From e698f5cab3d28fe740a853387859d713ff318885 Mon Sep 17 00:00:00 2001
From: David Kathoh <mudavidkat@gmail.com>
Date: Thu, 21 Mar 2024 12:51:41 +0200
Subject: [PATCH] implemented #24 and made field, polynomial, mpolynomila
 modules public

---
 baby-stark/src/main.rs        |  6 +++---
 baby-stark/src/mpolynomial.rs | 40 +++++++++++++++++++++++++++++++----
 2 files changed, 39 insertions(+), 7 deletions(-)

diff --git a/baby-stark/src/main.rs b/baby-stark/src/main.rs
index 81d4c45..97a789b 100644
--- a/baby-stark/src/main.rs
+++ b/baby-stark/src/main.rs
@@ -2,9 +2,9 @@ use baby_stark_math_lib;
 
 use crate::field::FieldElement;
 
-mod field;
-mod polynomial;
-mod mpolynomial;
+pub mod field;
+pub mod polynomial;
+pub mod mpolynomial;
 
 fn main() {
     println!("Hello, world!");
diff --git a/baby-stark/src/mpolynomial.rs b/baby-stark/src/mpolynomial.rs
index c055fe0..d5430a5 100644
--- a/baby-stark/src/mpolynomial.rs
+++ b/baby-stark/src/mpolynomial.rs
@@ -1,7 +1,39 @@
-pub struct MPolynomial{
-    
+use crate::field::FieldElement;
+use std::collections::HashMap;
+pub struct MPolynomial {
+    dictionary: HashMap<String, FieldElement>,
 }
 
-impl MPolynomial{
+impl MPolynomial {
+    pub fn from(dictionary: HashMap<String, FieldElement>) -> MPolynomial {
+        MPolynomial { dictionary }
+    }
 
-}
\ No newline at end of file
+    pub fn zero() -> MPolynomial {
+        let my_hash_map: HashMap<String, FieldElement> = HashMap::new();
+
+        MPolynomial {
+            dictionary: my_hash_map,
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    #[test]
+    fn test_creation_polynomial() {
+        let mut my_dic: HashMap<String, FieldElement> = HashMap::new();
+        my_dic.insert("x".to_string(), FieldElement::new());
+        my_dic.insert("y".to_string(), FieldElement::new());
+        my_dic.insert("y".to_string(), FieldElement::new());
+        let x = MPolynomial { dictionary: my_dic };
+    }
+
+    #[test]
+    fn test_init_polynomial() {
+        let mut my_dic: HashMap<String, FieldElement> = HashMap::new();
+        my_dic.insert("x".to_string(), FieldElement::new());
+        let poly = MPolynomial::from(my_dic);
+    }
+}