update file structure

src/reducer.c

@@ -0,0 +1,27 @@
+/* reduce.c */
+
+#include "computorv1.h"
+
+void reduce(s_term *terms, double *polynom)
+{
+    int i;
+    int exponent;
+    double tmp;
+
+    i = 0;
+    while (terms[i].position != TERM_END)
+    {
+        // get coefficient with left sign
+        tmp = terms[i].coefficient;
+        if (terms[i].position == TERM_RIGHT)
+        {
+            tmp *= -1;
+        }
+
+        // add coefficient to exponent
+        exponent = terms[i].exponent;
+        polynom[exponent] += tmp;
+
+        i++;
+    }
+}