| /Sciences/Mathematics/Numerics.cs |
|---|
| @@ -0,0 +1,41 @@ |
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| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
| // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| |
| namespace wasSharp |
| { |
| public static class Numerics |
| { |
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 // |
| /////////////////////////////////////////////////////////////////////////// |
| /// <summary> |
| /// Given a value in a source value range and a target range, map |
| /// the value from the source range into the target range. |
| /// </summary> |
| /// <remarks> |
| /// value - the value to map |
| /// xMin - the lower bound of the source range |
| /// xMax - the upper bound of the source range |
| /// yMin - the lower bound of the target range |
| /// yMax - the upper bound of the target range |
| /// </remarks> |
| /// <returns>a value in x mapped in the range of y</returns> |
| public static double MapValueToRange(double value, double xMin, double xMax, double yMin, double yMax) |
| { |
| return yMin + (yMax - yMin) * (value - xMin) / (xMax - xMin); |
| } |
| |
| public static bool IsNullOrDefault<T>(T value) |
| { |
| return Equals(value, default(T)); |
| } |
| |
| public static T DefaultOrValue<T>(this T initial, T value) |
| { |
| return Equals(initial, default(T)) ? value : initial; |
| } |
| } |
| } |
