Log functions pipelines modified to accept complex values

com.oracle.truffle.r.nodes.builtin/src/com/oracle/truffle/r/nodes/builtin/base/LogFunctions.java

@@ -23,6 +23,7 @@
 package com.oracle.truffle.r.nodes.builtin.base;
 
 import static com.oracle.truffle.r.nodes.builtin.CastBuilder.Predef.numericValue;
+import static com.oracle.truffle.r.nodes.builtin.CastBuilder.Predef.complexValue;
 import static com.oracle.truffle.r.runtime.RDispatch.MATH_GROUP_GENERIC;
 import static com.oracle.truffle.r.runtime.builtins.RBehavior.PURE;
 import static com.oracle.truffle.r.runtime.builtins.RBuiltinKind.PRIMITIVE;
@@ -58,7 +59,7 @@ public class LogFunctions {
 
         @Override
         protected void createCasts(CastBuilder casts) {
-            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue());
+            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue().or(complexValue()));
             casts.arg("base").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue()).asDoubleVector().findFirst();
         }
 
@@ -125,7 +126,7 @@ public class LogFunctions {
 
         @Override
         protected void createCasts(CastBuilder casts) {
-            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue());
+            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue().or(complexValue()));
         }
 
         @Override
@@ -152,7 +153,7 @@ public class LogFunctions {
 
         @Override
         protected void createCasts(CastBuilder casts) {
-            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue());
+            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue().or(complexValue()));
         }
 
         @Override
@@ -177,7 +178,7 @@ public class LogFunctions {
 
         @Override
         protected void createCasts(CastBuilder casts) {
-            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue());
+            casts.arg("x").defaultError(RError.Message.NON_NUMERIC_ARGUMENT_FUNCTION).mustBe(numericValue().or(complexValue()));
         }
 
         @Override