update swig on windows

winx64/bin/swigwin-4.0.0/Examples/octave/operator/example.h

@@ -0,0 +1,35 @@
+/* File : example.h */
+#include <math.h>
+
+class ComplexVal {
+private:
+  double rpart, ipart;
+public:
+  ComplexVal(double r = 0, double i = 0) : rpart(r), ipart(i) { }
+  ComplexVal(const ComplexVal &c) : rpart(c.rpart), ipart(c.ipart) { }
+  ComplexVal &operator=(const ComplexVal &c) {
+    rpart = c.rpart;
+    ipart = c.ipart;
+    return *this;
+  }
+  ComplexVal operator+(const ComplexVal &c) const {
+    return ComplexVal(rpart+c.rpart, ipart+c.ipart);
+  }
+  ComplexVal operator-(const ComplexVal &c) const {
+    return ComplexVal(rpart-c.rpart, ipart-c.ipart);
+  }
+  ComplexVal operator*(const ComplexVal &c) const {
+    return ComplexVal(rpart*c.rpart - ipart*c.ipart,
+		   rpart*c.ipart + c.rpart*ipart);
+  }
+  ComplexVal operator-() const {
+    return ComplexVal(-rpart, -ipart);
+  }
+
+  double re() const { return rpart; }
+  double im() const { return ipart; }
+};
+
+ComplexVal operator*(const double &s, const ComplexVal &c) {
+  return ComplexVal(s*c.re(), s*c.im());
+}