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/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using System;
using System.Globalization;
namespace UVtools.Core.Extensions
{
public static class MathExtensions
{
public static byte Clamp(this byte value, byte min, byte max)
{
return value <= min ? min : value >= max ? max : value;
}
public static sbyte Clamp(this sbyte value, sbyte min, sbyte max)
{
return value <= min ? min : value >= max ? max : value;
}
public static ushort Clamp(this ushort value, ushort min, ushort max)
{
return value <= min ? min : value >= max ? max : value;
}
public static short Clamp(this short value, short min, short max)
{
return value <= min ? min : value >= max ? max : value;
}
public static uint Clamp(this uint value, uint min, uint max)
{
return value <= min ? min : value >= max ? max : value;
}
public static int Clamp(this int value, int min, int max)
{
return value <= min ? min : value >= max ? max : value;
}
public static ulong Clamp(this ulong value, ulong min, ulong max)
{
return value <= min ? min : value >= max ? max : value;
}
public static long Clamp(this long value, long min, long max)
{
return value <= min ? min : value >= max ? max : value;
}
public static float Clamp(this float value, float min, float max)
{
return value <= min ? min : value >= max ? max : value;
}
public static double Clamp(this double value, double min, double max)
{
return value <= min ? min : value >= max ? max : value;
}
public static decimal Clamp(this decimal value, decimal min, decimal max)
{
return value <= min ? min : value >= max ? max : value;
}
public static T Clamp<T>(T value, T min, T max) where T : IComparable<T>
{
if (value.CompareTo(min) < 0)
return min;
if (value.CompareTo(max) > 0)
return max;
return value;
}
public static uint DecimalDigits(this float val)
{
var valStr = val.ToString(CultureInfo.InvariantCulture).TrimEnd('0');
if (string.IsNullOrEmpty(valStr)) return 0;
var index = valStr.IndexOf('.');
if (index < 0) return 0;
return (uint) (valStr.Substring(index).Length - 1);
}
public static uint DecimalDigits(this double val)
{
var valStr = val.ToString(CultureInfo.InvariantCulture).TrimEnd('0');
if (string.IsNullOrEmpty(valStr)) return 0;
var index = valStr.IndexOf('.');
if (index < 0) return 0;
return (uint)(valStr.Substring(index).Length - 1);
}
public static uint DecimalDigits(this decimal val)
{
var valStr = val.ToString(CultureInfo.InvariantCulture).TrimEnd('0');
if (string.IsNullOrEmpty(valStr) || valStr[^1] == '.') return 0;
var index = valStr.IndexOf('.');
if (index < 0) return 0;
return (uint)(valStr.Substring(index).Length - 1);
}
public static bool IsInteger(this float val, float tolerance = 0.0001f) => Math.Abs(val - Math.Floor(val)) < tolerance;
public static bool IsInteger(this double val, double tolerance = 0.0001) => Math.Abs(val - Math.Floor(val)) < tolerance;
public static bool IsInteger(this decimal val) => val == Math.Floor(val);
}
}
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