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-rw-r--r--unsupported/test/cxx11_tensor_assign.cpp370
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diff --git a/unsupported/test/cxx11_tensor_assign.cpp b/unsupported/test/cxx11_tensor_assign.cpp
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+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "main.h"
+
+#include <Eigen/CXX11/Tensor>
+
+using Eigen::Tensor;
+using Eigen::RowMajor;
+
+static void test_1d()
+{
+ Tensor<int, 1> vec1(6);
+ Tensor<int, 1, RowMajor> vec2(6);
+ vec1(0) = 4; vec2(0) = 0;
+ vec1(1) = 8; vec2(1) = 1;
+ vec1(2) = 15; vec2(2) = 2;
+ vec1(3) = 16; vec2(3) = 3;
+ vec1(4) = 23; vec2(4) = 4;
+ vec1(5) = 42; vec2(5) = 5;
+
+ int col_major[6];
+ int row_major[6];
+ memset(col_major, 0, 6*sizeof(int));
+ memset(row_major, 0, 6*sizeof(int));
+ TensorMap<Tensor<int, 1> > vec3(col_major, 6);
+ TensorMap<Tensor<int, 1, RowMajor> > vec4(row_major, 6);
+
+ vec3 = vec1;
+ vec4 = vec2;
+
+ VERIFY_IS_EQUAL(vec3(0), 4);
+ VERIFY_IS_EQUAL(vec3(1), 8);
+ VERIFY_IS_EQUAL(vec3(2), 15);
+ VERIFY_IS_EQUAL(vec3(3), 16);
+ VERIFY_IS_EQUAL(vec3(4), 23);
+ VERIFY_IS_EQUAL(vec3(5), 42);
+
+ VERIFY_IS_EQUAL(vec4(0), 0);
+ VERIFY_IS_EQUAL(vec4(1), 1);
+ VERIFY_IS_EQUAL(vec4(2), 2);
+ VERIFY_IS_EQUAL(vec4(3), 3);
+ VERIFY_IS_EQUAL(vec4(4), 4);
+ VERIFY_IS_EQUAL(vec4(5), 5);
+
+ vec1.setZero();
+ vec2.setZero();
+ vec1 = vec3;
+ vec2 = vec4;
+
+ VERIFY_IS_EQUAL(vec1(0), 4);
+ VERIFY_IS_EQUAL(vec1(1), 8);
+ VERIFY_IS_EQUAL(vec1(2), 15);
+ VERIFY_IS_EQUAL(vec1(3), 16);
+ VERIFY_IS_EQUAL(vec1(4), 23);
+ VERIFY_IS_EQUAL(vec1(5), 42);
+
+ VERIFY_IS_EQUAL(vec2(0), 0);
+ VERIFY_IS_EQUAL(vec2(1), 1);
+ VERIFY_IS_EQUAL(vec2(2), 2);
+ VERIFY_IS_EQUAL(vec2(3), 3);
+ VERIFY_IS_EQUAL(vec2(4), 4);
+ VERIFY_IS_EQUAL(vec2(5), 5);
+}
+
+static void test_2d()
+{
+ Tensor<int, 2> mat1(2,3);
+ Tensor<int, 2, RowMajor> mat2(2,3);
+
+ mat1(0,0) = 0;
+ mat1(0,1) = 1;
+ mat1(0,2) = 2;
+ mat1(1,0) = 3;
+ mat1(1,1) = 4;
+ mat1(1,2) = 5;
+
+ mat2(0,0) = 0;
+ mat2(0,1) = 1;
+ mat2(0,2) = 2;
+ mat2(1,0) = 3;
+ mat2(1,1) = 4;
+ mat2(1,2) = 5;
+
+ int col_major[6];
+ int row_major[6];
+ memset(col_major, 0, 6*sizeof(int));
+ memset(row_major, 0, 6*sizeof(int));
+ TensorMap<Tensor<int, 2> > mat3(row_major, 2, 3);
+ TensorMap<Tensor<int, 2, RowMajor> > mat4(col_major, 2, 3);
+
+ mat3 = mat1;
+ mat4 = mat2;
+
+ VERIFY_IS_EQUAL(mat3(0,0), 0);
+ VERIFY_IS_EQUAL(mat3(0,1), 1);
+ VERIFY_IS_EQUAL(mat3(0,2), 2);
+ VERIFY_IS_EQUAL(mat3(1,0), 3);
