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gf: Fix out of bound in linear mesh in gf eval.

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- When reaching the last point of the grid,
move one step back and set w =1.
- fix the gf_2times but and related issues.
This commit is contained in:
Laura Messio 2013-09-30 15:45:16 +02:00 committed by Olivier Parcollet
parent 39edb2f846
commit 7693077b79
1 changed files with 6 additions and 5 deletions
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11
triqs/gfs/meshes/linear.hpp
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@ -193,13 +193,14 @@ namespace triqs { namespace gfs {
/// Approximation of a point of the domain by a mesh point
template<typename D>
std::tuple<bool, size_t, double> windowing (linear_mesh<D> const & mesh, typename D::point_t const & x) {
std::tuple<bool, long, double> windowing (linear_mesh<D> const & mesh, typename D::point_t const & x) {
double a = (x - mesh.x_min())/mesh.delta();
long i = std::floor(a);
bool in = (! ((i<0) || (i>long(mesh.size())-1)));
long i = std::floor(a), imax = long(mesh.size())-1;
bool in = (i>=0) && (i<imax);
double w = a-i;
// std::cerr << " window "<< i << " "<< in << " "<< w<< std::endl ;
return std::make_tuple(in, (in ? size_t(i) : 0),w);
if (i==imax) { --i; in = (std::abs(w)< 1.e-14); w=1.0;}
return std::make_tuple(in,i,w);
//return std::make_tuple(in, (in ? i : 0),w);
}
}}