cxx11_tensor_mixed_indices.cpp File Reference

#include "main.h"
#include <Eigen/CXX11/Tensor>

Functions
static void	test_simple ()
	EIGEN_DECLARE_TEST (cxx11_tensor_mixed_indices)

Function Documentation

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

cxx11_tensor_mixed_indices

)

{ CALL_SUBTEST(test_simple()); }

References CALL_SUBTEST, and test_simple().

test_simple()

static void test_simple ( )

static

                          {
  Tensor<float, 1, ColMajor> vec1(6);
  Tensor<float, 1, ColMajor, int> vec2(6);
 
  vec1(0) = 4.0;
  vec2(0) = 0.0;
  vec1(1) = 8.0;
  vec2(1) = 1.0;
  vec1(2) = 15.0;
  vec2(2) = 2.0;
  vec1(3) = 16.0;
  vec2(3) = 3.0;
  vec1(4) = 23.0;
  vec2(4) = 4.0;
  vec1(5) = 42.0;
  vec2(5) = 5.0;
 
  float data3[6];
  TensorMap<Tensor<float, 1, ColMajor>> vec3(data3, 6);
  vec3 = vec1.sqrt();
  float data4[6];
  TensorMap<Tensor<float, 1, ColMajor, int>> vec4(data4, 6);
  vec4 = vec2.square();
 
  VERIFY_IS_APPROX(vec3(0), sqrtf(4.0));
  VERIFY_IS_APPROX(vec3(1), sqrtf(8.0));
  VERIFY_IS_APPROX(vec3(2), sqrtf(15.0));
  VERIFY_IS_APPROX(vec3(3), sqrtf(16.0));
  VERIFY_IS_APPROX(vec3(4), sqrtf(23.0));
  VERIFY_IS_APPROX(vec3(5), sqrtf(42.0));
 
  VERIFY_IS_APPROX(vec4(0), 0.0f);
  VERIFY_IS_APPROX(vec4(1), 1.0f);
  VERIFY_IS_APPROX(vec4(2), 2.0f * 2.0f);
  VERIFY_IS_APPROX(vec4(3), 3.0f * 3.0f);
  VERIFY_IS_APPROX(vec4(4), 4.0f * 4.0f);
  VERIFY_IS_APPROX(vec4(5), 5.0f * 5.0f);
}

References vec1(), and VERIFY_IS_APPROX.

Referenced by EIGEN_DECLARE_TEST().