Add header guards to utilities.hpp

mfasi · mfasi · commit c999175461eb · 2025-03-28T06:10:13.000Z
diff --git a/include/utilities.hpp b/include/utilities.hpp
@@ -1,3 +1,5 @@
+#ifndef UTILITIES_HPP
+#define UTILITIES_HPP
 #include <cmath>
 #include <iostream>
 #include <iomanip>
@@ -48,3 +50,5 @@ std::vector<element_type> operator-(const std::vector<element_type> &A,
     }
     return C;
 }
+
+#endif // UTILITIES_HPP

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+#ifndef UTILITIES_HPP`
	`2`	`+#define UTILITIES_HPP`
`1`	`3`	`#include <cmath>`
`2`	`4`	`#include <iostream>`
`3`	`5`	`#include <iomanip>`
`@@ -48,3 +50,5 @@ std::vector<element_type> operator-(const std::vector<element_type> &A,`
`48`	`50`	`}`
`49`	`51`	`return C;`
`50`	`52`	`}`
	`53`	`+`
	`54`	`+#endif // UTILITIES_HPP`