Home | History | Annotate | Download | only in test
      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog (at) gmail.com>
      5 //
      6 // This Source Code Form is subject to the terms of the Mozilla
      7 // Public License v. 2.0. If a copy of the MPL was not distributed
      8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
      9 
     10 #include "main.h"
     11 
     12 #include <Eigen/CXX11/Tensor>
     13 
     14 using Eigen::Tensor;
     15 using Eigen::RowMajor;
     16 
     17 static void test_orderings()
     18 {
     19   Tensor<float, 3> mat1(2,3,7);
     20   Tensor<float, 3> mat2(2,3,7);
     21   Tensor<bool, 3> lt(2,3,7);
     22   Tensor<bool, 3> le(2,3,7);
     23   Tensor<bool, 3> gt(2,3,7);
     24   Tensor<bool, 3> ge(2,3,7);
     25 
     26   mat1.setRandom();
     27   mat2.setRandom();
     28 
     29   lt = mat1 < mat2;
     30   le = mat1 <= mat2;
     31   gt = mat1 > mat2;
     32   ge = mat1 >= mat2;
     33 
     34   for (int i = 0; i < 2; ++i) {
     35     for (int j = 0; j < 3; ++j) {
     36       for (int k = 0; k < 7; ++k) {
     37         VERIFY_IS_EQUAL(lt(i,j,k), mat1(i,j,k) < mat2(i,j,k));
     38         VERIFY_IS_EQUAL(le(i,j,k), mat1(i,j,k) <= mat2(i,j,k));
     39         VERIFY_IS_EQUAL(gt(i,j,k), mat1(i,j,k) > mat2(i,j,k));
     40         VERIFY_IS_EQUAL(ge(i,j,k), mat1(i,j,k) >= mat2(i,j,k));
     41       }
     42     }
     43   }
     44 }
     45 
     46 
     47 static void test_equality()
     48 {
     49   Tensor<float, 3> mat1(2,3,7);
     50   Tensor<float, 3> mat2(2,3,7);
     51 
     52   mat1.setRandom();
     53   mat2.setRandom();
     54   for (int i = 0; i < 2; ++i) {
     55     for (int j = 0; j < 3; ++j) {
     56       for (int k = 0; k < 7; ++k) {
     57         if (internal::random<bool>()) {
     58           mat2(i,j,k) = mat1(i,j,k);
     59         }
     60       }
     61     }
     62   }
     63 
     64   Tensor<bool, 3> eq(2,3,7);
     65   Tensor<bool, 3> ne(2,3,7);
     66   eq = (mat1 == mat2);
     67   ne = (mat1 != mat2);
     68 
     69   for (int i = 0; i < 2; ++i) {
     70     for (int j = 0; j < 3; ++j) {
     71       for (int k = 0; k < 7; ++k) {
     72         VERIFY_IS_EQUAL(eq(i,j,k), mat1(i,j,k) == mat2(i,j,k));
     73         VERIFY_IS_EQUAL(ne(i,j,k), mat1(i,j,k) != mat2(i,j,k));
     74       }
     75     }
     76   }
     77 }
     78 
     79 
     80 void test_cxx11_tensor_comparisons()
     81 {
     82   CALL_SUBTEST(test_orderings());
     83   CALL_SUBTEST(test_equality());
     84 }
     85