Merge branch 'master' into develop

JetStream96 · JetStream96 · commit 48bc08d96dde · 2018-04-15T19:16:30.000+08:00
diff --git a/src/QSP/ChangeLog.txt b/src/QSP/ChangeLog.txt
@@ -1,4 +1,7 @@
-﻿version 0.4.3
+﻿version 0.4.4
+* Fix errors when calculating fuel with certain aircrafts.
+
+version 0.4.3
 * Add profiles for A320 family.
 * Fix fuel burn bias bug.
 
diff --git a/src/QSP/FuelCalculation/FuelData/IFuelTableExtension.cs b/src/QSP/FuelCalculation/FuelData/IFuelTableExtension.cs
@@ -2,9 +2,12 @@
 {
     public static class IFuelTableExtension
     {
+        /// <summary>
+        /// Returns null if f is null.
+        /// </summary>
         public static IFuelTable WithBias(this IFuelTable f, double bias)
         {
-            return new Helper(f, bias);
+            return f == null ? null : new Helper(f, bias);
         }
 
         private class Helper : IFuelTable
diff --git a/src/QSP/Properties/AssemblyInfo.cs b/src/QSP/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.4.3.0")]
+[assembly: AssemblyVersion("0.4.4.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]

Original file line number	Diff line number	Diff line change
`@@ -2,9 +2,12 @@`
`2`	`2`	`{`
`3`	`3`	`public static class IFuelTableExtension`
`4`	`4`	`{`
	`5`	`+ /// <summary>`
	`6`	`+ /// Returns null if f is null.`
	`7`	`+ /// </summary>`
`5`	`8`	`public static IFuelTable WithBias(this IFuelTable f, double bias)`
`6`	`9`	`{`
`7`		`- return new Helper(f, bias);`
	`10`	`+ return f == null ? null : new Helper(f, bias);`
`8`	`11`	`}`
`9`	`12`
`10`	`13`	`private class Helper : IFuelTable`