int main() { slong iter; flint_rand_t state; flint_printf("eisenstein...."); fflush(stdout); flint_randinit(state); /* Test functional equation */ for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++) { acb_t tau1, tau2, t; acb_ptr r1, r2; slong e0, prec0, prec1, prec2, len1, len2, i; psl2z_t g; psl2z_init(g); acb_init(tau1); acb_init(tau2); acb_init(t); e0 = 1 + n_randint(state, 200); prec0 = 2 + n_randint(state, 2000); prec1 = 2 + n_randint(state, 2000); prec2 = 2 + n_randint(state, 2000); len1 = n_randint(state, 20); len2 = n_randint(state, 20); r1 = _acb_vec_init(len1); r2 = _acb_vec_init(len2); acb_randtest(tau1, state, prec0, e0); acb_randtest(tau2, state, prec0, e0); psl2z_randtest(g, state, 1 + n_randint(state, 200)); acb_modular_transform(tau2, g, tau1, prec0); acb_modular_eisenstein(r1, tau1, len1, prec1); acb_modular_eisenstein(r2, tau2, len2, prec2); for (i = 0; i < FLINT_MIN(len1, len2); i++) { acb_mul_fmpz(t, tau1, &g->c, prec1); acb_add_fmpz(t, t, &g->d, prec1); acb_pow_ui(t, t, 2 * i + 4, prec1); acb_mul(t, t, r1 + i, prec1); if (!acb_overlaps(t, r2 + i)) { flint_printf("FAIL (overlap)\n"); flint_printf("tau1 = "); acb_printd(tau1, 15); flint_printf("\n\n"); flint_printf("tau2 = "); acb_printd(tau2, 15); flint_printf("\n\n"); flint_printf("g = "); psl2z_print(g); flint_printf("\n\n"); flint_printf("r1 = "); acb_printd(r1 + i, 15); flint_printf("\n\n"); flint_printf("r2 = "); acb_printd(r2 + i, 15); flint_printf("\n\n"); flint_printf("t = "); acb_printd(t, 15); flint_printf("\n\n"); flint_abort(); } } acb_clear(tau1); acb_clear(tau2); acb_clear(t); _acb_vec_clear(r1, len1); _acb_vec_clear(r2, len2); psl2z_clear(g); } flint_randclear(state); flint_cleanup(); flint_printf("PASS\n"); return EXIT_SUCCESS; }
int main() { long iter; flint_rand_t state; printf("elliptic_p_zpx...."); fflush(stdout); flint_randinit(state); /* Test differential equation */ for (iter = 0; iter < 5000; iter++) { acb_t tau, z; acb_ptr g, wp, wp3, wpd, wpd2; long prec, len, i; len = 1 + n_randint(state, 15); prec = 2 + n_randint(state, 1000); acb_init(tau); acb_init(z); g = _acb_vec_init(2); wp = _acb_vec_init(len + 1); wp3 = _acb_vec_init(len); wpd = _acb_vec_init(len); wpd2 = _acb_vec_init(len); acb_randtest(tau, state, prec, 10); acb_randtest(z, state, prec, 10); acb_modular_elliptic_p_zpx(wp, z, tau, len + 1, prec); acb_modular_eisenstein(g, tau, 2, prec); acb_mul_ui(g, g, 60, prec); acb_mul_ui(g + 1, g + 1, 140, prec); _acb_poly_derivative(wpd, wp, len + 1, prec); _acb_poly_mullow(wpd2, wpd, len, wpd, len, len, prec); _acb_poly_pow_ui_trunc_binexp(wp3, wp, len, 3, len, prec); _acb_vec_scalar_mul_ui(wp3, wp3, len, 4, prec); _acb_vec_scalar_submul(wp3, wp, len, g, prec); acb_sub(wp3, wp3, g + 1, prec); for (i = 0; i < len; i++) { if (!acb_overlaps(wpd2 + i, wp3 + i)) { printf("FAIL (overlap)\n"); printf("i = %ld len = %ld prec = %ld\n\n", i, len, prec); printf("z = "); acb_printd(z, 15); printf("\n\n"); printf("tau = "); acb_printd(tau, 15); printf("\n\n"); printf("wp = "); acb_printd(wp + i, 15); printf("\n\n"); printf("wpd = "); acb_printd(wpd + i, 15); printf("\n\n"); printf("wp3 = "); acb_printd(wp3 + i, 15); printf("\n\n"); abort(); } } acb_clear(tau); acb_clear(z); _acb_vec_clear(g, 2); _acb_vec_clear(wp, len + 1); _acb_vec_clear(wp3, len); _acb_vec_clear(wpd, len); _acb_vec_clear(wpd2, len); } /* Consistency test */ for (iter = 0; iter < 5000; iter++) { acb_t tau, z; acb_ptr wp1, wp2; long prec1, prec2, len1, len2, i; len1 = n_randint(state, 15); len2 = n_randint(state, 15); prec1 = 2 + n_randint(state, 1000); prec2 = 2 + n_randint(state, 1000); acb_init(tau); acb_init(z); wp1 = _acb_vec_init(len1); wp2 = _acb_vec_init(len2); acb_randtest(tau, state, prec1, 10); acb_randtest(z, state, prec1, 10); acb_modular_elliptic_p_zpx(wp1, z, tau, len1, prec1); acb_modular_elliptic_p_zpx(wp2, z, tau, len2, prec2); for (i = 0; i < FLINT_MIN(len1, len2); i++) { if (!acb_overlaps(wp1 + i, wp2 + i)) { printf("FAIL (overlap)\n"); printf("i = %ld len1 = %ld len2 = %ld\n\n", i, len1, len2); printf("tau = "); acb_printd(tau, 15); printf("\n\n"); printf("z = "); acb_printd(z, 15); printf("\n\n"); printf("wp1 = "); acb_printd(wp1 + i, 15); printf("\n\n"); printf("wp2 = "); acb_printd(wp2 + i, 15); printf("\n\n"); abort(); } } acb_clear(tau); acb_clear(z); _acb_vec_clear(wp1, len1); _acb_vec_clear(wp2, len2); } flint_randclear(state); flint_cleanup(); printf("PASS\n"); return EXIT_SUCCESS; }