; stride is in units of reals for m=0 and complex for m!=0 */
typedef enum { SHARP_PACKED = 1,
/*!< m=0-coefficients are packed so that the (zero) imaginary part is
not present. mvstart is in units of *real* float/double for all
m; stride is in units of reals for m=0 and complex for m!=0 */
SHARP_REAL_HARMONICS = 1<<6
/*!< Use the real spherical harmonic convention. For
m==0, the alm are treated exactly the same as in
the complex case. For m!=0, alm[i] represent a
pair (+abs(m), -abs(m)) instead of (real, imag),
and the coefficients are scaled by a factor of
sqrt(2) relative to the complex case. In other
words, (sqrt(.5) * alm[i]) recovers the
corresponding complex coefficient (when accessed
as complex).
*/
} sharp_almflags;
@ -172,17 +183,10 @@ typedef enum { SHARP_DP = 1<<4,
SHARP_ADD = 1<<5,
/*!< results are added to the output arrays, instead of
overwriting them */
SHARP_REAL_HARMONICS = 1<<6,
/*!< Use the real spherical harmonic convention. For
m==0, the alm are treated exactly the same as in
the complex case. For m!=0, alm[i] represent a
pair (+abs(m), -abs(m)) instead of (real, imag),
and the coefficients are scaled by a factor of
sqrt(2) relative to the complex case. In other
words, (sqrt(.5) * alm[i]) recovers the
corresponding complex coefficient (when accessed
as complex).
*/
/* NOTE: SHARP_REAL_HARMONICS, 1<<6, is also available in sharp_jobflags,
but its use here is deprecated in favor of having it in the sharp_alm_info */
SHARP_NO_FFT = 1<<7,
SHARP_USE_WEIGHTS = 1<<20, /* internal use only */