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rankInnerProduct

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This commit is contained in:
Christoph Lehner 2020-05-03 17:27:11 -04:00
parent 9bfa51bffb
commit 2a1387e992
1 changed files with 11 additions and 3 deletions
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14
Grid/lattice/Lattice_reduction.h
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@ -5,6 +5,7 @@
Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: paboyle <paboyle@ph.ed.ac.uk>
Author: Christoph Lehner <christoph@lhnr.de>
This program 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
@ -93,7 +94,7 @@ template<class vobj> inline RealD norm2(const Lattice<vobj> &arg){
// Double inner product
template<class vobj>
inline ComplexD innerProduct(const Lattice<vobj> &left,const Lattice<vobj> &right)
inline ComplexD rankInnerProduct(const Lattice<vobj> &left,const Lattice<vobj> &right)
{
typedef typename vobj::scalar_type scalar_type;
typedef typename vobj::vector_typeD vector_type;
@ -137,11 +138,18 @@ inline ComplexD innerProduct(const Lattice<vobj> &left,const Lattice<vobj> &righ
})
nrm = TensorRemove(sum(inner_tmp_v,sites));
#endif
grid->GlobalSum(nrm);
return nrm;
}
template<class vobj>
inline ComplexD innerProduct(const Lattice<vobj> &left,const Lattice<vobj> &right) {
GridBase *grid = left.Grid();
ComplexD nrm = rankInnerProduct(left,right);
grid->GlobalSum(nrm);
return nrm;
}
/////////////////////////
// Fast axpby_norm
// z = a x + b y