+ VERIFY_IS_EQUAL(mat3(1,1), 4);
+ VERIFY_IS_EQUAL(mat3(1,2), 5);
+
+ VERIFY_IS_EQUAL(mat4(0,0), 0);
+ VERIFY_IS_EQUAL(mat4(0,1), 1);
+ VERIFY_IS_EQUAL(mat4(0,2), 2);
+ VERIFY_IS_EQUAL(mat4(1,0), 3);
+ VERIFY_IS_EQUAL(mat4(1,1), 4);
+ VERIFY_IS_EQUAL(mat4(1,2), 5);
+
+ mat1.setZero();
+ mat2.setZero();
+ mat1 = mat3;
+ mat2 = mat4;
+
+ VERIFY_IS_EQUAL(mat1(0,0), 0);
+ VERIFY_IS_EQUAL(mat1(0,1), 1);
+ VERIFY_IS_EQUAL(mat1(0,2), 2);
+ VERIFY_IS_EQUAL(mat1(1,0), 3);
+ VERIFY_IS_EQUAL(mat1(1,1), 4);
+ VERIFY_IS_EQUAL(mat1(1,2), 5);
+
+ VERIFY_IS_EQUAL(mat2(0,0), 0);
+ VERIFY_IS_EQUAL(mat2(0,1), 1);
+ VERIFY_IS_EQUAL(mat2(0,2), 2);
+ VERIFY_IS_EQUAL(mat2(1,0), 3);
+ VERIFY_IS_EQUAL(mat2(1,1), 4);
+ VERIFY_IS_EQUAL(mat2(1,2), 5);
+}
+
+static void test_3d()
+{
+ Tensor<int, 3> mat1(2,3,7);
+ Tensor<int, 3, RowMajor> mat2(2,3,7);
+
+ int val = 0;
+ for (int i = 0; i < 2; ++i) {
+ for (int j = 0; j < 3; ++j) {
+ for (int k = 0; k < 7; ++k) {
+ mat1(i,j,k) = val;
+ mat2(i,j,k) = val;
+ val++;
+ }
+ }
+ }
+
+ int col_major[2*3*7];
+ int row_major[2*3*7];
+ memset(col_major, 0, 2*3*7*sizeof(int));
+ memset(row_major, 0, 2*3*7*sizeof(int));
+ TensorMap<Tensor<int, 3> > mat3(col_major, 2, 3, 7);
+ TensorMap<Tensor<int, 3, RowMajor> > mat4(row_major, 2, 3, 7);
+
+ mat3 = mat1;
+ mat4 = mat2;
+
+ val = 0;
+ for (int i = 0; i < 2; ++i) {
+ for (int j = 0; j < 3; ++j) {
+ for (int k = 0; k < 7; ++k) {
+ VERIFY_IS_EQUAL(mat3(i,j,k), val);
+ VERIFY_IS_EQUAL(mat4(i,j,k), val);
+ val++;
+ }
+ }
+ }
+
+ mat1.setZero();
+ mat2.setZero();
+ mat1 = mat3;
+ mat2 = mat4;
+
+ val = 0;
+ for (int i = 0; i < 2; ++i) {
+ for (int j = 0; j < 3; ++j) {
+ for (int k = 0; k < 7; ++k) {
+ VERIFY_IS_EQUAL(mat1(i,j,k), val);
+ VERIFY_IS_EQUAL(mat2(i,j,k), val);
+ val++;
+ }
+ }
+ }
+}
+
+static void test_same_type()
+{
+ Tensor<int, 1> orig_tensor(5);
+ Tensor<int, 1> dest_tensor(5);
+ orig_tensor.setRandom();
+ dest_tensor.setRandom();
+ int* orig_data = orig_tensor.data();
+ int* dest_data = dest_tensor.data();
+ dest_tensor = orig_tensor;
+ VERIFY_IS_EQUAL(orig_tensor.data(), orig_data);
+ VERIFY_IS_EQUAL(dest_tensor.data(), dest_data);
+ for (int i = 0; i < 5; ++i) {
+ VERIFY_IS_EQUAL(dest_tensor(i), orig_tensor(i));
+ }
+
+ TensorFixedSize<int, Sizes<5> > orig_array;
+ TensorFixedSize<int, Sizes<5> > dest_array;
+ orig_array.setRandom();
+ dest_array.setRandom();
+ orig_data = orig_array.data();
+ dest_data = dest_array.data();
+ dest_array = orig_array;
+ VERIFY_IS_EQUAL(orig_array.data(), orig_data);
