Added overloaded norm2(a,b,c) fns

Makefile

@@ -22,5 +22,8 @@ quick:${OBJS} quick.o
 libmiscmaths.a: ${OBJS}
 	${AR} -r libmiscmaths.a ${OBJS}
 
+testprog: testprog.o
+	${CXX}  ${CXXFLAGS} ${LDFLAGS} -o $@ ${OBJS} testprog.o ${LIBS}
+
 
 

miscmaths.cc

@@ -407,6 +407,15 @@ namespace MISCMATHS {
       return std::sqrt(x.SumSquare());
     }
 
+  double norm2(double a, double b, double c)
+    {
+	return a*a + b*b + c*c;
+    }
+
+  float norm2(float a, float b, float c)
+    {
+	return a*a + b*b + c*c;
+    }
 
   int Identity(Matrix& m)
     {

miscmaths.h

@@ -106,6 +106,8 @@ namespace MISCMATHS {
     { return Sum(SP(a,b)); }
 
   double norm2(const ColumnVector& x);
+  double norm2(double a, double b, double c);
+  float norm2(float a, float b, float c);
 
   int Identity(Matrix& m);
   ReturnMatrix Identity(int num);