Task 7 was corrected

2025.03.28/08Ex/solve.c

@@ -0,0 +1,45 @@
+#include "solve.h"
+#include "matrix.h"
+#include <math.h>
+
+
+void t7_solve(const double * restrict A, double * restrict x_0, const double * restrict b, double * restrict x, double * restrict r, int n, int m, double t)
+{
+	(void)r;
+	
+	for (int k = 0; k < m; ++k)
+	{
+		double * swap_temp;
+
+		#pragma omp parallel for
+		for (int i = 0; i < n; ++i)
+		{
+			double sum = 0;
+			
+			#pragma omp simd reduction(+:sum)
+			for (int j = 0; j < n; ++j)
+				sum += A[i*n + j] * x_0[j];
+
+			x[i] = x_0[i] + ((b[i] - sum) / A[i*n + i]) * t;
+		}
+	
+		swap_temp = x;
+		x = x_0;
+		x_0 = swap_temp;
+	}
+
+	if (m % 2 == 0) // Проверил 100 раз	
+		for (int i = 0; i < n; i++)
+		{
+			double temp = x[i];
+			x[i] = x_0[i];
+			x_0[i] = temp;
+		}
+	else
+	{
+		double * swap_temp = x;
+		x = x_0;
+		x_0 = swap_temp;
+	}
+}
+