| 
					
				 | 
			
			
				@@ -63,6 +63,7 @@ void InvalidateEvaluation(const ResidualBlock& block, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				  
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 // Utility routine to print an array of doubles to a string. If the 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 // array pointer is NULL, it is treated as an array of zeros. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+namespace { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 void AppendArrayToString(const int size, const double* x, string* result) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				   for (int i = 0; i < size; ++i) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				     if (x == NULL) { 
			 | 
		
	
	
		
			
				| 
					
				 | 
			
			
				@@ -76,6 +77,7 @@ void AppendArrayToString(const int size, const double* x, string* result) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				     } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				   } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+}  // namespace 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				  
			 | 
		
	
		
			
				 | 
				 | 
			
			
				 string EvaluationToString(const ResidualBlock& block, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                           double const* const* parameters, 
			 |