test_T2_17.cpp

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#include "../../../src/FTensor.hpp"
#include "../test_for_zero.hpp"
#include <iostream>
using namespace FTensor;
using namespace std;
 
void test_T2_17(const Tensor2<double, 3, 3> &t2_1,
                const Tensor2<double, 3, 3> &t2_2)
{
  Index<'i', 3> i;
  Index<'j', 3> j;
 
  Number<0> N0;
  Number<1> N1;
  Number<2> N2;
 
  /* Tensor2 tests */
  Tensor2<double, 3, 3> t2;
  t2(i, j) = t2_1(i, j);
 
  /* Equals */
 
  t2(i, j) += t2_2(i, j);
  test_for_zero(t2(0, 0) - (t2_1(0, 0) + t2_2(0, 0)), "T2(i,j)+=T2(i,j)(0,0)");
  test_for_zero(t2(0, 1) - (t2_1(0, 1) + t2_2(0, 1)), "T2(i,j)+=T2(i,j)(0,1)");
  test_for_zero(t2(0, 2) - (t2_1(0, 2) + t2_2(0, 2)), "T2(i,j)+=T2(i,j)(0,2)");
  test_for_zero(t2(1, 0) - (t2_1(1, 0) + t2_2(1, 0)), "T2(i,j)+=T2(i,j)(1,0)");
  test_for_zero(t2(1, 1) - (t2_1(1, 1) + t2_2(1, 1)), "T2(i,j)+=T2(i,j)(1,1)");
  test_for_zero(t2(1, 2) - (t2_1(1, 2) + t2_2(1, 2)), "T2(i,j)+=T2(i,j)(1,2)");
  test_for_zero(t2(2, 0) - (t2_1(2, 0) + t2_2(2, 0)), "T2(i,j)+=T2(i,j)(2,0)");
  test_for_zero(t2(2, 1) - (t2_1(2, 1) + t2_2(2, 1)), "T2(i,j)+=T2(i,j)(2,1)");
  test_for_zero(t2(2, 2) - (t2_1(2, 2) + t2_2(2, 2)), "T2(i,j)+=T2(i,j)(2,2)");
}