Tan completed.

Paris · Oct 23, 2010 · b12c368 · b12c368
1 parent dc48d10
commit b12c368
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Showing 3 changed files with 16 additions and 6 deletions.
diff --git a/IronAHK/Site/docs/developing/status/index.html b/IronAHK/Site/docs/developing/status/index.html
@@ -244,7 +244,7 @@
 ["SubStr", false, false, false, false, ""],
 ["Suspend", false, false, false, false, ""],
 ["SysGet", false, false, false, false, ""],
-["Tan", false, false, false, false, ""],
+["Tan", true, true, true, true, ""],
 ["Thread", false, false, false, false, ""],
 ["ToolTip", false, false, false, false, ""],
 ["Transform", false, false, false, false, ""],

diff --git a/Rusty/Core/Math.cs b/Rusty/Core/Math.cs
@@ -238,13 +238,13 @@ public static double Sqrt(double n)
         }
 
         /// <summary>
-        /// Returns the trigonometric tangent of Number. Number must be expressed in radians.
+        /// Returns the tangent of the specified angle.
         /// </summary>
-        /// <param name="Number"></param>
-        /// <returns></returns>
-        public static decimal Tan(decimal Number)
+        /// <param name="n">An angle, measured in radians.</param>
+        /// <returns>The tangent of <paramref name="n"/>.</returns>
+        public static double Tan(double n)
         {
-            return (decimal)Math.Tan((double)Number);
+            return Math.Tan(n);
         }
     }
 }
diff --git a/Tests/Rusty/Math.cs b/Tests/Rusty/Math.cs
@@ -198,5 +198,15 @@ public void Sqrt()
 
             Assert.AreEqual(0, Core.Sqrt(-1));
         }
+
+        [Test, Category("Math")]
+        public void Tan()
+        {
+            foreach (var n in new[] { -1, -0.5, 0, 0.5, 1, 0.675 })
+            {
+                var v = n * Math.PI;
+                Assert.AreEqual(Math.Tan(v), Core.Tan(v));
+            }
+        }
     }
 }