Added abs_diff and increased space for filenames in logger

include/xerus/misc/math.h

@@ -43,6 +43,12 @@ namespace xerus {
 			return (_value < 0 ) ? -_value : _value;
 		}
 		
+		///@brief: Calculates the absolute difference between the given values.
+		template<class T> 
+		constexpr T abs_diff(const T& _a, const T& _b) noexcept {
+			return (_a > _b) ? (_a - _b) : (_b - _a);
+		}
+		
 		
 		///@brief: Calculates _a*_a.
 		template<class T>

src/xerus/misc/namedLogger.cpp

@@ -67,15 +67,15 @@ namespace xerus { namespace misc { namespace internal {
 	
 	void log_timestamp(std::ostream &_out, const char* _file, int _line, const char* _lvl) {
 		log_timestamp(_out);
-		_out << std::setfill(' ') << std::setw(20) << std::left << xerus::misc::explode(_file, '/').back() << ':' \
+		_out << std::setfill(' ') << std::setw(25) << std::left << xerus::misc::explode(_file, '/').back() << ':' \
 				<< std::right << std::setfill(' ') << std::setw(4) <<_line << " : " \
-				<< std::setfill(' ') << std::setw(12) << std::left \
+				<< std::setfill(' ') << std::setw(15) << std::left \
 				<< std::string(_lvl) << ": ";
 	}
 	
 	void log_timestamp(std::ostream &_out, const char* _lvl) {
 		log_timestamp(_out);
-		_out << std::setfill(' ') << std::setw(12) << std::left \
+		_out << std::setfill(' ') << std::setw(15) << std::left \
 				<< std::string(_lvl) << ": ";
 	}