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@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
test_float_rounding()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
test_float_flooring()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
test_float_ceiling()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
test_cxx11_tensor_roundings()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