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authorGard Spreemann <gspreemann@gmail.com>2017-10-08 11:15:17 +0200
committerGard Spreemann <gspreemann@gmail.com>2017-10-08 11:15:17 +0200
commit866f6ce614e9c09c97fed12c8c0c2c9fb84fad3f (patch)
tree0c90eb9bab09ccc9785cdf2dc59f0ec861670b85 /example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp
parent8d7329f3e5ad843e553c3c5503cecc28ef2eead6 (diff)
GUDHI 2.0.1 as released by upstream in a tarball.upstream/2.0.1
Diffstat (limited to 'example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp')
-rw-r--r--example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp24
1 files changed, 16 insertions, 8 deletions
diff --git a/example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp b/example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp
index e6bc6648..67735ba1 100644
--- a/example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp
+++ b/example/Bitmap_cubical_complex/Bitmap_cubical_complex.cpp
@@ -27,8 +27,9 @@
// standard stuff
#include <iostream>
-#include <sstream>
+#include <string>
#include <vector>
+#include <cstddef>
int main(int argc, char** argv) {
std::cout << "This program computes persistent homology, by using bitmap_cubical_complex class, of cubical " <<
@@ -38,9 +39,6 @@ int main(int argc, char** argv) {
"filtrations of top dimensional cells. We assume that the cells are in the lexicographical order. See " <<
"CubicalOneSphere.txt or CubicalTwoSphere.txt for example.\n" << std::endl;
- int p = 2;
- double min_persistence = 0;
-
if (argc != 2) {
std::cerr << "Wrong number of parameters. Please provide the name of a file with a Perseus style bitmap at " <<
"the input. The program will now terminate.\n";
@@ -56,16 +54,26 @@ int main(int argc, char** argv) {
// Compute the persistence diagram of the complex
Persistent_cohomology pcoh(b);
+ int p = 2;
+ double min_persistence = 0;
+
pcoh.init_coefficients(p); // initializes the coefficient field for homology
pcoh.compute_persistent_cohomology(min_persistence);
- std::stringstream ss;
- ss << argv[1] << "_persistence";
- std::ofstream out(ss.str().c_str());
+ std::string output_file_name(argv[1]);
+ output_file_name += "_persistence";
+
+ std::size_t last_in_path = output_file_name.find_last_of("/\\");
+
+ if (last_in_path != std::string::npos) {
+ output_file_name = output_file_name.substr(last_in_path+1);
+ }
+
+ std::ofstream out(output_file_name.c_str());
pcoh.output_diagram(out);
out.close();
- std::cout << "Result in file: " << ss.str().c_str() << "\n";
+ std::cout << "Result in file: " << output_file_name << "\n";
return 0;
}