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gf: imfreq: fix out of bound product gf imfreq

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- gf<cartesian_product<imfreq,imfreq>> was not correct
  when out bounds. Fixed evaluator.
- tensor_proxy : fix the trait for algebra which was incorrect.
- TODO: clean code (repetition, put in mesh some windowing).
This commit is contained in:
Olivier Parcollet 2014-01-06 17:46:09 +01:00
parent 1b3a66af24
commit 2200e2680f
4 changed files with 13 additions and 6 deletions
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2
test/triqs/gfs/gf_2times.cpp
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@ -37,7 +37,7 @@ int main() {
auto zz = G_w_wn2(t_,tp_);
//std::cout << std::get<0>(zz.childs).data() << std::endl ;
auto yy = eval ( zz, t_=2, tp_=3);
std::cout << yy.indexmap()<< std::endl ;
//std::cout << yy.indexmap()<< std::endl ;
std::cout << yy << std::endl ;
//std::cout << eval ( zz, t_=2, tp_=3)<< std::endl ;
//std::cout << eval ( G_w_wn2(t_,tp_), t_=2, tp_=3)<< std::endl ;

4
triqs/arrays/matrix_tensor_proxy.hpp
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@ -35,7 +35,7 @@ namespace arrays {
// tensor const
template <typename A, bool IsMatrix>
struct const_matrix_tensor_proxy : std::conditional<IsMatrix, TRIQS_CONCEPT_TAG_NAME(ImmutableMatrix),
TRIQS_CONCEPT_TAG_NAME(ImmutableCuboidArray)>::type {
TRIQS_CONCEPT_TAG_NAME(ImmutableArray)>::type {
typedef typename std::remove_reference<A>::type A_t;
static constexpr bool is_const = true;
@ -84,7 +84,7 @@ namespace arrays {
// tensor no const
template <typename A, bool IsMatrix>
struct matrix_tensor_proxy : std::conditional<IsMatrix, TRIQS_CONCEPT_TAG_NAME(MutableMatrix),
TRIQS_CONCEPT_TAG_NAME(MutableCuboidArray)>::type {
TRIQS_CONCEPT_TAG_NAME(MutableArray)>::type {
typedef typename std::remove_reference<A>::type A_t;
static constexpr bool is_const = false;

10
triqs/gfs/imfreq.hpp
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@ -55,10 +55,14 @@ namespace gfs {
// simple evaluation : take the point on the grid...
template <> struct evaluator_fnt_on_mesh<imfreq> {
long n;
double w;
evaluator_fnt_on_mesh() = default;
template <typename MeshType> evaluator_fnt_on_mesh(MeshType const &m, long p) { n = p; }
template <typename MeshType> evaluator_fnt_on_mesh(MeshType const &m, matsubara_freq const &p) { n = p.n; }
template <typename F> auto operator()(F const &f) const DECL_AND_RETURN(f(n));
template <typename MeshType> evaluator_fnt_on_mesh(MeshType const &m, long p) { n = p; w=1; }
template <typename MeshType> evaluator_fnt_on_mesh(MeshType const &m, matsubara_freq const &p) {
if ((p.n >= m.index_start()) && (p.n < m.size()+m.index_start())) {w=1; n =p.n;}
else {w=0; n=0;}
}
template <typename F> auto operator()(F const &f) const DECL_AND_RETURN(w*f(n));
};
// ------------- evaluator -------------------

3
triqs/gfs/meshes/matsubara_freq.hpp
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@ -69,6 +69,9 @@ namespace gfs {
/// Flatten the index in the positive linear index for memory storage (almost trivial here).
long index_to_linear(index_t ind) const { return ind - index_start(); }
/// Is the mesh only for positive omega_n (G(tau) real))
bool positive_only() const { return _positive_only;}
/**
* The mesh point
*