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Implementing the Hw kernel continued fraction 5d overlap cases

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This commit is contained in:
Peter Boyle
2015-06-04 00:23:16 +01:00
parent 03f4fde468
commit a088a65656
5 changed files with 91 additions and 9 deletions
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9
lib/qcd/action/fermion/ContinuedFractionFermion5D.cc
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@ -3,11 +3,11 @@
namespace Grid {
namespace QCD {
void ContinuedFractionFermion5D::SetCoefficientsTanh(Approx::zolotarev_data *zdata,RealD b,RealD c)
void ContinuedFractionFermion5D::SetCoefficientsTanh(Approx::zolotarev_data *zdata,RealD scale)
{
SetCoefficientsZolotarev(1.0,zdata,b,c);
SetCoefficientsZolotarev(1.0/scale,zdata);
}
void ContinuedFractionFermion5D::SetCoefficientsZolotarev(RealD zolo_hi,Approx::zolotarev_data *zdata,RealD b,RealD c)
void ContinuedFractionFermion5D::SetCoefficientsZolotarev(RealD zolo_hi,Approx::zolotarev_data *zdata)
{
R=(1+this->mass)/(1-this->mass);
@ -164,9 +164,6 @@ namespace Grid {
mass(_mass)
{
assert((Ls&0x1)==1); // Odd Ls required
int nrational=Ls-1;// Even rational order
zdata = Approx::grid_higham(1.0,nrational);// eps is ignored for higham
SetCoefficientsTanh(zdata,1.0,0.0);
}
}