Various bugfixes and additions

eo/contrib/mathsym/eval/MultiFunction.h

@@ -0,0 +1,26 @@
+#ifndef MULTIFUNCTION_H_
+#define MULTIFUNCTION_H_
+
+#include <vector>
+
+class Sym;
+class MultiFunctionImpl;
+
+class MultiFunction {
+    MultiFunction& operator=(const MultiFunction&);
+    MultiFunction(const MultiFunction&);
+
+    MultiFunctionImpl* pimpl;
+    
+    public:
+
+    MultiFunction(const std::vector<Sym>& pop);
+    ~MultiFunction();
+    
+    void operator()(const std::vector<double>& x, std::vector<double>& y);
+    void operator()(const double* x, double* y);
+    
+};
+
+#endif
+