1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2016 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 15 static void test_float_rounding() 16 { 17 Tensor<float, 2> ftensor(20,30); 18 ftensor = ftensor.random() * 100.f; 19 20 Tensor<float, 2> result = ftensor.round(); 21 22 for (int i = 0; i < 20; ++i) { 23 for (int j = 0; j < 30; ++j) { 24 VERIFY_IS_EQUAL(result(i,j), numext::round(ftensor(i,j))); 25 } 26 } 27 } 28 29 static void test_float_flooring() 30 { 31 Tensor<float, 2> ftensor(20,30); 32 ftensor = ftensor.random() * 100.f; 33 34 Tensor<float, 2> result = ftensor.floor(); 35 36 for (int i = 0; i < 20; ++i) { 37 for (int j = 0; j < 30; ++j) { 38 VERIFY_IS_EQUAL(result(i,j), numext::floor(ftensor(i,j))); 39 } 40 } 41 } 42 43 static void test_float_ceiling() 44 { 45 Tensor<float, 2> ftensor(20,30); 46 ftensor = ftensor.random() * 100.f; 47 48 Tensor<float, 2> result = ftensor.ceil(); 49 50 for (int i = 0; i < 20; ++i) { 51 for (int j = 0; j < 30; ++j) { 52 VERIFY_IS_EQUAL(result(i,j), numext::ceil(ftensor(i,j))); 53 } 54 } 55 } 56 57 void test_cxx11_tensor_roundings() 58 { 59 CALL_SUBTEST(test_float_rounding()); 60 CALL_SUBTEST(test_float_ceiling()); 61 CALL_SUBTEST(test_float_flooring()); 62 } 63