wasSharp – Diff between revs 24 and 27

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1 /////////////////////////////////////////////////////////////////////////// 1 ///////////////////////////////////////////////////////////////////////////
2 // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // 2 // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 //
3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // 3 // Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
4 // rights of fair usage, the disclaimer and warranty conditions. // 4 // rights of fair usage, the disclaimer and warranty conditions. //
5 /////////////////////////////////////////////////////////////////////////// 5 ///////////////////////////////////////////////////////////////////////////
6   6  
7 namespace wasSharp 7 namespace wasSharp
8 { 8 {
9 public static class Numerics 9 public static class Numerics
10 { 10 {
11 /////////////////////////////////////////////////////////////////////////// 11 ///////////////////////////////////////////////////////////////////////////
12 // Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 // 12 // Copyright (C) Wizardry and Steamworks 2015 - License: GNU GPLv3 //
13 /////////////////////////////////////////////////////////////////////////// 13 ///////////////////////////////////////////////////////////////////////////
14 /// <summary> 14 /// <summary>
15 /// Given a value in a source value range and a target range, map 15 /// Given a value in a source value range and a target range, map
16 /// the value from the source range into the target range. 16 /// the value from the source range into the target range.
17 /// </summary> 17 /// </summary>
18 /// <remarks> 18 /// <remarks>
19 /// value - the value to map 19 /// value - the value to map
20 /// xMin - the lower bound of the source range 20 /// xMin - the lower bound of the source range
21 /// xMax - the upper bound of the source range 21 /// xMax - the upper bound of the source range
22 /// yMin - the lower bound of the target range 22 /// yMin - the lower bound of the target range
23 /// yMax - the upper bound of the target range 23 /// yMax - the upper bound of the target range
24 /// </remarks> 24 /// </remarks>
25 /// <returns>a value in x mapped in the range of y</returns> 25 /// <returns>a value in x mapped in the range of y</returns>
26 public static double MapValueToRange(double value, double xMin, double xMax, double yMin, double yMax) 26 public static double MapValueToRange(double value, double xMin, double xMax, double yMin, double yMax)
27 { 27 {
28 return yMin + (yMax - yMin)*(value - xMin)/(xMax - xMin); 28 return yMin + (yMax - yMin) * (value - xMin) / (xMax - xMin);
29 } 29 }
30   30  
31 public static bool IsNullOrDefault<T>(T value) 31 public static bool IsNullOrDefault<T>(T value)
32 { 32 {
33 return Equals(value, default(T)); 33 return Equals(value, default(T));
34 } 34 }
35   35  
36 public static T DefaultOrValue<T>(this T initial, T value) 36 public static T DefaultOrValue<T>(this T initial, T value)
37 { 37 {
38 return Equals(initial, default(T)) ? value : initial; 38 return Equals(initial, default(T)) ? value : initial;
39 } 39 }
40 } 40 }
41 } -  
42   41 }
-   42  
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