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
15static 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
29static 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
43static 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
57void 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