// Task : Example file for confusion regularizer module
// Author : Vigneshwer 
// Date : 28th May 2018
// Version : 0.0.1

extern crate deeprust;

use deeprust::reg::regularizer as l2;

fn main() {

    // test variables
    let lambda = 4.0_f64;
    let m = 5.0; // Number of training samples y.len()
    let theta : Vec<f64> = vec![1.0,2.0,3.0,4.0];
    let mut loss = 3.0;

    println!("\nlambda = {0} \nm = {1} \ntheta = {2:?} \nloss = {3}", lambda, m, theta, loss);
    println!("theta^2 = {0} ", l2::l2_reg(lambda, theta.clone())/lambda);
    println!("lambda*theta_square = {0} ", l2::l2_reg(lambda, theta.clone()));
    println!("(lambda*theta_square)/(2.0*m) = {0} ", l2::l2_reg(lambda, theta.clone())/(2.0*m));

    loss = loss + l2::l2_reg(lambda, theta)/(2.0*m);
    println!("loss = {} \n", loss);  
}