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Martin Reinecke 2019-01-10 13:59:36 +01:00
parent c9684732b8
commit ef2907f050
13 changed files with 91 additions and 183 deletions
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17
libsharp/sharp_mpi.h
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@ -25,7 +25,7 @@
/*! \file sharp_mpi.h
* Interface for the spherical transform library with MPI support.
*
* Copyright (C) 2011,2012 Max-Planck-Society
* Copyright (C) 2011-2019 Max-Planck-Society
* \author Martin Reinecke \author Dag Sverre Seljebotn
*/
@ -40,21 +40,18 @@ extern "C" {
#endif
/*! Performs an MPI parallel libsharp SHT job. The interface deliberately does
not use the C99 "complex" data type, in order to be callable from C.
not use the C99 "complex" data type, in order to be callable from C89 and C++.
\param comm the MPI communicator to be used for this SHT
\param type the type of SHT
\param spin the spin of the quantities to be transformed
\param alm contains pointers to the a_lm coefficients. If \a spin==0,
alm[0] points to the a_lm of the first SHT, alm[1] to those of the second
etc. If \a spin>0, alm[0] and alm[1] point to the a_lm of the first SHT,
alm[2] and alm[3] to those of the second, etc. The exact data type of \a alm
alm[0] points to the a_lm of the SHT. If \a spin>0, alm[0] and alm[1]
point to the two a_lm sets of the SHT. The exact data type of \a alm
depends on whether the SHARP_DP flag is set.
\param map contains pointers to the maps. If \a spin==0,
map[0] points to the map of the first SHT, map[1] to that of the second
etc. If \a spin>0, or \a type is SHARP_ALM2MAP_DERIV1, map[0] and map[1]
point to the maps of the first SHT, map[2] and map[3] to those of the
second, etc. The exact data type of \a map depends on whether the SHARP_DP
flag is set.
map[0] points to the map of the SHT. If \a spin>0, or \a type is
SHARP_ALM2MAP_DERIV1, map[0] and map[1] point to the two maps of the SHT.
The exact data type of \a map depends on whether the SHARP_DP flag is set.
\param geom_info A \c sharp_geom_info object compatible with the provided
\a map arrays. The total map geometry is the union of all \a geom_info
objects over the participating MPI tasks.