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pub mod basic_functions {
pub fn addition(pars: &Vec<f32>) -> f32 {
        let mut x:f32=0.0;
        for i in pars {
            x+=i
        }
        x        
    }
pub fn subtraction(pars: &Vec<f32>) -> f32 {
        let mut x=pars[0]+pars[0];
        for i in pars {
            x-=i
        }
        x        
    }
pub fn multiplication(pars: &Vec<f32>) -> f32 {
        let mut x=1.0;
        for i in pars {
            x*=i
        }
        x        
    }
pub fn division(pars: &Vec<f32>) -> f32 {
        let mut x=pars[0]*pars[0];
        for i in pars {
            x/=i
        }
        x        
    }
pub fn modulus(pars: &Vec<f32>) -> f32 {
        let mut i = 0;
        let mut x = 0.0;
        loop {
            if i+1 == pars.len(){
                return x
            }
            else {
                x = pars[i]%pars[i+1];
                i+=1
            }
        }
        
    }
}

pub mod advanced_functions {
pub fn square(pars: &Vec<f32>) -> f32 {
        pars[0]*pars[0]
    }
    
pub fn cube(pars: &Vec<f32>) -> f32 {
        pars[0]*pars[0]*pars[0]        
    }

pub fn sqrt(pars: &Vec<f32>) -> f32 {
        let mut i = 0.0;
        while i<=pars[0]/2.0 {
            if i*i == pars[0] {
                return i
            }
            else {
                i+=1.0
            }
        }
        i = 0.0;
        i        
    }

pub fn cbrt(pars: &Vec<f32>) -> f32 {
    if pars[0]>0.0{    
        let mut i = 0.0;
        while i <= pars[0]/4.0 {
            if i*i*i == pars[0] {
                return i
            }
            else {
                i+=1.0
            }
        }
        i = 0.0;
        i  
    }
    else {
        let mut i = 0.0;
        while i >= pars[0]/4.0 {
            if i*i*i == pars[0] {
                return i
            }
            else {
                i-=1.0
            }
        }
        i = 0.0;
        i        
    }
}
pub fn power (pars: &Vec<f32>) -> f32 {
    if pars.len()==2{
        pars[0].powf(pars[1])
        }
    else {
        0.0        
    }
}

}