wip parsing and error

headers/parser.h

@@ -1,11 +1,6 @@
 #ifndef PARSER_H
 #define PARSER_H
 
-#include "libft.h"
-#include "lexer.h"
-#include "errors.h"
-#include <stdbool.h>
-
 typedef enum
 {
     TERM_LEFT,  // a in "a = b"
@@ -25,7 +20,7 @@ typedef struct
     term_position position;
     term_sign sign;
     double coefficient;
-    int exponent;
+    double exponent;
 } term;
 
 int parse(token *tokens, term *terms, int terms_count_max);