Доделал 46е задание

46Ex/solution_polynomial.c

@@ -0,0 +1,20 @@
+#include "solution_polynomial.h"
+
+int solutionPolynomial(FILE * file, double x, double * derivative, double * polynomial) {
+    double current;
+
+    if (fscanf(file, "%lf", &current) != 1) {
+        printf("File is empty!");
+        return 1;
+    }
+
+    *derivative = *polynomial = 0;
+
+    do {
+        *derivative = *derivative * x + *polynomial;
+        *polynomial = *polynomial * x + current;
+        // c4x^3 + c3x^2 + c2x + c = c = c2x + c = c3x^2 + c2x + c = ...
+    } while (fscanf(file, "%lf", &current) == 1);
+
+    return 0;
+}