Renamed example

Author: ivoryw

src/example.cc

@@ -0,0 +1,37 @@
+#include "autodiff.hpp"
+#include "net.hpp"
+#include "layers.hpp"
+#include "optim.hpp"
+#include "loss.hpp"
+
+#include <iostream>
+
+class Model : public nn::Net{
+    public:
+    Model() : nn::Net(), fc1(10, 1, this){ }
+
+    nn::FullyConnected fc1;
+    autodiff::Var forward(autodiff::Var& x) {
+        auto y = fc1(x);
+        return y;
+    }
+};
+
+int main(){
+    nn::Tensor a(1,10);
+    nn::Tensor z(1);
+    a.rand(0,1);
+    z.rand(0,1);
+    std::cout << a.row(0);
+    std::cout << a.col(0);
+    autodiff::Var var_a(a);
+    autodiff::Var var_z(z);
+
+    Model model;
+    auto opt = opt::GD(model.params());
+    auto y = model.forward(var_a);
+    auto l = loss::cross_entropy_loss(y, var_z);
+    model.backward(y);
+    opt.step();
+    std::cout << l;
+}