refactor function name

Author: priteshgohil

007_Array_and_Function.cpp

@@ -0,0 +1,58 @@
+#include<iostream>
+#include<math.h> //math.h - symbols imported in global namespace
+//cmath - c++ equivalent c header file.  symbols inported in std namespace
+
+
+// Function declation
+double ScalarProduct   (double [], double [], int);
+double ArraySum        (double [], int);
+double ArrayNorm       (double [], int);
+void PrintArrayVert    (double [], int );
+
+int main(int argc, char const *argv[]) {
+  double dArr1[] = {1.0, 2.0, 3.0, 4.0};
+  double dArr2[] = {4.0, 3.0, 2.0, 1.0};
+  int nArr2D[3][4] = { {0,1,2}, {4,5,6,7}, {8,9,10,11} };
+
+  int nSize = sizeof(dArr1)/sizeof(*dArr1);
+  PrintArrayVert(dArr1, nSize);
+  std::cout << "\nArray Product = " << ScalarProduct(dArr1, dArr2, nSize) << '\n';
+  std::cout << "\nArray Sum = " << ArraySum(dArr1, nSize) << '\n';
+  std::cout << "\nArray Norm = " << ArrayNorm(dArr1, nSize) << '\n';
+
+  return 0;
+}
+
+// Function definition
+// double ScalarProduct (double )
+
+void PrintArrayVert(double dArr[], int nSize){
+  for (int i = 0; i <= nSize-1; i++){
+    std::cout << "v[" << i << "] = " << dArr[i] << '\n' ;
+  }
+}
+
+double ScalarProduct(double dArr1[], double dArr2[], int nSize){
+  double dSum = 0.0;
+    for (int i = 0; i <= nSize -1; i++){
+      dSum = dSum + dArr1[i] * dArr2[i];
+    }
+  return dSum;
+}
+
+double ArraySum(double dArr[], int nSize){
+  double dSum = 0.0 ;
+  for (int i = 0; i <= nSize - 1; i++){
+    dSum = dSum + dArr[i];
+  }
+  return dSum;
+}
+
+double ArrayNorm(double dArr[], int nSize){
+  double dSum = 0.0 ;
+
+  for (int i = 0; i <= nSize - 1; i++){
+    dSum = dSum + dArr[i] * dArr[i];
+  }
+  return sqrt(dSum);
+}