main()

int main

(

)

test array functionality

Examples:

tests/arraytest.cc, tests/f77test.cc, tests/helpertest.cc, tests/operatortest.cc, tests/reprtest.cc, tests/seriestest.cc, tests/shapetest.cc, and tests/simplearraytest.cc.

Definition at line 153 of file arrayexample.cc.

References ARRAYEXAMPLE_VERSION, aff::Array< T >::copyout(), and section().

{
  cout << ARRAYEXAMPLE_VERSION << endl;

  // create a 3x4 array of type float
  aff::Array<float> A(3,4);

  // print array (layout and contents) to terminal
  section("Array A after being created:");
  cout << A;

  // set all elements in array to 5.2
  A=5.2;
  section("Array A after all elements being set to 5.2:");
  cout << A;

  /* ---------------------------------------------------------------------- */

  section("Demonstrate effect of shallow copy", '=');
  // create a second array
  aff::Array<float> B;

  // let B be a copy of A
  B=A;

  // B just references the same memory; thus changing values in A and B will
  // effectively change the same array values
  A(2,3)=10.7;
  B(3,1)=-19.3;

  // both modifications are present in A
  section("Array A after assignment to B and to A:");
  cout << A;

  /* ---------------------------------------------------------------------- */

  section("Demonstrate effect of deep copy", '=');
  // create a copy by actually copying all elements
  B=A.copyout();

  // modify B
  B(3,3)=102.3;
  section("Array B after assignment to B:");
  cout << B;
  section("Array A after assignment to B:");
  cout << A;

  /* ---------------------------------------------------------------------- */

  section("Demonstrate array usage with custom index range", '=');

  /* To create an array which does not use index range beginning with 1, use
   * the function Shaper, which is available through aff/shaper.h
   */
  A=aff::Array<float>(aff::Shaper(-2,6)(12,16));
  A=sqrt(2.);
  section("Array A after being assigned to array of different shape:");
  cout << A;
}

Here is the call graph for this function: