Task 6 and 7 are done

2025.05.09/06Ex/solve.c

@@ -0,0 +1,35 @@
+#include "solve.h"
+#include "comp.h"
+
+#include <math.h>
+#include <float.h>
+
+double t6_solve (
+		double (*f) (double), 
+		double a, double b,
+		int n	
+) {
+	const double h = (b - a) / n;
+	double x = a;
+	double sum;
+
+	if (is_null(a) || is_null(b))
+		return DBL_MAX;
+
+	f_global = f;
+       	sum = (wf(a) + wf(b)) * 0.5;
+
+	if (h < NUM_FPE)
+		return DBL_MAX;
+	
+	for (int i = 1; i < (n - 1); ++i)
+	{
+		x += h;
+		if (is_null(x))
+			return DBL_MAX;
+		sum += wf(x);
+	}
+
+	return h * sum;
+}
+