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Do not copy matrices but use const&

This commit is contained in:
Andreas Fabri 2018-06-07 10:57:45 +01:00
parent 6f324d4680
commit 01b95347fc
2 changed files with 8 additions and 8 deletions
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10
Heat_method_3/include/CGAL/Heat_method_3/Heat_method_3.h
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@ -124,12 +124,12 @@ namespace Heat_method_3 {
* add `vd` to the source set, returning `false` if `vd` is already in the set.
*/
Matrix get_mass_matrix()
const Matrix& get_mass_matrix()
{
return mass_matrix;
}
Matrix get_cotan_matrix()
const Matrix& get_cotan_matrix()
{
return cotan_matrix;
}
@ -158,7 +158,7 @@ namespace Heat_method_3 {
/**
*return current source set
*/
std::set<vertex_descriptor> get_sources()
const std::set<vertex_descriptor>& get_sources()
{
return sources;
}
@ -188,7 +188,7 @@ namespace Heat_method_3 {
}
/**
* get distance from the current source set to a vertex ` vd`.
* get distance from the current source set to a vertex `vd`.
*/
double distance(vertex_descriptor vd)
{
@ -219,7 +219,7 @@ namespace Heat_method_3 {
}
Matrix get_kronecker_delta()
const Matrix& get_kronecker_delta()
{
return kronecker;
}

6
Heat_method_3/test/Heat_method_3/heat_method_surface_mesh_test.cpp
View File

@ -43,8 +43,8 @@ int main()
assert(!(hm.add_source(source)));
assert(hm.remove_source(*(std::next(vertices(sm).first,3))));
//cotan matrix tests
SparseMatrix M = hm.get_mass_matrix();
SparseMatrix c = hm.get_cotan_matrix();
const SparseMatrix& M = hm.get_mass_matrix();
const SparseMatrix& c = hm.get_cotan_matrix();
double sum = 0;
for(int k = 0; k<c.outerSize(); ++k)
{
@ -75,7 +75,7 @@ int main()
//mass matrix tests
SparseMatrix K = hm.get_kronecker_delta();
const SparseMatrix& K = hm.get_kronecker_delta();
assert(K.nonZeros()==1);