fp32 and fp64 are done

example/complex_contraction_3/Complex.hpp

-#include <iostream>
-#include <vector>
-
-using namespace std;
-
-class Complex {
-
-    private:
-        float real;
-        float imag;
-
-
-    public:
-
-        Complex(){
-            this->real = 0;
-            this->imag = 0;
-        }
-
-        Complex(float real, float imag) {
-            this->real = real;
-            this->imag = imag;
-        }
-
-
-        void setReal(float real) {
-            this->real = real;
-        }
-
-        void setImag(float imag) {
-            this->imag = imag;
-        }
-
-        float getReal() const {
-            return this->real;
-        }
-
-        float getImag() const {
-            return this->imag;
-        }
-
-
-        Complex operator+(Complex const &obj) {
-            Complex res;
-            res.real = this->real + obj.real;
-            res.imag = this->imag + obj.imag;
-            return res;
-        }
-
-        Complex operator-(Complex const &obj) {
-            Complex res;
-            res.real = this->real - obj.real;
-            res.imag = this->imag - obj.imag;
-            return res;
-        }
-
-        Complex operator*(Complex const &obj) {
-            Complex res;
-            res.real = this->real * obj.real - this->imag * obj.imag;
-            res.imag = this->real * obj.imag + this->imag * obj.real;
-            return res;
-        }
-
-        friend bool operator!=(Complex const &obj1, Complex const &obj2) {
-            return (obj1.real != obj2.real || obj1.imag != obj2.imag);
-        }
-
-        friend bool operator==(Complex const &obj1, Complex const &obj2) {
-            return (obj1.real == obj2.real && obj1.imag == obj2.imag);
-        }
-
-        friend ostream& operator<<(ostream& os, const Complex& obj) {
-            os << obj.real << " + " << obj.imag << "i";
-            return os;
-        }
-
-        Complex complex_mult(Complex const &obj) const{
-            return Complex(this->real * obj.real - this->imag * obj.imag, 
-                            this->real * obj.imag + this->imag * obj.real);
-        }
-
-
-};
\ No newline at end of file