static VALUE rb_gsl_qrng_init(VALUE obj) { gsl_qrng *q = NULL; Data_Get_Struct(obj, gsl_qrng, q); gsl_qrng_init(q); return obj; }
void test_nied2(void) { int status = 0; double v[3]; /* int i; */ /* test in dimension 2 */ gsl_qrng * g = gsl_qrng_alloc(gsl_qrng_niederreiter_2, 2); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.75 || v[1] != 0.25 ); gsl_qrng_get(g, v); status += ( v[0] != 0.25 || v[1] != 0.75 ); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.625 || v[1] != 0.125 ); gsl_qrng_free(g); gsl_test (status, "Niederreiter d=2"); status = 0; /* test in dimension 3 */ g = gsl_qrng_alloc(gsl_qrng_niederreiter_2, 3); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.75 || v[1] != 0.25 || v[2] != 0.3125 ); gsl_qrng_get(g, v); status += ( v[0] != 0.25 || v[1] != 0.75 || v[2] != 0.5625 ); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.625 || v[1] != 0.125 || v[2] != 0.6875 ); gsl_test (status, "Niederreiter d=3"); status = 0; gsl_qrng_init(g); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.75 || v[1] != 0.25 || v[2] != 0.3125 ); gsl_qrng_get(g, v); status += ( v[0] != 0.25 || v[1] != 0.75 || v[2] != 0.5625 ); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.625 || v[1] != 0.125 || v[2] != 0.6875 ); gsl_qrng_free(g); gsl_test (status, "Niederreiter d=3 (reinitialized)"); }
void test_sobol(void) { int status = 0; double v[3]; /* int i; */ /* test in dimension 2 */ gsl_qrng * g = gsl_qrng_alloc(gsl_qrng_sobol, 2); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.25 || v[1] != 0.75 ); gsl_qrng_get(g, v); status += ( v[0] != 0.375 || v[1] != 0.375 ); gsl_qrng_free(g); gsl_test (status, "Sobol d=2"); status = 0; /* test in dimension 3 */ g = gsl_qrng_alloc(gsl_qrng_sobol, 3); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.25 || v[1] != 0.75 || v[2] != 0.25 ); gsl_qrng_get(g, v); status += ( v[0] != 0.375 || v[1] != 0.375 || v[2] != 0.625 ); gsl_test (status, "Sobol d=3"); status = 0; gsl_qrng_init(g); gsl_qrng_get(g, v); gsl_qrng_get(g, v); gsl_qrng_get(g, v); status += ( v[0] != 0.25 || v[1] != 0.75 || v[2] != 0.25 ); gsl_qrng_get(g, v); status += ( v[0] != 0.375 || v[1] != 0.375 || v[2] != 0.625 ); gsl_qrng_free(g); gsl_test (status, "Sobol d=3 (reinitialized)"); }