Files
HandyControl/Net35/HandyControl_Net35/Shell/Standard/DoubleUtilities.cs
T
2019-01-21 00:43:10 +08:00

67 lines
2.1 KiB
C#

namespace Standard
{
using System;
using System.Diagnostics.CodeAnalysis;
internal static class DoubleUtilities
{
private const double Epsilon = 1.53E-06;
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool AreClose(double value1, double value2)
{
if (value1 == value2)
{
return true;
}
double num = value1 - value2;
return ((num < 1.53E-06) && (num > -1.53E-06));
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool GreaterThan(double value1, double value2)
{
return ((value1 > value2) && !AreClose(value1, value2));
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool GreaterThanOrClose(double value1, double value2)
{
if (value1 <= value2)
{
return AreClose(value1, value2);
}
return true;
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool IsFinite(double value)
{
return (!double.IsNaN(value) && !double.IsInfinity(value));
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool IsValidSize(double value)
{
return (IsFinite(value) && GreaterThanOrClose(value, 0.0));
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool LessThan(double value1, double value2)
{
return ((value1 < value2) && !AreClose(value1, value2));
}
[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
public static bool LessThanOrClose(double value1, double value2)
{
if (value1 >= value2)
{
return AreClose(value1, value2);
}
return true;
}
}
}