mpir/mpir.net/mpir.net-tests/HugeFloatTests/Math.cs
2014-06-27 09:35:37 -04:00

67 lines
2.2 KiB
C#

/*
Copyright 2014 Alex Dyachenko
This file is part of the MPIR Library.
The MPIR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
The MPIR Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPIR Library. If not, see http://www.gnu.org/licenses/.
*/
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace MPIR.Tests.HugeFloatTests
{
[TestClass]
public class MiscMath
{
[TestMethod]
public void FloatFloor()
{
using(var a = new HugeFloat("-9023409872309847509847.9385345098345"))
using(var b = new HugeFloat())
{
b.Value = a.Floor();
FloatAssert.AreEqual("-9023409872309847509848", b);
b.Value = (-a).Floor();
FloatAssert.AreEqual("9023409872309847509847", b);
}
}
[TestMethod]
public void FloatCeiling()
{
using(var a = new HugeFloat("-9023409872309847509847.9385345098345"))
using(var b = new HugeFloat())
{
b.Value = a.Ceiling();
FloatAssert.AreEqual("-9023409872309847509847", b);
b.Value = (-a).Ceiling();
FloatAssert.AreEqual("9023409872309847509848", b);
}
}
[TestMethod]
public void FloatTruncate()
{
using(var a = new HugeFloat("-9023409872309847509847.9385345098345"))
using(var b = new HugeFloat())
{
b.Value = a.Truncate();
FloatAssert.AreEqual("-9023409872309847509847", b);
b.Value = (-a).Truncate();
FloatAssert.AreEqual("9023409872309847509847", b);
}
}
}
}