ENH: add operator>> and operator!= to lduMatrix::solverPerformance

- needed for reading a List<lduMatrix::solverPerformance>

src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.H

@@ -223,6 +223,10 @@ public:
             //- Print summary of solver performance
             void print() const;
 
+        // Member Operators
+
+            bool operator!=(const solverPerformance&) const;
+
 
         // Friend functions
 
@@ -236,6 +240,7 @@ public:
 
         // Ostream Operator
 
+            friend Istream& operator>>(Istream&, solverPerformance&);
             friend Ostream& operator<<(Ostream&, const solverPerformance&);
     };
 

src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrixTests.C

@@ -32,15 +32,7 @@ Description
 
 Foam::lduMatrix::solverPerformance::solverPerformance(Istream& is)
 {
-    is.readBeginList("lduMatrix::solverPerformance");
+    is  >> *this;
-    is  >> solverName_
-        >> fieldName_
-        >> initialResidual_
-        >> finalResidual_
-        >> noIterations_
-        >> converged_
-        >> singular_;
-    is.readEndList("lduMatrix::solverPerformance");
 }
 
 
@@ -118,6 +110,24 @@ void Foam::lduMatrix::solverPerformance::print() const
 }
 
 
+bool Foam::lduMatrix::solverPerformance::operator!=
+(
+    const lduMatrix::solverPerformance& sp
+) const
+{
+    return
+    (
+        solverName()      != sp.solverName()
+     || fieldName()       != sp.fieldName()
+     || initialResidual() != sp.initialResidual()
+     || finalResidual()   != sp.finalResidual()
+     || nIterations()     != sp.nIterations()
+     || converged()       != sp.converged()
+     || singular()        != sp.singular()
+    );
+}
+
+
 Foam::lduMatrix::solverPerformance Foam::max
 (
     const lduMatrix::solverPerformance& sp1,
@@ -137,6 +147,26 @@ Foam::lduMatrix::solverPerformance Foam::max
 }
 
 
+Foam::Istream& Foam::operator>>
+(
+    Istream& is,
+    Foam::lduMatrix::solverPerformance& sp
+)
+{
+    is.readBeginList("lduMatrix::solverPerformance");
+    is  >> sp.solverName_
+        >> sp.fieldName_
+        >> sp.initialResidual_
+        >> sp.finalResidual_
+        >> sp.noIterations_
+        >> sp.converged_
+        >> sp.singular_;
+    is.readEndList("lduMatrix::solverPerformance");
+
+    return is;
+}
+
+
 Foam::Ostream& Foam::operator<<
 (
     Ostream& os,