+ VERIFY_IS_EQUAL(dest_array.data(), dest_data);
+ for (int i = 0; i < 5; ++i) {
+ VERIFY_IS_EQUAL(dest_array(i), orig_array(i));
+ }
+
+ int orig[5] = {1, 2, 3, 4, 5};
+ int dest[5] = {6, 7, 8, 9, 10};
+ TensorMap<Tensor<int, 1> > orig_map(orig, 5);
+ TensorMap<Tensor<int, 1> > dest_map(dest, 5);
+ orig_data = orig_map.data();
+ dest_data = dest_map.data();
+ dest_map = orig_map;
+ VERIFY_IS_EQUAL(orig_map.data(), orig_data);
+ VERIFY_IS_EQUAL(dest_map.data(), dest_data);
+ for (int i = 0; i < 5; ++i) {
+ VERIFY_IS_EQUAL(dest[i], i+1);
+ }
+}
+
+static void test_auto_resize()
+{
+ Tensor<int, 1> tensor1;
+ Tensor<int, 1> tensor2(3);
+ Tensor<int, 1> tensor3(5);
+ Tensor<int, 1> tensor4(7);
+
+ Tensor<int, 1> new_tensor(5);
+ new_tensor.setRandom();
+
+ tensor1 = tensor2 = tensor3 = tensor4 = new_tensor;
+
+ VERIFY_IS_EQUAL(tensor1.dimension(0), new_tensor.dimension(0));
+ VERIFY_IS_EQUAL(tensor2.dimension(0), new_tensor.dimension(0));
+ VERIFY_IS_EQUAL(tensor3.dimension(0), new_tensor.dimension(0));
+ VERIFY_IS_EQUAL(tensor4.dimension(0), new_tensor.dimension(0));
+ for (int i = 0; i < new_tensor.dimension(0); ++i) {
+ VERIFY_IS_EQUAL(tensor1(i), new_tensor(i));
+ VERIFY_IS_EQUAL(tensor2(i), new_tensor(i));
+ VERIFY_IS_EQUAL(tensor3(i), new_tensor(i));
+ VERIFY_IS_EQUAL(tensor4(i), new_tensor(i));
+ }
+}
+
+
+static void test_compound_assign()
+{
+ Tensor<int, 1> start_tensor(10);
+ Tensor<int, 1> offset_tensor(10);
+ start_tensor.setRandom();
+ offset_tensor.setRandom();
+
+ Tensor<int, 1> tensor = start_tensor;
+ tensor += offset_tensor;
+ for (int i = 0; i < 10; ++i) {
+ VERIFY_IS_EQUAL(tensor(i), start_tensor(i) + offset_tensor(i));
+ }
+
+ tensor = start_tensor;
+ tensor -= offset_tensor;
+ for (int i = 0; i < 10; ++i) {
+ VERIFY_IS_EQUAL(tensor(i), start_tensor(i) - offset_tensor(i));
+ }
+
+ tensor = start_tensor;
+ tensor *= offset_tensor;
+ for (int i = 0; i < 10; ++i) {
+ VERIFY_IS_EQUAL(tensor(i), start_tensor(i) * offset_tensor(i));
+ }
+
+ tensor = start_tensor;
+ tensor /= offset_tensor;
+ for (int i = 0; i < 10; ++i) {
+ VERIFY_IS_EQUAL(tensor(i), start_tensor(i) / offset_tensor(i));
+ }
+}
+
+static void test_std_initializers_tensor() {
+#if EIGEN_HAS_VARIADIC_TEMPLATES
+ Tensor<int, 1> a(3);
+ a.setValues({0, 1, 2});
+ VERIFY_IS_EQUAL(a(0), 0);
+ VERIFY_IS_EQUAL(a(1), 1);
+ VERIFY_IS_EQUAL(a(2), 2);
+
+ // It fills the top-left slice.
+ a.setValues({10, 20});
+ VERIFY_IS_EQUAL(a(0), 10);
+ VERIFY_IS_EQUAL(a(1), 20);
+ VERIFY_IS_EQUAL(a(2), 2);
+
+ // Chaining.
