Fix Linq.FormatComplexLambda - mathnet#68

diluculo · Jan 8, 2019 · ed1dca5 · ed1dca5
1 parent 15b800a
commit ed1dca5
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/src/Symbolics.Tests/Compilation/Compilation.fs b/src/Symbolics.Tests/Compilation/Compilation.fs
@@ -67,5 +67,8 @@ let tests =
 
             let expr9' = x + 1
             (Compile.compileComplexExpression1OrThrow expr9' symX).Invoke(System.Numerics.Complex.One) --> toComplex 2.0
+
+            let expr10' = y * y + Expression.I * y + (besselk x (Expression.I * y)) / (besselk (negate x) (Expression.I * y))
+            (Compile.compileComplexExpression2OrThrow expr10' symX symY).Invoke(toComplex 0.5, System.Numerics.Complex.One) --> complex 2.0 1.0 // 1*1 + I + 1 = 2 + I
         }
     ]
diff --git a/src/Symbolics/Typed/Linq.fs b/src/Symbolics/Typed/Linq.fs
@@ -231,7 +231,7 @@ module Linq =
         let constant = function
             | E -> Some (Expression.Constant (complex Constants.E 0.0) :> Expression)
             | Pi -> Some (Expression.Constant (complex Constants.Pi 0.0) :> Expression)
-            | _ -> None
+            | I -> Some (Expression.Constant (complex 0.0 1.0) :> Expression)
         let valueType = typeof<complex>
         let mathType = typeof<complex>
         let mathCall1 (name : string) (a : Expression) = Expression.Call(mathType.GetMethod(name, [| valueType |]), a) :> Expression