Graduate

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

1 files changed, 43 insertions, 0 deletions

diff --git a/ee1301/wk6/lab5/vectorArray.cpp b/ee1301/wk6/lab5/vectorArray.cpp
new file mode 100644
index 0000000..92d23bd
--- /dev/null
+++ b/ee1301/wk6/lab5/vectorArray.cpp
@@ -0,0 +1,43 @@
+#include <iostream>

+

+double randVec();

+double momentum (double velocity);

+int main() {

+  srand(time(NULL));

+  double sum[3]={0,0,0};

+  double* randVel;  double* momArray;

+  randVel = new double[1000];

+  momArray = new double[1000];

+  for (int i=0; i<1000; i++) {

+    randVel[i]=randVec();

+    momArray[i]=momentum(randVel[i]);

+    int j=i%3;

+    sum[j]+=momArray[i];

+  }

+  std::cout << '<' << sum[0]/1000.0 << ',' <<  sum[1]/1000.0 << ',' << sum[2]/1000.0 << '>' << std::endl;

+  delete[] randVel;

+  delete[] momArray;

+}

+

+

+double randVec() {

+  double vector[3];

+  for (int i=0; i<3; i++) {

+    if (rand()%2+1==1) {

+      vector[i]=rand()%100+1.0;

+    } else {

+      vector[i]=rand()%100*-1.0+1.0;

+    }

+  }

+  return *vector;

+}

+

+double momentum(double velocity) {

+  double mass;

+  if (rand()%2+1==0) {

+    mass=rand()%10+1.0;

+  } else {

+    mass=rand()%10*-1.0+1.0;

+  }

+  return mass*velocity;

+}
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