+ Tensor<int, 1> a2(3);
+ a2 = a.setValues({100, 200, 300});
+ VERIFY_IS_EQUAL(a(0), 100);
+ VERIFY_IS_EQUAL(a(1), 200);
+ VERIFY_IS_EQUAL(a(2), 300);
+ VERIFY_IS_EQUAL(a2(0), 100);
+ VERIFY_IS_EQUAL(a2(1), 200);
+ VERIFY_IS_EQUAL(a2(2), 300);
+
+ Tensor<int, 2> b(2, 3);
+ b.setValues({{0, 1, 2}, {3, 4, 5}});
+ VERIFY_IS_EQUAL(b(0, 0), 0);
+ VERIFY_IS_EQUAL(b(0, 1), 1);
+ VERIFY_IS_EQUAL(b(0, 2), 2);
+ VERIFY_IS_EQUAL(b(1, 0), 3);
+ VERIFY_IS_EQUAL(b(1, 1), 4);
+ VERIFY_IS_EQUAL(b(1, 2), 5);
+
+ // It fills the top-left slice.
+ b.setValues({{10, 20}, {30}});
+ VERIFY_IS_EQUAL(b(0, 0), 10);
+ VERIFY_IS_EQUAL(b(0, 1), 20);
+ VERIFY_IS_EQUAL(b(0, 2), 2);
+ VERIFY_IS_EQUAL(b(1, 0), 30);
+ VERIFY_IS_EQUAL(b(1, 1), 4);
+ VERIFY_IS_EQUAL(b(1, 2), 5);
+
+ Eigen::Tensor<int, 3> c(3, 2, 4);
+ c.setValues({{{0, 1, 2, 3}, {4, 5, 6, 7}},
+ {{10, 11, 12, 13}, {14, 15, 16, 17}},
+ {{20, 21, 22, 23}, {24, 25, 26, 27}}});
+ VERIFY_IS_EQUAL(c(0, 0, 0), 0);
+ VERIFY_IS_EQUAL(c(0, 0, 1), 1);
+ VERIFY_IS_EQUAL(c(0, 0, 2), 2);
+ VERIFY_IS_EQUAL(c(0, 0, 3), 3);
+ VERIFY_IS_EQUAL(c(0, 1, 0), 4);
+ VERIFY_IS_EQUAL(c(0, 1, 1), 5);
+ VERIFY_IS_EQUAL(c(0, 1, 2), 6);
+ VERIFY_IS_EQUAL(c(0, 1, 3), 7);
+ VERIFY_IS_EQUAL(c(1, 0, 0), 10);
+ VERIFY_IS_EQUAL(c(1, 0, 1), 11);
+ VERIFY_IS_EQUAL(c(1, 0, 2), 12);
+ VERIFY_IS_EQUAL(c(1, 0, 3), 13);
+ VERIFY_IS_EQUAL(c(1, 1, 0), 14);
+ VERIFY_IS_EQUAL(c(1, 1, 1), 15);
+ VERIFY_IS_EQUAL(c(1, 1, 2), 16);
+ VERIFY_IS_EQUAL(c(1, 1, 3), 17);
+ VERIFY_IS_EQUAL(c(2, 0, 0), 20);
+ VERIFY_IS_EQUAL(c(2, 0, 1), 21);
+ VERIFY_IS_EQUAL(c(2, 0, 2), 22);
+ VERIFY_IS_EQUAL(c(2, 0, 3), 23);
+ VERIFY_IS_EQUAL(c(2, 1, 0), 24);
+ VERIFY_IS_EQUAL(c(2, 1, 1), 25);
+ VERIFY_IS_EQUAL(c(2, 1, 2), 26);
+ VERIFY_IS_EQUAL(c(2, 1, 3), 27);
+#endif // EIGEN_HAS_VARIADIC_TEMPLATES
+}
+
+void test_cxx11_tensor_assign()
+{
+ CALL_SUBTEST(test_1d());
+ CALL_SUBTEST(test_2d());
+ CALL_SUBTEST(test_3d());
+ CALL_SUBTEST(test_same_type());
+ CALL_SUBTEST(test_auto_resize());
+ CALL_SUBTEST(test_compound_assign());
+ CALL_SUBTEST(test_std_initializers_tensor());
+}
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