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-rw-r--r--test/jacobi.t.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/test/jacobi.t.c b/test/jacobi.t.c
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+++ b/test/jacobi.t.c
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+#include "lizfcm.test.h"
+#include <math.h>
+
+Matrix_double *generate_ddm(size_t n) {
+ Matrix_double *m = InitMatrixWithSize(double, n, n, rand_from(0.0, 1.0));
+
+ for (size_t y = 0; y < m->rows; y++) {
+ m->data[y]->data[y] += sum_v(m->data[y]);
+ }
+
+ return m;
+}
+
+UTEST(jacobi, jacobi_solve) {
+ Matrix_double *m = generate_ddm(2);
+
+ Array_double *b_1 = InitArrayWithSize(double, m->rows, 1.0);
+ Array_double *b = m_dot_v(m, b_1);
+
+ double tolerance = 0.001;
+ size_t max_iter = 400;
+ Array_double *solution = jacobi_solve(m, b, tolerance, max_iter);
+
+ for (size_t y = 0; y < m->rows; y++) {
+ double dot = v_dot_v(m->data[y], solution);
+ EXPECT_NEAR(b->data[y], dot, 0.1);
+ }
+
+ free_matrix(m);
+ free_vector(b_1);
+ free_vector(b);
+ free_vector(solution);
+}