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-rw-r--r--src/Kernels/example/kernel_basic_example.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/Kernels/example/kernel_basic_example.cpp b/src/Kernels/example/kernel_basic_example.cpp
index 46e42c9d..85ce36d4 100644
--- a/src/Kernels/example/kernel_basic_example.cpp
+++ b/src/Kernels/example/kernel_basic_example.cpp
@@ -21,6 +21,11 @@
*/
#include <gudhi/kernel.h>
+#include <iostream>
+#include <string>
+#include <fstream>
+#include <sstream>
+
void usage(int nbArgs, char *const progName) {
std::cerr << "Error: Number of arguments (" << nbArgs << ") is not correct\n";