libsharp2/libsharp/sharp_core.c
2018-11-06 15:27:28 +01:00

74 lines
2.1 KiB
C

/*
* This file is part of libsharp.
*
* libsharp is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libsharp is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libsharp; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* libsharp is being developed at the Max-Planck-Institut fuer Astrophysik
* and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
* (DLR).
*/
/*! \file sharp_core.c
* Computational core
*
* Copyright (C) 2012-2013 Max-Planck-Society
* \author Martin Reinecke
*/
#define ARCH _default
#include "sharp_core_inc0.c"
#undef ARCH
#if (!defined(__AVX__)) && defined(__GNUC__) && defined (__x86_64__) && (__GNUC__>=5)
static int have_avx(void)
{
static int res=-1;
if (res<0)
{
__builtin_cpu_init();
res = __builtin_cpu_supports("avx");
}
return res;
}
void inner_loop_avx (sharp_job *job, const int *ispair,const double *cth,
const double *sth, int llim, int ulim, sharp_Ylmgen_C *gen, int mi,
const int *mlim);
#endif
void inner_loop (sharp_job *job, const int *ispair,const double *cth,
const double *sth, int llim, int ulim, sharp_Ylmgen_C *gen, int mi,
const int *mlim)
{
#if (!defined(__AVX__)) && defined(__GNUC__) && defined (__x86_64__) && (__GNUC__>=5)
if (have_avx())
inner_loop_avx (job, ispair, cth, sth, llim, ulim, gen, mi, mlim);
else
#endif
inner_loop_default (job, ispair, cth, sth, llim, ulim, gen, mi, mlim);
}
int sharp_veclen(void)
{
#if (!defined(__AVX__)) && defined(__GNUC__) && defined (__x86_64__) && (__GNUC__>=5)
if (have_avx())
return 4;
else
#endif
return VLEN;
}