icdsystems/ICD.Common.Utils
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fix: Fixing tests, bad maths

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Chris Cameron
2019-06-13 11:59:12 -04:00
parent e3273934a7
commit 8866a3e1e6
3 changed files with 35 additions and 32 deletions
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50
ICD.Common.Utils/Attributes/RangeAttribute.cs
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@@ -19,16 +19,21 @@ namespace ICD.Common.Utils.Attributes
private static readonly Dictionary<Type, Func<object, double>> s_RemapToDouble =
new Dictionary<Type, Func<object, double>>
{
// Duh
{ typeof(double), o => (double)o},
{ typeof(ushort), o => MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(short), o => MathUtils.MapRange(short.MinValue, short.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(uint), o => MathUtils.MapRange(uint.MinValue, uint.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(int), o => MathUtils.MapRange(int.MinValue, int.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(ulong), o => MathUtils.MapRange(ulong.MinValue, ulong.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(long), o => MathUtils.MapRange(long.MinValue, long.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(float), o => MathUtils.MapRange(float.MinValue, float.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(decimal), o => MathUtils.MapRange((double)decimal.MinValue, (double)decimal.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(byte), o => MathUtils.MapRange(byte.MinValue, byte.MaxValue, double.MinValue, double.MaxValue, (double)o)},
// Signed - Clamping prevents an overflow due to loss of precision
{ typeof(short), o => MathUtils.Clamp(Convert.ToDouble(o) / short.MaxValue, -1, 1) * double.MaxValue},
{ typeof(int), o => MathUtils.Clamp(Convert.ToDouble(o) / int.MaxValue, -1, 1) * double.MaxValue},
{ typeof(long), o => MathUtils.Clamp(Convert.ToDouble(o) / long.MaxValue, -1, 1) * double.MaxValue},
{ typeof(float), o => MathUtils.Clamp(Convert.ToDouble(o) / float.MaxValue, -1, 1) * double.MaxValue},
{ typeof(decimal), o => MathUtils.Clamp(Convert.ToDouble(o) / (double)decimal.MaxValue, -1, 1) * double.MaxValue},
// Unsigned
{ typeof(ushort), o => MathUtils.Clamp((Convert.ToDouble(o) / ushort.MaxValue - 0.5) * 2, -1, 1) * double.MaxValue},
{ typeof(uint), o => MathUtils.Clamp((Convert.ToDouble(o) / uint.MaxValue - 0.5) * 2, -1, 1) * double.MaxValue},
{ typeof(ulong), o => MathUtils.Clamp((Convert.ToDouble(o) / ulong.MaxValue - 0.5) * 2, -1, 1) * double.MaxValue},
{ typeof(byte), o => MathUtils.Clamp((Convert.ToDouble(o) / byte.MaxValue - 0.5) * 2, -1, 1) * double.MaxValue}
};
/// <summary>
@@ -37,16 +42,21 @@ namespace ICD.Common.Utils.Attributes
private static readonly Dictionary<Type, Func<double, object>> s_RemapFromDouble =
new Dictionary<Type, Func<double, object>>
{
{ typeof(double), v => v},
{ typeof(ushort), v => (ushort)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * ushort.MaxValue)},
{ typeof(short), v => (short)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * short.MaxValue)},
{ typeof(uint), v => (uint)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * uint.MaxValue)},
{ typeof(int), v =>(int)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * int.MaxValue)},
{ typeof(ulong), v => (ulong)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * ulong.MaxValue)},
{ typeof(long), v => (long)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * long.MaxValue)},
{ typeof(float), v => (float)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * float.MaxValue)},
{ typeof(decimal), v => (decimal)MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * decimal.MaxValue},
{ typeof(byte), v => (byte)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * byte.MaxValue)},
// Duh
{typeof(double), v => v},
// Signed
{typeof(short), v => (short)(v / double.MaxValue * short.MaxValue)},
{typeof(int), v => (int)(v / double.MaxValue * int.MaxValue)},
{typeof(long), v => (long)(v / double.MaxValue * long.MaxValue)},
{typeof(float), v => (float)(v / double.MaxValue * float.MaxValue)},
{typeof(decimal), v => (decimal)(v / double.MaxValue) * decimal.MaxValue},
// Unsigned
{typeof(ushort), v => (ushort)((v / double.MaxValue + 1) / 2 * ushort.MaxValue)},
{typeof(uint), v => (uint)((v / double.MaxValue + 1) / 2 * uint.MaxValue)},
{typeof(ulong), v => (ulong)((v / double.MaxValue + 1) / 2 * ulong.MaxValue)},
{typeof(byte), v => (byte)((v / double.MaxValue + 1) / 2 * byte.MaxValue)}
};
private readonly object m_Min;
@@ -231,7 +241,7 @@ namespace ICD.Common.Utils.Attributes
/// <returns></returns>
public static ushort RemapToUShort(object value)
{
return (ushort)(ushort.MaxValue * RemapToDouble(value));
return (ushort)(ushort.MaxValue * (RemapToDouble(value) / double.MaxValue + 1) / 2);
}
#endregion