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Diffstat (limited to 'example/Simplex_tree/simple_simplex_tree.cpp')
-rw-r--r--example/Simplex_tree/simple_simplex_tree.cpp95
1 files changed, 55 insertions, 40 deletions
diff --git a/example/Simplex_tree/simple_simplex_tree.cpp b/example/Simplex_tree/simple_simplex_tree.cpp
index d8318f03..828977c2 100644
--- a/example/Simplex_tree/simple_simplex_tree.cpp
+++ b/example/Simplex_tree/simple_simplex_tree.cpp
@@ -30,10 +30,10 @@
using Simplex_tree = Gudhi::Simplex_tree<>;
using Vertex_handle = Simplex_tree::Vertex_handle;
using Filtration_value = Simplex_tree::Filtration_value;
-using typeVectorVertex = std::vector< Vertex_handle >;
-using typePairSimplexBool = std::pair< Simplex_tree::Simplex_handle, bool >;
+using typeVectorVertex = std::vector<Vertex_handle>;
+using typePairSimplexBool = std::pair<Simplex_tree::Simplex_handle, bool>;
-int main(int argc, char * const argv[]) {
+int main(int argc, char* const argv[]) {
const Filtration_value FIRST_FILTRATION_VALUE = 0.1;
const Filtration_value SECOND_FILTRATION_VALUE = 0.2;
const Filtration_value THIRD_FILTRATION_VALUE = 0.3;
@@ -54,7 +54,7 @@ int main(int argc, char * const argv[]) {
// ++ FIRST
std::cout << " * INSERT 0" << std::endl;
- typeVectorVertex firstSimplexVector = { 0 };
+ typeVectorVertex firstSimplexVector = {0};
typePairSimplexBool returnValue =
simplexTree.insert_simplex(firstSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
@@ -66,9 +66,8 @@ int main(int argc, char * const argv[]) {
// ++ SECOND
std::cout << " * INSERT 1" << std::endl;
- typeVectorVertex secondSimplexVector = { 1 };
- returnValue =
- simplexTree.insert_simplex(secondSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
+ typeVectorVertex secondSimplexVector = {1};
+ returnValue = simplexTree.insert_simplex(secondSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + 1 INSERTED" << std::endl;
@@ -78,9 +77,8 @@ int main(int argc, char * const argv[]) {
// ++ THIRD
std::cout << " * INSERT (0,1)" << std::endl;
- typeVectorVertex thirdSimplexVector = { 0, 1 };
- returnValue =
- simplexTree.insert_simplex(thirdSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
+ typeVectorVertex thirdSimplexVector = {0, 1};
+ returnValue = simplexTree.insert_simplex(thirdSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + (0,1) INSERTED" << std::endl;
@@ -90,9 +88,8 @@ int main(int argc, char * const argv[]) {
// ++ FOURTH
std::cout << " * INSERT 2" << std::endl;
- typeVectorVertex fourthSimplexVector = { 2 };
- returnValue =
- simplexTree.insert_simplex(fourthSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
+ typeVectorVertex fourthSimplexVector = {2};
+ returnValue = simplexTree.insert_simplex(fourthSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + 2 INSERTED" << std::endl;
@@ -102,9 +99,8 @@ int main(int argc, char * const argv[]) {
// ++ FIFTH
std::cout << " * INSERT (2,0)" << std::endl;
- typeVectorVertex fifthSimplexVector = { 2, 0 };
- returnValue =
- simplexTree.insert_simplex(fifthSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
+ typeVectorVertex fifthSimplexVector = {2, 0};
+ returnValue = simplexTree.insert_simplex(fifthSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + (2,0) INSERTED" << std::endl;
@@ -114,9 +110,8 @@ int main(int argc, char * const argv[]) {
// ++ SIXTH
std::cout << " * INSERT (2,1)" << std::endl;
- typeVectorVertex sixthSimplexVector = { 2, 1 };
- returnValue =
- simplexTree.insert_simplex(sixthSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
+ typeVectorVertex sixthSimplexVector = {2, 1};
+ returnValue = simplexTree.insert_simplex(sixthSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + (2,1) INSERTED" << std::endl;
@@ -126,9 +121,8 @@ int main(int argc, char * const argv[]) {
// ++ SEVENTH
std::cout << " * INSERT (2,1,0)" << std::endl;
- typeVectorVertex seventhSimplexVector = { 2, 1, 0 };
- returnValue =
- simplexTree.insert_simplex(seventhSimplexVector, Filtration_value(THIRD_FILTRATION_VALUE));
+ typeVectorVertex seventhSimplexVector = {2, 1, 0};
+ returnValue = simplexTree.insert_simplex(seventhSimplexVector, Filtration_value(THIRD_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + (2,1,0) INSERTED" << std::endl;
@@ -138,9 +132,8 @@ int main(int argc, char * const argv[]) {
// ++ EIGHTH
std::cout << " * INSERT 3" << std::endl;
- typeVectorVertex eighthSimplexVector = { 3 };
- returnValue =
- simplexTree.insert_simplex(eighthSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
+ typeVectorVertex eighthSimplexVector = {3};
+ returnValue = simplexTree.insert_simplex(eighthSimplexVector, Filtration_value(FIRST_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + 3 INSERTED" << std::endl;
@@ -150,9 +143,8 @@ int main(int argc, char * const argv[]) {
