Merge pull request #318 from GitPaean/fixing_gen_eval_python

fixing genEvalSpecializations.py instead of editing Evaluationn directly
OPM · Dec 18, 2018 · d8f7702 · d8f7702
2 parents 9a1f9ea + 7482a2f
commit d8f7702
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/bin/genEvalSpecializations.py b/bin/genEvalSpecializations.py
@@ -560,7 +560,11 @@ class Evaluation<ValueT, {{ numDerivs }}>
     // negation (unary minus) operator
     Evaluation operator-() const
     {
+{% if numDerivs < 0 %}\
+        Evaluation result(*this);
+{% else %}\
         Evaluation result;
+{% endif %}\
 
         // set value and derivatives to negative
 {% if numDerivs <= 0 %}\
@@ -765,9 +769,7 @@ class Evaluation<ValueT, {{ numDerivs }}>
 template <class RhsValueType, class ValueType, int numVars>
 Evaluation<ValueType, numVars> operator-(const RhsValueType& a, const Evaluation<ValueType, numVars>& b)
 {
-    Evaluation<ValueType, numVars> result(a);
-    result -= b;
-    return result;
+    return -(b - a);
 }
 
 template <class RhsValueType, class ValueType, int numVars>