| /Numerics.cs |
|---|
| @@ -4,6 +4,9 @@ |
|---|
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| |
| using System; |
| using System.Linq.Expressions; |
| |
| namespace wasSharp |
| { |
| public class Numerics |
| @@ -15,26 +18,28 @@ |
|---|
| /// Given a value in a source value range and a target range, map |
| /// the value from the source range into the target range. |
| /// </summary> |
| /// <param name="value">the value to map</param> |
| /// <param name="xMin">the lower bound of the source range</param> |
| /// <param name="xMax">the upper bound of the source range</param> |
| /// <param name="yMin">the lower bound of the target range</param> |
| /// <param name="yMax">the upper bound of the target range</param> |
| public static double MapValueToRange(double value, double xMin, double xMax, double yMin, double yMax) |
| { |
| return yMin + ( |
| ( |
| yMax - yMin |
| ) |
| * |
| ( |
| value - xMin |
| ) |
| / |
| ( |
| xMax - xMin |
| ) |
| ); |
| } |
| /// <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 Func<double, double, double, double, double, double> MapValueToRange = |
| ((Expression<Func<double, double, double, double, double, double>>) |
| ((value, xMin, xMax, yMin, yMax) => yMin + ( |
| ( |
| yMax - yMin |
| ) |
| * |
| ( |
| value - xMin |
| ) |
| / |
| ( |
| xMax - xMin |
| ) |
| ))).Compile(); |
| } |
| } |
