test_sphere_direction()

static void test_sphere_direction ( void  )

static

Definition at line 69 of file cu_geodetic.c.

{
        GEOGRAPHIC_POINT s, e;
        double dir, dist;
 
        geographic_point_init(0, 0, &s);
        geographic_point_init(1, 0, &e);
        dist = sphere_distance(&s, &e);
        dir = sphere_direction(&s, &e, dist);
        /* GeodSolve -i -E -p 16 -e 1 0 --input-string "0 0 0 1" */
        CU_ASSERT_DOUBLE_EQUAL(dir, M_PI_2, 1e-14);
        CU_ASSERT_DOUBLE_EQUAL(dist, 0.0174532925199433, 1e-14);
 
        geographic_point_init(0, 0, &s);
        geographic_point_init(0, 1, &e);
        dist = sphere_distance(&s, &e);
        dir = sphere_direction(&s, &e, dist);
        /* GeodSolve -i -E -p 16 -e 1 0 --input-string "0 0 1 0" */
        CU_ASSERT_DOUBLE_EQUAL(dir, 0.0, 1e-14);
        CU_ASSERT_DOUBLE_EQUAL(dist, 0.0174532925199433, 1e-14);
 
}

References geographic_point_init(), s, sphere_direction(), and sphere_distance().

Referenced by geodetic_suite_setup().

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