Changeset 17125 for trunk/HeuristicLab.Tests

Timestamp:

07/11/19 11:20:58 (5 years ago)

Author:

gkronber

Message:

#2948: added support for tanh in DerivativeCalculator and a unit test case

File:

• trunk/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis.Symbolic-3.4/DeriveTest.cs (modified) (1 diff)

trunk/HeuristicLab.Tests/HeuristicLab.Problems.DataAnalysis.Symbolic-3.4/DeriveTest.cs

@@ -68 +68 @@
 
       Assert.AreEqual("('a' * 'b' * 'c')", Derive("a*b*c*d", "d"));
-      Assert.AreEqual("('a' / ('b' * 'c' * SQR('d') * (-1)))", Derive("a/b/c/d", "d")); 
+      Assert.AreEqual("('a' / ('b' * 'c' * SQR('d') * (-1)))", Derive("a/b/c/d", "d"));
+
+      Assert.AreEqual("('x' * ((SQR(TANH(SQR('x'))) * (-1)) + 1) * 2)", Derive("tanh(sqr(x))", "x")); // (2*'x'*(1 - SQR(TANH(SQR('x'))))
 
       {