// ++ NINETH
std::cout << " * INSERT (3,0)" << std::endl;
- typeVectorVertex ninethSimplexVector = { 3, 0 };
- returnValue =
- simplexTree.insert_simplex(ninethSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
+ typeVectorVertex ninethSimplexVector = {3, 0};
+ returnValue = simplexTree.insert_simplex(ninethSimplexVector, Filtration_value(SECOND_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + (3,0) INSERTED" << std::endl;
@@ -162,7 +154,7 @@ int main(int argc, char * const argv[]) {
// ++ TENTH
std::cout << " * INSERT 0 (already inserted)" << std::endl;
- typeVectorVertex tenthSimplexVector = { 0 };
+ typeVectorVertex tenthSimplexVector = {0};
// With a different filtration value
returnValue = simplexTree.insert_simplex(tenthSimplexVector, Filtration_value(FOURTH_FILTRATION_VALUE));
@@ -174,9 +166,8 @@ int main(int argc, char * const argv[]) {
// ++ ELEVENTH
std::cout << " * INSERT (2,1,0) (already inserted)" << std::endl;
- typeVectorVertex eleventhSimplexVector = { 2, 1, 0 };
- returnValue =
- simplexTree.insert_simplex(eleventhSimplexVector, Filtration_value(FOURTH_FILTRATION_VALUE));
+ typeVectorVertex eleventhSimplexVector = {2, 1, 0};
+ returnValue = simplexTree.insert_simplex(eleventhSimplexVector, Filtration_value(FOURTH_FILTRATION_VALUE));
if (returnValue.second == true) {
std::cout << " + (2,1,0) INSERTED" << std::endl;
@@ -185,7 +176,6 @@ int main(int argc, char * const argv[]) {
}
// ++ GENERAL VARIABLE SET
- simplexTree.set_dimension(2); // Max dimension = 2 -> (2,1,0)
std::cout << "********************************************************************\n";
// Display the Simplex_tree - Can not be done in the middle of 2 inserts
@@ -193,10 +183,9 @@ int main(int argc, char * const argv[]) {
std::cout << " - dimension " << simplexTree.dimension() << "\n";
std::cout << "* Iterator on Simplices in the filtration, with [filtration value]:\n";
for (auto f_simplex : simplexTree.filtration_simplex_range()) {
- std::cout << " " << "[" << simplexTree.filtration(f_simplex) << "] ";
- for (auto vertex : simplexTree.simplex_vertex_range(f_simplex)) {
- std::cout << static_cast<int>(vertex) << " ";
- }
+ std::cout << " "
+ << "[" << simplexTree.filtration(f_simplex) << "] ";
+ for (auto vertex : simplexTree.simplex_vertex_range(f_simplex)) std::cout << "(" << vertex << ")";
std::cout << std::endl;
}
// [0.1] 0
@@ -219,7 +208,7 @@ int main(int argc, char * const argv[]) {
else
std::cout << "***- NO IT ISN'T\n";
- typeVectorVertex unknownSimplexVector = { 15 };
+ typeVectorVertex unknownSimplexVector = {15};
simplexFound = simplexTree.find(unknownSimplexVector);
std::cout << "**************IS THE SIMPLEX {15} IN THE SIMPLEX TREE ?\n";
if (simplexFound != simplexTree.null_simplex())
@@ -234,7 +223,7 @@ int main(int argc, char * const argv[]) {
else
std::cout << "***- NO IT ISN'T\n";
- typeVectorVertex otherSimplexVector = { 1, 15 };
+ typeVectorVertex otherSimplexVector = {1, 15};
simplexFound = simplexTree.find(otherSimplexVector);
std::cout << "**************IS THE SIMPLEX {15,1} IN THE SIMPLEX TREE ?\n";
if (simplexFound != simplexTree.null_simplex())
@@ -242,12 +231,38 @@ int main(int argc, char * const argv[]) {
else
std::cout << "***- NO IT ISN'T\n";
- typeVectorVertex invSimplexVector = { 1, 2, 0 };
+ typeVectorVertex invSimplexVector = {1, 2, 0};
simplexFound = simplexTree.find(invSimplexVector);
std::cout << "**************IS THE SIMPLEX {1,2,0} IN THE SIMPLEX TREE ?\n";
if (simplexFound != simplexTree.null_simplex())
std::cout << "***+ YES IT IS!\n";
else
std::cout << "***- NO IT ISN'T\n";
+
+ simplexFound = simplexTree.find({0, 1});
+ std::cout << "**************IS THE SIMPLEX {0,1} IN THE SIMPLEX TREE ?\n";
+ if (simplexFound != simplexTree.null_simplex())
+ std::cout << "***+ YES IT IS!\n";
+ else
+ std::cout << "***- NO IT ISN'T\n";
+
+ std::cout << "**************COFACES OF {0,1} IN CODIMENSION 1 ARE\n";
+ for (auto& simplex : simplexTree.cofaces_simplex_range(simplexTree.find({0, 1}), 1)) {
+ for (auto vertex : simplexTree.simplex_vertex_range(simplex)) std::cout << "(" << vertex << ")";
+ std::cout << std::endl;
+ }
+
+ std::cout << "**************STARS OF {0,1} ARE\n";
+ for (auto& simplex : simplexTree.star_simplex_range(simplexTree.find({0, 1}))) {
+ for (auto vertex : simplexTree.simplex_vertex_range(simplex)) std::cout << "(" << vertex << ")";
+ std::cout << std::endl;
+ }
+
+ std::cout << "**************BOUNDARIES OF {0,1,2} ARE\n";
+ for (auto& simplex : simplexTree.boundary_simplex_range(simplexTree.find({0, 1, 2}))) {
+ for (auto vertex : simplexTree.simplex_vertex_range(simplex)) std::cout << "(" << vertex << ")";
+ std::cout << std::endl;
+ }
+
return 0;
}
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