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